
Premium Parts to Suit Symons® Cone Crusher
Symons cone crusher has been a legend in mining and mining and aggregate processing industries since it's originally designed and developed by Symons brothers in 1920s, until now, there are tens of thousands of Symons cone crusher are still running in the world. The maximum efficiency which can be obtained from the crusher is directly dependent on the quality of the parts. Powerups has been specializing in manufacturing premium quality aftermarket wear and replacement parts since 1990s, providing more competitive parts and service worldwide than typical parts suppliers. In most of cases, we have the parts on shelf or castings in stock, which effectively shortens the lead time. We are able to supply premium quality wear parts and spare parts to cover all models of both Symons® standard cone crusher and shorthead cone crusher such as 2ft, 3ft, 4ft, 4 1/4ft, 5 1/2ft, 7ft heavy duty, 7ft extra heavy duty and 7ft super extra heavy duty. In addition, Powerups offers full line of quality parts aftermarket to cover Gyradisc® cone crusher, HP Series™ cone crusher, GP Series™ cone crusher, C Series™ jaw crusher, MP Series™ cone crusher, Omnicone Series® cone crusher , Hydrocone™ and Superior™ cone crusher components.
Symons 7FT Cone Crusher Parts Main Shaft 68867663 / 6886-7663
- Mainframe
- Mainframe liner
- Arm guard
- Mainframe seat liner
- Counterweight
- Eccentric gear
- Inner eccentric bushing
- Eccentric
- Outer eccentric bushing
- Step bearing plates
- Head
- Mainshaft
- Head wiper ring
- Water baffle
- Feed plate
- Feed distributor
- Mainshaft nut
- Locking collar
- Locking nut
- Locking nut cover
- Adjustment ring
- Spring
- Seals
- Spring bolt & nut
- Socket
- Spring & housing
- Socket sealing ring
- Socket liner
- Water chamber
- U-bolt assembly
- Mainshaft sleeve
- Torch ring
- Feed cone
- Bowl
- Duckworth lock post
- Feed hopper
- Hydraulic lock post
Model |
Part Number |
Description |
2ft |
1959-2997 |
Bowl liner bolt |
2ft |
2005-1176 |
Bowl |
2ft |
2005-1401 |
Bowl |
2ft |
2206-6641 |
Inner eccentric bushing |
2ft |
2281-4030 |
Adjustment cap |
2ft |
2302-1101 |
Main frame cap |
2ft |
2618-0961 |
Feed cone |
2ft |
3113-7351 |
Eccentric |
2ft |
3378-1436 |
Mainframe |
2ft |
3680-7001 |
Pinion |
2ft |
3680-8401 |
Eccentric gear |
2ft |
3806-0941 |
Arm guard |
2ft |
4245-7003 |
Head |
2ft |
4245-7004 |
Head |
2ft |
4537-5762 |
Countershaft box |
2ft |
4545-1381 |
Spring housing |
2ft |
4703-2415 |
Tapered key |
2ft |
4705-5910 |
Key |
2ft |
4709-3361 |
Socket sealing ring key |
2ft |
4829-1921 |
Bowl liner |
2ft |
4829-3001 |
Bowl liner |
2ft |
4829-3541 |
Bowl liner |
2ft |
4829-4081 |
Bowl liner |
2ft |
4829-4351 |
Bowl liner |
2ft |
4851-2681 |
Main frame liner |
2ft |
4872-2335 |
Socket liner |
2ft |
5013-1001 |
Mantle |
2ft |
5013-1401 |
Mantle |
2ft |
5434-7581 |
Main frame pin |
2ft |
5598-1221 |
Feed plate |
2ft |
5598-1781 |
Feed plate |
2ft |
6341-5501 |
Pinion thrust washer |
2ft |
6380-2381 |
Socket sealing ring |
2ft |
6391-0181 |
Torch ring |
2ft |
6482-0701 |
Spring segment |
2ft |
6863-2501 |
Countershaft |
2ft |
6886-1221 |
Main shaft |
2ft |
6886-1781 |
Main shaft |
2ft |
7058-7510 |
Step bearing shim |
2ft |
7058-7520 |
Step bearing shim |
2ft |
7058-7525 |
Step bearing shim |
2ft |
7320-1691 |
Main shaft sleeve |
2ft |
7320-2681 |
Main shaft sleeve |
2ft |
7381-1001 |
Socket |
2ft |
8607-7041 |
Torch ring |
3ft |
1603-1121 |
Feed hopper |
3ft |
1603-1781 |
Bowl hopper |
3ft |
1934-6050 |
Spring bolt |
3ft |
1970-5001 |
U-bolt |
3ft |
2005-2437 |
Bowl |
3ft |
2005-2576 |
Bowl |
3ft |
2206-0762 |
Countershaft bushing |
3ft |
2207-2561 |
Inner eccentric bushing |
3ft |
2207-1401 |
Inner eccentric bushing |
3ft |
2214-5321 |
Outer eccentric bushing |
3ft |
2281-4850 |
Adjustment cap |
3ft |
2618-1550 |
Feed cone |
3ft |
2618-2186 |
Feed cone |
3ft |
2747-5951 |
Locking nut cover |
3ft |
3041-2875 |
Feed distributor |
3ft |
3113-8401 |
Eccentric |
3ft |
3113-8751 |
Eccentric |
3ft |
3378-2727 |
Main frame |
3ft |
3680-7353 |
Pinion |
3ft |
3680-7703 |
Pinion |
3ft |
3680-8753 |
Eccentric gear |
3ft |
3680-9455 |
Eccentric gear |
3ft |
3806-4021 |
Arm guard |
3ft |
4246-3001 |
Head |
3ft |
4246-3002 |
Head |
3ft |
4246-3004 |
Head |
3ft |
4246-3005 |
Head |
3ft |
4573-6067 |
Countershaft box |
3ft |
4545-1786 |
Spring housing |
3ft |
4829-5161 |
Bowl liner |
3ft |
4829-5431 |
Bowl liner |
3ft |
4829-5701 |
Bowl liner |
3ft |
4829-6530 |
Bowl liner |
3ft |
4829-6544 |
Bowl liner |
3ft |
4829-7591 |
Bowl liner |
3ft |
4872-3565 |
Socket liner |
3ft |
4872-4795 |
Socket liner |
3ft |
5013-2201 |
Mantle |
3ft |
5013-2501 |
Mantle |
3ft |
5013-2801 |
Mantle |
3ft |
5013-3401 |
Mantle |
3ft |
5013-3801 |
Mantle |
3ft |
5168-4896 |
Main shaft nut |
3ft |
5434-7801 |
Pin |
3ft |
5434-9341 |
Pin |
3ft |
5598-2621 |
Feed plate |
3ft |
5598-3461 |
Feed plate |
3ft |
5683-1500 |
Locking key |
3ft |
5759-7801 |
Step bearing |
3ft |
5759-9350 |
Step bearing |
3ft |
5920-7751 |
Sheave |
3ft |
5921-4907 |
Sheave |
3ft |
6187-3900 |
Adjustment ring |
3ft |
6272-7401 |
Locking collar |
3ft |
6273-2501 |
Locking nut |
3ft |
6358-3921 |
Oil flinger |
3ft |
6358-7771 |
Oil flinger housing |
3ft |
6359-4701 |
Socket sealing ring |
3ft |
6380-5101 |
Socket sealing ring |
3ft |
6391-0181 |
Torch ring |
3ft |
6482-1961 |
Spring segment |
3ft |
6482-7301 |
Spring segment |
3ft |
6587-6610 |
Adjustment lock post |
3ft |
6863-3701 |
Countershaft |
3ft |
6886-2273 |
Main shaft |
3ft |
3886-3183 |
Main shaft |
3ft |
7058-7620 |
Shim |
3ft |
7058-7626 |
Shim |
3ft |
7058-7630 |
Shim |
3ft |
7292-5601 |
Head wear ring |
3ft |
7305-5396 |
Tapered bushing |
3ft |
7320-3201 |
Main shaft sleeve |
3ft |
9439-5046 |
Feed cone |
4ft |
1063-1877 |
Feed hopper |
4ft |
1063-1898 |
Feed hopper |
4ft |
1063-1903 |
Feed hopper |
4ft |
1063-2661 |
Bowl hopper |
4ft |
1063-2890 |
Bowl hopper |
4ft |
1970-0710 |
U-bolt |
4ft |
1970-1150 |
U-bolt |
4ft |
1970-3830 |
U-bolt |
4ft |
1970-3832 |
U-bolt |
4ft |
2005-3652 |
Bowl |
4ft |
2005-3653 |
Bowl |
4ft |
2005-3988 |
Bowl |
4ft |
2005-3989 |
Bowl |
4ft |
2005-4330 |
Bowl |
4ft |
2206-2090 |
Countershaft bushing |
4ft |
2214-4481 |
Inner eccentric bushing |
4ft |
2214-5601 |
Outer eccentric bushing |
4ft |
2281-5100 |
Adjustment cap |
4ft |
2281-5120 |
Adjustment cap |
4ft |
2281-6515 |
Adjustment cap |
4ft |
2618-2246 |
Feed cone |
4ft |
2618-3190 |
Feed cone |
4ft |
2618-3226 |
Feed cone |
4ft |
2618-3232 |
Feed cone |
4ft |
3378-2995 |
Main frame |
4ft |
3680-4204 |
Eccentric gear |
4ft |
3680-4903 |
Pinion gear |
4ft |
3680-4905 |
Pinion gear |
4ft |
3806-4055 |
Arm guard |
4ft |
3806-4092 |
Countershaft box guard |
4ft |
3806-4581 |
Arm guard |
4ft |
4246-5994 |
Head |
4ft |
4246-5997 |
Head |
4ft |
4246-6003 |
Head |
4ft |
4537-6128 |
Countershaft box |
4ft |
4545-2731 |
Spring housing |
4ft |
4703-4295 |
Key |
4ft |
47037585 |
Key |
4ft |
4829-8540 |
Bowl liner |
4ft |
4829-8545 |
Bowl liner |
4ft |
4829-8603 |
Bowl liner |
4ft |
4829-8671 |
Bowl liner |
4ft |
4830-0023 |
Bowl liner |
4ft |
4830-0158 |
Bowl liner |
4ft |
4830-0291 |
Bowl liner |
4ft |
4830-0350 |
Bowl liner |
4ft |
4830-1101 |
Bowl liner |
4ft |
4830-1151 |
Bowl liner |
4ft |
4851-5001 |
Main frame liner |
4ft |
4851-5100 |
Main frame liner |
4ft |
4872-5205 |
Socket liner |
4ft |
5013-4101 |
Mantle |
4ft |
5013-4201 |
Mantle |
4ft |
5013-4300 |
Mantle |
4ft |
5013-4801 |
Mantle |
4ft |
5168-5701 |
Main shaft nut |
4ft |
6187-5200 |
Adjustment ring |
4ft |
6342-3501 |
Pinion thrust washer |
4ft |
6358-5160 |
Oil flinger |
4ft |
6358-8156 |
Oil flinger housing |
4ft |
6360-1743 |
Socket sealing ring |
4ft |
6360-5261 |
Baffle ring |
4ft |
6391-3321 |
Torch ring |
4ft |
6482-1725 |
Spring segment |
4ft |
6587-7025 |
Lock post |
4ft |
6875-0416 |
Countershaft |
4ft |
6686-4304 |
Main shaft |
4ft |
7058-7706 |
Shim |
4ft |
7058-7711 |
Shim |
4ft |
7058-7713 |
Shim |
4ft |
7292-5650 |
Head wear ring |
4ft |
7320-4200 |
Main shaft sleeve |
4ft |
7320-4201 |
Main shaft sleeve |
4ft |
7320-4331 |
Main shaft sleeve |
4ft |
7381-4603 |
Socket |
4ft |
9439-6020 |
Feed cone assembly |
4ft |
9439-6027 |
Feed cone assembly |
4ft |
9439-6029 |
Feed cone assembly |
4ft |
9439-6521 |
Feed cone assembly |
4ft |
9439-6690 |
Hydraulic lock post |
4ft |
9439-7091 |
Hydraulic adjustment ram |
4 1/4ft |
1028-6361 |
Feed hopper |
4 1/4ft |
1063-1886 |
Bowl hopper |
4 1/4ft |
1063-2890 |
Bowl hopper |
4 1/4ft |
1936-7960 |
Spring bolt |
4 1/4ft |
1970-0710 |
U-bolt |
4 1/4ft |
1970-1150 |
U-bolt |
4 1/4ft |
1970-3830 |
U-bolt |
4 1/4ft |
1970-3832 |
U-bolt |
4 1/4ft |
1970-5821 |
U-bolt |
4 1/4ft |
2005-4776 |
Bowl |
4 1/4ft |
2005-4778 |
Bowl |
4 1/4ft |
2005-5006 |
Bowl |
4 1/4ft |
2206-2090 |
Countershaft bushing |
4 1/4ft |
2214-3930 |
Inner eccentric bushing |
4 1/4ft |
2214-5885 |
Outer eccentric bushing |
4 1/4ft |
2281-6291 |
Adjustment cap |
4 1/4ft |
2618-3190 |
Feed cone |
4 1/4ft |
2618-3201 |
Feed cone |
4 1/4ft |
2618-3221 |
Feed cone |
4 1/4ft |
3114-1201 |
Eccentric |
4 1/4ft |
3680-5608 |
Eccentric gear |
4 1/4ft |
3806-4092 |
Countershaft box guard |
4 1/4ft |
4246-9002 |
Head |
4 1/4ft |
4404-9932 |
Head |
4 1/4ft |
4537-6128 |
Countershaft box |
4 1/4ft |
4636-6064 |
Clearing jack |
4 1/4ft |
4545-2731 |
Spring housing |
4 1/4ft |
4701-0175 |
Key |
4 1/4ft |
4701-5660 |
Key |
4 1/4ft |
4703-4295 |
Key |
4 1/4ft |
4703-7585 |
Key |
4 1/4ft |
4830-1826 |
Bowl liner |
4 1/4ft |
4830-2957 |
Bowl liner |
4 1/4ft |
4830-2958 |
Bowl liner |
4 1/4ft |
4830-4341 |
Bowl liner |
4 1/4ft |
4830-4612 |
Bowl liner |
4 1/4ft |
4851-6186 |
Main frame liner |
4 1/4ft |
4872-6340 |
Socket liner |
4 1/4ft |
5013-4451 |
Mantle |
4 1/4ft |
5013-6001 |
Mantle |
4 1/4ft |
5168-5161 |
Main shaft nut |
4 1/4ft |
5435-0001 |
Main frame pin |
4 1/4ft |
5598-4161 |
Feed plate |
4 1/4ft |
5598-4581 |
Feed plate |
4 1/4ft |
5598-5701 |
Feed plate |
4 1/4ft |
5683-2175 |
Locking key |
4 1/4ft |
5760-2301 |
Upper step bearing plate |
4 1/4ft |
5760-2601 |
Lower step bearing plate |
4 1/4ft |
5885-0065 |
Bowl lock post |
4 1/4ft |
5923-9208 |
Crusher sheave |
4 1/4ft |
6187-5589 |
Adjustment ring |
4 1/4ft |
6187-5590 |
Adjustment ring |
4 1/4ft |
6342-3501 |
Pinion thrust washer |
4 1/4ft |
6358-5160 |
Oil flinger |
4 1/4ft |
6358-8156 |
Flinger housing |
4 1/4ft |
6360-4161 |
Socket sealing ring |
4 1/4ft |
6360-4163 |
Socket sealing ring |
4 1/4ft |
6360-1210 |
Socket sealing ring |
4 1/4ft |
6360-4601 |
Head seal ring |
4 1/4ft |
6391-3321 |
Torch ring |
4 1/4ft |
6482-2351 |
Lower spring segment |
4 1/4ft |
6482-2352 |
Lower spring segment |
4 1/4ft |
6482-7961 |
Upper spring segment |
4 1/4ft |
6482-7963 |
Upper spring segment |
4 1/4ft |
6587-7025 |
Adjustment lock post |
4 1/4ft |
6875-0416 |
Countershaft |
4 1/4ft |
6875-0681 |
Countershaft |
4 1/4ft |
6886-5196 |
Main shaft |
4 1/4ft |
6886-4350 |
Main shaft |
4 1/4ft |
7058-8501 |
Shim |
4 1/4ft |
7058-8751 |
Shim |
4 1/4ft |
7058-8505 |
Shim |
4 1/4ft |
7320-4202 |
Main shaft sleeve |
4 1/4ft |
7320-4331 |
Main shaft sleeve |
4 1/4ft |
7381-7004 |
Socket |
4 1/4ft |
7381-7012 |
Socket |
4 1/4ft |
7381-7016 |
Socket |
4 1/4ft |
9439-6522 |
Feed cone |
4 1/4ft |
9439-6690 |
Hydraulic lock post |
4 1/4ft |
9439-7012 |
Feed cone |
4 1/4ft |
9439-7014 |
Feed cone |
5 1/2ft |
1063-4791 |
Feed hopper |
5 1/2ft |
1063-4826 |
Feed hopper |
5 1/2ft |
1063-5550 |
Bowl hopper |
5 1/2ft |
1063-6121 |
Bowl hopper |
5 1/2ft |
1940-3500 |
Spring bolt |
5 1/2ft |
1940-3584 |
Spring bolt |
5 1/2ft |
1970-7040 |
U-bolt |
5 1/2ft |
1970-7871 |
U-bolt |
5 1/2ft |
2005-5791 |
Bowl |
5 1/2ft |
2005-5792 |
Bowl |
5 1/2ft |
2005-7026 |
Bowl |
5 1/2ft |
2005-7027 |
Bowl |
5 1/2ft |
2206-5840 |
Countershaft housing |
5 1/2ft |
2213-4800 |
Bushing |
5 1/2ft |
2214-5706 |
Inner eccentric bushing |
5 1/2ft |
2214-6161 |
Outer eccentric bushing |
5 1/2ft |
2281-7691 |
Adjustment cap |
5 1/2ft |
2281-7701 |
Adjustment cap |
5 1/2ft |
2281-7963 |
Adjustment cap |
5 1/2ft |
2618-5761 |
Feed cone |
5 1/2ft |
2618-6001 |
Feed cone |
5 1/2ft |
2618-6142 |
Feed cone |
5 1/2ft |
2748-2476 |
Locking nut cover |
5 1/2ft |
3041-7755 |
Feed distributor |
5 1/2ft |
3114-2863 |
Eccentric |
5 1/2ft |
3378-5157 |
Main frame |
5 1/2ft |
3682-9752 |
Pinion gear |
5 1/2ft |
3683-0807 |
Eccentric gear |
5 1/2ft |
3806-7381 |
Arm guard |
5 1/2ft |
3806-8501 |
Countershaft box guard |
5 1/2ft |
4247-2035 |
Head |
5 1/2ft |
4247-2040 |
Head |
5 1/2ft |
4247-2041 |
Head |
5 1/2ft |
4537-6723 |
Countershaft box |
5 1/2ft |
4545-4621 |
Spring housing |
5 1/2ft |
4700-8121 |
Key |
5 1/2ft |
4700-8625 |
Key |
5 1/2ft |
4701-2821 |
Key |
5 1/2ft |
4701-5655 |
Key |
5 1/2ft |
4703-4295 |
Key |
5 1/2ft |
4703-8525 |
Key |
5 1/2ft |
4830-6501 |
Bowl liner |
5 1/2ft |
4830-6638 |
Bowl liner |
5 1/2ft |
4830-6771 |
Bowl liner |
5 1/2ft |
4830-6871 |
Bowl liner |
5 1/2ft |
4851-6306 |
Main frame liner |
5 1/2ft |
4851-7321 |
Main frame liner |
5 1/2ft |
5013-6801 |
Main shaft sleeve |
5 1/2ft |
5013-7001 |
Mantle |
5 1/2ft |
5149-2502 |
Spring bolt nut |
5 1/2ft |
5168-6781 |
Main shaft nut |
5 1/2ft |
5425-9655 |
Pin |
5 1/2ft |
5426-8435 |
Pin |
5 1/2ft |
5433-3421 |
Pin |
5 1/2ft |
5434-4850 |
Pin |
5 1/2ft |
5435-2100 |
Main frame pin |
5 1/2ft |
5598-6261 |
Feed plate |
5 1/2ft |
5598-7101 |
Feed plate |
5 1/2ft |
5683-1725 |
Locking key |
5 1/2ft |
5760-3501 |
Lower step bearing plate |
5 1/2ft |
5760-5011 |
Upper step bearing plate |
5 1/2ft |
5885-0019 |
Lock post |
5 1/2ft |
5923-9126 |
Crusher sheave |
5 1/2ft |
5923-9206 |
Crusher sheave |
5 1/2ft |
6187-6302 |
Adjustment ring |
5 1/2ft |
6187-6303 |
Adjustment ring |
5 1/2ft |
6358-5940 |
Oil flinger |
5 1/2ft |
6358-9201 |
Oil flinger |
5 1/2ft |
6360-9010 |
Oil retainer ring |
5 1/2ft |
6961-2302 |
Baffle ring |
5 1/2ft |
6380-6801 |
Socket sealing ring |
5 1/2ft |
6482-6551 |
Lower spring segment |
5 1/2ft |
6875-3762 |
Countershaft |
5 1/2ft |
6886-5800 |
Main shaft |
5 1/2ft |
6886-6286 |
Main shaft |
5 1/2ft |
7058-8876 |
Shim |
5 1/2ft |
7058-8880 |
Shim |
5 1/2ft |
7058-9001 |
Shim |
5 1/2ft |
7320-4661 |
Torch ring |
5 1/2ft |
7381-7206 |
Socket |
5 1/2ft |
9439-8025 |
Floating feed cone |
5 1/2ft |
9439-8026 |
Floating feed cone |
5 1/2ft |
9439-8078 |
Ram |
5 1/2ft |
9439-8080 |
Bowl lock |
5 1/2ft |
9439-8257 |
Hydraulic lock post |
5 1/2ft |
2005-6280 |
Bowl |
5 1/2ft |
2005-6282 |
Bowl |
5 1/2ft |
2281-7691 |
Adjustment cap |
5 1/2ft |
2281-7701 |
Adjustment cap |
5 1/2ft |
2281-7963 |
Adjustment cap |
5 1/2ft |
2681-5521 |
Feed cone |
5 1/2ft |
4247-2039 |
Head |
5 1/2ft |
4247-2042 |
Head |
5 1/2ft |
4830-5415 |
Bowl liner |
5 1/2ft |
4830-5421 |
Bowl liner |
5 1/2ft |
4830-5556 |
Bowl liner |
5 1/2ft |
4830-6331 |
Bowl liner |
5 1/2ft |
5013-7401 |
Mantle |
5 1/2ft |
5013-7601 |
Mantle |
5 1/2ft |
6391-8355 |
Adjustment cap |
5 1/2ft |
7320-6600 |
Main shaft sleeve |
5 1/2ft |
9439-8035 |
Floating feed cone |
7ft |
1063-6471 |
Feed hopper |
7ft |
1063-8781 |
Bowl hopper |
7ft |
1970-7871 |
U-bolt |
7ft |
2005-8831 |
Bowl |
7ft |
2005-9361 |
Bowl |
7ft |
2206-8500 |
Countershaft bushing |
7ft |
2214-0636 |
Bushing |
7ft |
2214-6721 |
Inner eccentric bushing |
7ft |
2214-7561 |
Outer eccentric bushing |
7ft |
2281-8910 |
Adjustment cap |
7ft |
2281-8970 |
Adjustment cap |
7ft |
2302-7027 |
Main frame cap |
7ft |
2470-9500 |
Countershaft box guard |
7ft |
2618-8161 |
Feed cone |
7ft |
2618-8221 |
Feed cone |
7ft |
2748-4501 |
Locking nut cover |
7ft |
3014-8357 |
Feed distributor |
7ft |
3114-4262 |
Eccentric |
7ft |
3682-7652 |
Pinion gear |
7ft |
3682-9230 |
Eccentric gear |
7ft |
3806-9061 |
Countershaft box guard |
7ft |
3806-9502 |
Arm guard |
7ft |
4247-5200 |
Head |
7ft |
4537-7927 |
Countershaft box |
7ft |
4545-6511 |
Spring housing |
7ft |
4700-8651 |
Key |
7ft |
4701-2845 |
Key |
7ft |
4701-5680 |
Key |
7ft |
4703-8995 |
Key |
7ft |
4705-7175 |
Key |
7ft |
4705-7303 |
Key |
7ft |
4830-7378 |
Bowl liner |
7ft |
4830-7379 |
Bowl liner |
7ft |
4830-7581 |
Bowl liner |
7ft |
4830-7583 |
Bowl liner |
7ft |
4830-8400 |
Bowl liner |
7ft |
4830-8494 |
Bowl liner |
7ft |
4851-9281 |
Main frame liner |
7ft |
4851-9410 |
Seat liner |
7ft |
4851-9501 |
Main frame liner |
7ft |
4872-8520 |
Socket liner |
7ft |
5013-9001 |
Mantle |
7ft |
5013-9203 |
Mantle |
7ft |
5013-9268 |
Mantle |
7ft |
5013-9276 |
Mantle |
7ft |
5426-9100 |
Main frame pin |
7ft |
5434-4970 |
Pin |
7ft |
5435-2751 |
Main frame pin |
7ft |
5598-8781 |
Feed plate |
7ft |
5760-7401 |
Lower step bearing plate |
7ft |
5760-8650 |
Upper step bearing plate |
7ft |
5885-0017 |
Bowl lock post |
7ft |
5885-0018 |
Lock post |
7ft |
5923-2260 |
Sheave |
7ft |
5923-9232 |
Sheave |
7ft |
5923-9262 |
Sheave |
7ft |
6187-9501 |
Adjustment ring |
7ft |
6187-9500 |
Adjustment ring |
7ft |
6273-1601 |
Locking collar |
7ft |
6273-7151 |
Locking nut |
7ft |
6291-2500 |
Wear ring |
7ft |
6342-5501 |
Pinion thrust washer |
7ft |
6358-7662 |
Oil flinger |
7ft |
6358-9421 |
Oil flinger housing |
7ft |
6361-7151 |
Baffle ring |
7ft |
6380-9190 |
Socket sealing ring |
7ft |
6466-9810 |
Seat liner segment |
7ft |
6482-6311 |
Lower spring segment |
7ft |
6876-1342 |
Countershaft |
7ft |
6886-7889 |
Main shaft |
7ft |
7058-9802 |
Step bearing shim |
7ft |
7058-9805 |
Step bearing shim |
7ft |
7292-7601 |
Head wear ring |
7ft |
7303-9875 |
Bushing |
7ft |
7305-1925 |
Sleeve |
7ft |
7381-9576 |
Socket |
7ft |
8030-2725 |
Step bearing plate |
7ft |
8642-8350 |
counterweight |
7ft |
9439-9018 |
Floating feed cone |
7ft |
9439-9019 |
Floating feed cone |
7ft |
9439-9142 |
Bowl adjustment ram |
7ft |
9439-9358 |
Lock post assembly |
7ft |
9450-4418 |
Clearing jack assembly |
7ft |
1063-7927 |
Feed hopper |
7ft |
1063-8781 |
Bowl hopper |
7ft |
1970-0710 |
U-bolt |
7ft |
2005-8833 |
Bowl |
7ft |
2005-9335 |
Bowl |
7ft |
2005-9345 |
Bowl |
7ft |
2206-8500 |
Countershaft bushing |
7ft |
2214-0636 |
Bushing |
7ft |
2214-6721 |
Inner eccentric bushing |
7ft |
2214-7564 |
Outer eccentric bushing |
7ft |
2281-8977 |
Adjustment cap |
7ft |
2618-8221 |
Feed cone |
7ft |
3114-4262 |
Eccentric |
7ft |
3378-9519 |
Main frame |
7ft |
3378-9526 |
Main frame |
7ft |
3682-7652 |
Pinion |
7ft |
3682-9237 |
Eccentric gear |
7ft |
3806-9061 |
Countershaft box guard |
7ft |
3806-9502 |
Arm guard |
7ft |
4537-7927 |
Countershaft box |
7ft |
4700-8650 |
Key |
7ft |
4701-2845 |
Key |
7ft |
4701-5680 |
Key |
7ft |
4705-7175 |
Socket |
7ft |
4705-7303 |
Key |
7ft |
4851-9282 |
Main frame liner |
7ft |
4851-9401 |
Seat liner |
7ft |
4851-9501 |
Main frame liner |
7ft |
4872-8520 |
Socket liner |
7ft |
5168-7386 |
Main shaft nut |
7ft |
5426-7175 |
Pin |
7ft |
5426-9100 |
Main frame pin |
7ft |
5923-9360 |
Sheave |
7ft |
6187-9512 |
Adjustment ring |
7ft |
6319-2500 |
Wear ring |
7ft |
6342-5501 |
Pinion thrust washer |
7ft |
6358-7662 |
Oil flinger |
7ft |
6358-9421 |
Flinger housing |
7ft |
6361-7351 |
Baffle ring |
7ft |
6391-5481 |
Torch ring |
7ft |
6466-9810 |
Seat liner segment |
7ft |
6482-6311 |
Lower spring segment |
7ft |
6876-1325 |
Countershaft |
7ft |
6886-8541 |
Main shaft |
7ft |
7303-9875 |
Bushing |
7ft |
7320-8350 |
Main shaft sleeve |
7ft |
7381-9583 |
Socket |
7ft |
8642-8850 |
Counterweight |
7ft |
9439-9018 |
Floating feed cone |
7ft |
9439-9019 |
Floating feed cone |
7ft |
9439-9193 |
Hydraulic lock post |
7ft |
9439-9752 |
Bowl adjustment ram |
7ft |
9450-4418 |
Clearing jack |
7ft |
1063-6375 |
Feed hopper |
7ft |
1063-6471 |
Feed hopper |
7ft |
1063-8184 |
Bowl hopper |
7ft |
1063-8501 |
Bowl hopper |
7ft |
2005-8605 |
Bowl |
7ft |
2005-9276 |
Bowl |
7ft |
2005-9359 |
Bowl |
7ft |
2005-9385 |
Bowl |
7ft |
2206-8500 |
Countershaft bushing |
7ft |
2214-0636 |
Bushing |
7ft |
2214-6721 |
Inner eccentric bushing |
7ft |
2214-7561 |
Outer eccentric bushing |
7ft |
2281-8910 |
Adjustment cap |
7ft |
2281-8915 |
Adjustment cap |
7ft |
2281-8945 |
Adjustment cap |
7ft |
2281-8950 |
Adjustment cap |
7ft |
2618-7681 |
Feed cone |
7ft |
2618-7921 |
Feed cone |
7ft |
2618-8161 |
Feed cone |
7ft |
2618-8221 |
Feed cone |
7ft |
2748-4501 |
Locking nut cover |
7ft |
3041-8357 |
Feed distributor |
7ft |
3114-4262 |
Eccentric |
7ft |
3378-6711 |
Main frame |
7ft |
3682-7652 |
Pinion |
7ft |
3682-9233 |
Gear |
7ft |
3682-9229 |
Gear |
7ft |
3800-7665 |
Guard |
7ft |
3800-7670 |
Guard |
7ft |
3806-8781 |
Arm guard |
7ft |
3806-9061 |
Countershaft box guard |
7ft |
4247-5045 |
Head |
7ft |
4247-5049 |
Head |
7ft |
4247-5097 |
Head |
7ft |
4247-5139 |
Head |
7ft |
4537-7443 |
Countershaft box |
7ft |
4545-6511 |
Spring housing |
7ft |
4700-8650 |
Key |
7ft |
4700-8651 |
Key |
7ft |
4701-2845 |
Key |
7ft |
4701-5680 |
Key |
7ft |
4703-4295 |
Key |
7ft |
4703-8995 |
Key |
7ft |
4705-7157 |
Key |
7ft |
4830-7378 |
Bowl liner |
7ft |
4830-7379 |
Bowl liner |
7ft |
4830-7581 |
Bowl liner |
7ft |
4830-7583 |
Bowl liner |
7ft |
4830-8400 |
Bowl liner |
7ft |
4830-8494 |
Bowl liner |
7ft |
4830-8556 |
Bowl liner |
7ft |
4830-8846 |
Bowl liner |
7ft |
4830-9472 |
Bowl liner |
7ft |
4830-8068 |
Bowl liner |
7ft |
4851-7611 |
Main frame liner |
7ft |
4851-8481 |
Main frame liner |
7ft |
4851-9320 |
Seat liner |
7ft |
4851-9455 |
Seat liner |
7ft |
4872-8485 |
Socket liner |
7ft |
4872-8520 |
Socket liner |
7ft |
4952-0001 |
Bowl lock |
7ft |
5013-8101 |
Upper mantle |
7ft |
5013-8201 |
Upper mantle |
7ft |
5013-8401 |
Lower mantle |
7ft |
5013-8601 |
Lower mantle |
7ft |
5013-8801 |
Lower mantle |
7ft |
5013-8901 |
Lower mantle |
7ft |
5013-9001 |
Mantle |
7ft |
5013-9203 |
Mantle |
7ft |
5013-9268 |
Mantle |
7ft |
5013-9276 |
Mantle |
7ft |
5168-8131 |
Main shaft nut |
7ft |
5434-0321 |
Socket dowel |
7ft |
5434-6481 |
Locking key |
7ft |
5598-7491 |
Feed plate |
7ft |
5598-8781 |
Feed plate |
7ft |
5760-7401 |
Lower step bearing plate |
7ft |
5760-8650 |
Upper step bearing plate |
7ft |
5923-9318 |
Sheave |
7ft |
5923-9319 |
Sheave |
7ft |
6187-7951 |
Adjustment ring |
7ft |
6187-7952 |
Adjustment ring |
7ft |
6237-1601 |
Locking collar |
7ft |
6273-8201 |
Locking nut |
7ft |
6358-7662 |
Oil flinger |
7ft |
6358-9421 |
Flinger housing |
7ft |
6361-7351 |
Baffle ring |
7ft |
6386-8161 |
Socket sealing ring |
7ft |
6380-9190 |
Socket sealing ring |
7ft |
6391-5481 |
Torch ring |
7ft |
6466-9667 |
Seat liner |
7ft |
6482-5651 |
Spring segment |
7ft |
6876-1324 |
Countershaft |
7ft |
6886-7662 |
Main shaft |
7ft |
6886-7663 |
Main shaft |
7ft |
6886-7877 |
Main shaft |
7ft |
6886-7943 |
Main shaft |
7ft |
7058-9790 |
Shim |
7ft |
7058-9802 |
Shim |
7ft |
7058-9805 |
Shim |
7ft |
7292-7601 |
Head wear ring |
7ft |
7303-9875 |
Bushing |
7ft |
7320-8011 |
Main shaft sleeve |
7ft |
7381-9005 |
Socket |
7ft |
7381-9007 |
Socket |
7ft |
7381-9576 |
Socket |
7ft |
7381-9583 |
Socket |
7ft |
8642-8301 |
Counterweight |
7ft |
8642-8350 |
Counterweight |
Guaranteed to fit, perform and long wear life |

Shenyang Powerups Machinery Co., Ltd, located in Shenyang of northern China, is a global provider of process solutions for a variety of industries including mineral processing, aggregate processing, coal mining, etc. It is a manufacturing company of machinery and parts specially for mineral and aggregate processing.
Shenyang Powerups Machinery Co., Ltd is committed to designing, manufacturing and maintaining cone crusher, jaw crusher, impact crusher, feeder, screen and washing equipment, and it's also a great resource of premium replacement parts to fit HP Series™ cone crusher, GP Series™ cone crusher, MP Series™ cone crusher, C Series™ jaw crusher, Symons® cone crusher, Gyradisc® cone crusher, Omnicone® cone crusher, CH/CS cone crusher, etc. Powerups has large stock of parts for the leading models of crushers to meet the specific needs of each customer.
Powerups upholds the highest standards for engineering and manufacturing to incorporate all the advanced technology in the designs of our crushers, feeders, screens, washers, etc. In addition, it is able to design and manufacture complete crushing plant, portable crushing plant. Besides, the company operates with its own highly qualified management team to continuously improve the quality of casting, machining process, parts inspection in order to provide long wear life.
POWERUPS' process equipment and systems are proven in mining operation, with installation in over 20 countries around the world including United States of America, Canada, Chile, Peru, Colombia, Mexico, Greece, Russia, Turkey, Australia, New Zealand, Saudi Arabia, Thailand, Indonesia, Cambodia, Malaysia, Vietnam, etc. Powerups is ideally positioned to deliver high quality and competitive solutions to projects anywhere in the world.
Our Mission: Let's Make Things Better
Introduction to Symons 7FT Cone Crusher
The Symons 7FT cone crusher is a secondary and tertiary crushing machine designed for processing hard and abrasive materials. As a spring-type cone crusher, it features robust construction and reliable performance in various mining and quarrying applications.
Major Components and Their Functions
- Main Frame: The heavy-duty cast steel frame provides structural integrity and supports all other components. The 7FT model's frame is specifically designed to handle larger feed sizes and higher capacities.
- Eccentric Assembly: This critical component converts rotational motion into gyratory motion. The bronze eccentric bushing and steel eccentric work together to create the crushing action.
- Crushing Chamber: Comprising the mantle and concave, these manganese steel parts directly interact with the material. The 7FT crusher typically uses coarse, medium, or fine liner configurations depending on application requirements.
- Countershaft Assembly: The gear-driven countershaft transmits power from the motor to the eccentric. Proper lubrication is crucial for its longevity.
- Hydraulic System: Modern 7FT crushers incorporate hydraulic systems for adjustment and tramp iron protection, significantly improving operational safety and efficiency.
- Dust Seal: The labyrinth seal and grease system prevent dust ingress while allowing necessary movement.
Maintenance Considerations
- Regular inspection of wear parts (mantle, concave, bushings)
- Proper lubrication of all moving components
- Monitoring of hydraulic system pressure
- Periodic adjustment of the crushing gap
- Inspection of drive belts and tension
Advantages of Genuine Symons Parts
Using OEM Symons 7FT parts ensures:
- Precise dimensional compatibility
- Optimal material composition
- Consistent performance
- Extended service life
- Manufacturer warranty coverage
Conclusion
Understanding the components and maintenance requirements of Symons 7FT cone crusher parts is essential for maximizing crusher performance and minimizing downtime. Proper part selection and preventative maintenance can significantly impact overall operational costs and productivity in crushing applications.
Symons 7FT Cone Crusher Parts: An In - Depth Look
Introduction
In the realm of mining and aggregate processing, the Symons 7FT cone crusher stands as a workhorse. Its ability to efficiently break down large rocks into smaller, more manageable sizes is crucial for various industries. At the heart of this machine's functionality are its parts, each playing a distinct and vital role. Understanding these parts is essential for operators, maintenance crews, and those in the market for replacement components. This article delves deep into the Symons 7FT cone crusher parts, exploring their functions, common types, and the importance of proper selection and maintenance.
Key Components of the Symons 7FT Cone Crusher
1. Eccentric Bushing Assembly
The eccentric bushing assembly is a fundamental part of the Symons 7FT cone crusher. It consists of an outer eccentric bushing (such as part number 2214 - 7561) and an inner eccentric bushing (e.g., 2214 - 6721). The outer eccentric bushing, weighing around 485 units (the unit could be kilograms depending on the context), is designed to house and support the inner eccentric bushing. The inner eccentric bushing, with a weight of approximately 335 units, plays a key role in generating the eccentric motion that is characteristic of cone crushers.
This eccentric motion is what causes the cone crusher's mantle to gyrate within the bowl liner. As the eccentric bushing rotates, it imparts a circular - like motion to the mantle, creating a variable gap between the mantle and the bowl liner. This variable gap is essential for the crushing process as it allows the material to be squeezed and broken down in a continuous and efficient manner. The proper functioning of the eccentric bushing assembly is crucial for maintaining the correct gyrating motion of the mantle. If there is excessive wear or misalignment in the eccentric bushings, it can lead to uneven crushing, reduced efficiency, and potential damage to other parts of the crusher.
2. Bowl Liner
The bowl liner is one of the most critical wear parts in the Symons 7FT cone crusher. There are several different bowl liner part numbers, such as 4830 - 8556, 4830 - 9100, 4830 - 9472, and 4830 - 9741, among others. Bowl liners can vary significantly in weight, with some weighing as much as 3818 units (e.g., 4830 - 9100 hd bowl liner).
The bowl liner forms the stationary outer surface of the crushing chamber. As the mantle gyrates within the bowl liner, the material being crushed is forced against the bowl liner's surface. The bowl liner is designed to withstand the high - impact forces generated during the crushing process. It is typically made of high - manganese steel or other wear - resistant alloys. High - manganese steel is preferred due to its ability to work - harden under the impact of the crushing material. As the surface of the bowl liner is continuously bombarded by rocks, the steel hardens, increasing its wear resistance.
Over time, due to the abrasive nature of the crushing process, the bowl liner will wear down. When the wear reaches a certain level, the performance of the crusher will be affected. The crushing efficiency may decrease, and the quality of the crushed product may deteriorate. Regular inspection of the bowl liner's wear condition is essential, and timely replacement is necessary to ensure optimal crusher performance.
3. Mantle
The mantle is another crucial wear part in the Symons 7FT cone crusher. Part numbers like 5013 - 8101 (upper mantle), 5013 - 8201 (upper mantle), 5013 - 8601 (lower mantle), and 5013 - 8801 (mantle) represent different variations of the mantle. The mantle is attached to the main shaft and rotates eccentrically within the bowl liner.
It works in tandem with the bowl liner to crush the material. As the mantle moves closer to the bowl liner, the material between them is subjected to intense pressure, causing it to break. The design of the mantle's surface is carefully engineered to ensure efficient crushing. Some mantles may have a specific profile or texture to enhance the crushing action. Similar to the bowl liner, the mantle is made of wear - resistant materials, often high - manganese steel.
The wear pattern on the mantle is different from that of the bowl liner. The areas of the mantle that are in closer proximity to the bowl liner during the gyrating motion tend to wear more quickly. Monitoring the wear of the mantle is important as an unevenly worn mantle can lead to inefficient crushing and increased stress on other parts of the crusher.
4. Main Shaft
The main shaft (e.g., part numbers 6886 - 7804, 6886 - 7662, 6886 - 7943) is a major structural component of the Symons 7FT cone crusher. It can be quite heavy, with some versions weighing around 2815 units or even more (such as 6886 - 7943 main shaft with a weight of 3082 units).
The main shaft provides the support and rotational drive for the mantle. It is connected to the eccentric bushing assembly and rotates along with it. The main shaft must be made of high - strength steel to withstand the significant forces and torque generated during the crusher's operation. Any defect or excessive wear in the main shaft can lead to catastrophic failure of the crusher. Regular inspection of the main shaft for signs of cracks, wear, or misalignment is essential.
In addition to providing mechanical support, the main shaft also plays a role in transmitting power from the drive system to the mantle. A well - maintained main shaft ensures smooth and efficient operation of the crusher, while a damaged or worn - out main shaft can cause vibrations, reduced performance, and potential downtime.
5. Countershaft and Associated Parts
The countershaft assembly is an important part of the Symons 7FT cone crusher's drive train. The countershaft (e.g., part number 6876 - 1324) is supported by countershaft box bushings (such as 2206 - 8500) and rotates along with the pinion (e.g., 3682 - 7652).
The countershaft is responsible for transmitting power from the motor to the main shaft through a series of gears. The pinion, which is mounted on the countershaft, meshes with the large gear on the eccentric bushing assembly. As the motor rotates the countershaft, the pinion drives the large gear, causing the eccentric bushing assembly to rotate.
The countershaft box bushings are designed to reduce friction and wear between the countershaft and its housing. They are typically made of bronze or other low - friction materials. Proper lubrication of these bushings is crucial for their longevity and the smooth operation of the countershaft. If the bushings wear out, it can lead to increased friction, overheating, and potential damage to the countershaft and other associated parts.
6. Feed - Related Parts
- Feed Cone: The feed cone (e.g., part numbers 2618 - 7681, 2618 - 8161) is responsible for guiding the material into the crushing chamber. It has a specific shape that helps to distribute the incoming material evenly around the mantle. The feed cone is designed to handle the flow of large rocks and direct them towards the crushing zone. If the feed cone is damaged or worn, it can cause uneven feeding of the material, leading to inefficient crushing and potential blockages in the crushing chamber.
- Feed Plate: There are different types of feed plates, such as the 5598 - 7941 feed plate - 6 bolt and 5598 - 8154 feed plate - 4 bolt. The feed plate is located at the entrance of the crushing chamber and helps to control the rate and direction of the material entering the crusher. It also protects the crusher's housing from direct impact by the incoming rocks. A well - designed feed plate can improve the overall efficiency of the crusher by ensuring a consistent and proper flow of material.
Importance of Quality Parts and Maintenance
1. Performance Optimization
Using high - quality Symons 7FT cone crusher parts is essential for achieving optimal performance. When all parts are in good condition and properly matched, the crusher can operate at its designed capacity. For example, a well - worn bowl liner and mantle that are still of high quality will provide a consistent and efficient crushing action, resulting in a higher output of properly sized aggregate. In contrast, using sub - standard or worn - out parts can lead to reduced crushing efficiency, lower throughput, and a higher percentage of over - sized or undersized product.
2. Extended Equipment Lifespan
Regular maintenance and the use of quality replacement parts can significantly extend the lifespan of the Symons 7FT cone crusher. By promptly replacing worn - out parts such as bushings, liners, and bearings, operators can prevent further damage to other components. For instance, if a worn - out countershaft box bushing is not replaced, it can cause excessive wear on the countershaft and eventually lead to failure of the entire drive train. Proper maintenance also includes regular lubrication of moving parts, which reduces friction and wear, thereby increasing the overall lifespan of the crusher.
3. Safety Considerations
Faulty or worn - out parts can pose a significant safety risk in a cone crusher operation. For example, a cracked main shaft could potentially break during operation, causing the mantle to dislodge and create a dangerous situation for operators and nearby workers. By ensuring that all parts are in good condition and regularly inspected, the risk of such safety - critical failures can be minimized. Additionally, proper maintenance procedures, such as locking out the power source before performing maintenance, also contribute to a safe working environment.
Conclusion
The Symons 7FT cone crusher parts are the building blocks that enable this powerful machine to perform its crucial role in the mining and aggregate industries. From the eccentric bushing assembly that creates the unique gyrating motion to the wear - resistant bowl liners and mantles that crush the material, each part has a specific and essential function. Understanding these parts, their functions, and the importance of quality and maintenance is key to ensuring the efficient, safe, and long - lasting operation of the Symons 7FT cone crusher. Whether it's an operator looking to optimize production, a maintenance technician responsible for keeping the machine running, or a business owner considering investment in replacement parts, a comprehensive knowledge of these parts is invaluable in the world of cone crusher operations.
The Significance and Function of Main Shaft 68867663 / 6886 - 7663 in Symons 7FT Cone Crusher
Introduction
In the intricate world of Symons 7FT cone crushers, the Main Shaft 68867663 / 6886 - 7663 stands as a linchpin, playing a multifaceted and indispensable role. This shaft is not just a simple component; it is the backbone that enables the crusher to function efficiently and effectively in the demanding environments of mining and aggregate processing. Understanding its significance, construction, and maintenance requirements is crucial for ensuring the long - term performance and reliability of the Symons 7FT cone crusher.
Physical Characteristics and Construction
The Main Shaft 68867663 / 6886 - 7663 is a substantial component, typically fabricated from high - strength steel alloys. The choice of material is not arbitrary; it is a result of careful engineering considerations. High - strength steels are selected for their ability to withstand the extreme forces and torques that the main shaft experiences during the crusher's operation. These forces can include the massive impact of large rocks being crushed, the continuous rotational stress, and the vibrations generated by the machine.
The shaft often has a precisely machined surface. The smoothness of the surface is not merely for aesthetic purposes but is essential for reducing friction and wear. When the shaft rotates at high speeds within its bearings, a rough surface could cause increased friction, leading to overheating, premature wear of the shaft and bearings, and ultimately, a reduction in the efficiency of the crusher. The diameter and length of the Main Shaft 68867663 / 6886 - 7663 are designed to match the specific requirements of the Symons 7FT cone crusher. A shaft that is too thin may not be able to withstand the forces, while a shaft that is too thick could add unnecessary weight and inertia, affecting the overall performance of the machine.
Function in the Symons 7FT Cone Crusher
Power Transmission
At its core, the Main Shaft 68867663 / 6886 - 7663 is responsible for power transmission. It serves as the link between the drive system of the cone crusher, which could be an electric motor or a diesel engine, and the crushing mechanism. As the drive system rotates, it imparts torque to the main shaft. The shaft then transfers this rotational energy to the mantle, which is an integral part of the crushing chamber. The mantle, attached to the main shaft, gyrates within the bowl liner, creating the necessary motion to crush the incoming material. Without a properly functioning main shaft, the power generated by the drive system would not be effectively transferred to the crushing components, rendering the crusher inoperable.
Support for the Mantle
The main shaft also provides crucial support for the mantle. The mantle is a key wear part of the cone crusher that directly interacts with the material being crushed. It is constantly subjected to high - impact forces as rocks are squeezed and broken between the mantle and the bowl liner. The Main Shaft 68867663 / 6886 - 7663 holds the mantle in place and ensures that it maintains the correct alignment within the crushing chamber. Any misalignment of the mantle, which could be caused by a damaged or worn - out main shaft, can lead to uneven crushing. Uneven crushing not only reduces the quality of the final product but also places additional stress on other parts of the crusher, such as the bowl liner and the eccentric bushing assembly.
Contribution to the Eccentric Motion
In a Symons 7FT cone crusher, the eccentric motion of the mantle is what enables the efficient crushing of materials. The Main Shaft 68867663 / 6886 - 7663, in combination with the eccentric bushing assembly, is responsible for generating this eccentric motion. As the main shaft rotates, the eccentric bushing, which is mounted around the main shaft, causes the mantle to move in an elliptical or circular - like path within the bowl liner. This variable - gap motion between the mantle and the bowl liner allows the material to be gradually crushed as it moves through the crushing chamber. The accuracy and consistency of this eccentric motion are highly dependent on the integrity of the main shaft. A bent or damaged main shaft can disrupt the eccentric motion, leading to inefficient crushing and potential damage to other components.
Maintenance and Inspection
Regular Visual Inspections
To ensure the continued proper functioning of the Main Shaft 68867663 / 6886 - 7663, regular visual inspections are essential. Maintenance crews should look for signs of wear, such as scratches, grooves, or pitting on the surface of the shaft. These marks could indicate that the shaft is experiencing excessive friction or that foreign objects have entered the crusher and come into contact with the shaft. Cracks are another critical issue to watch for. Even a small crack in the main shaft can quickly propagate under the high - stress conditions of the crusher, leading to catastrophic failure. Visual inspections should also include checking the alignment of the shaft. If the shaft appears to be misaligned within its bearings, it could be a sign of bearing wear or damage, which can also affect the performance of the main shaft.
Lubrication
Proper lubrication is a cornerstone of maintaining the Main Shaft 68867663 / 6886 - 7663. The shaft rotates within bearings, and without adequate lubrication, the friction between the shaft and the bearings would increase significantly. This would not only lead to increased wear of the shaft and bearings but also cause overheating. High temperatures can weaken the material of the shaft and bearings, reducing their lifespan. Lubricants used for the main shaft should be of high quality and suitable for the operating conditions of the cone crusher. They should be able to withstand the high loads, temperatures, and contaminants that are present in the crusher environment. Regular lubrication intervals should be established based on the manufacturer's recommendations and the actual operating conditions of the machine.
Vibration Analysis
Vibration analysis is a valuable tool for monitoring the health of the Main Shaft 68867663 / 6886 - 7663. When the main shaft is operating properly, it should produce a consistent and relatively low - level vibration. However, if there are issues such as misalignment, bearing wear, or internal damage to the shaft, the vibration pattern will change. By using vibration sensors to measure the vibration levels and frequencies of the main shaft, maintenance personnel can detect potential problems early. For example, an increase in vibration frequency could indicate bearing wear, while an irregular vibration pattern might suggest a crack or misalignment in the main shaft. Early detection through vibration analysis allows for timely maintenance or replacement of the main shaft, preventing unexpected breakdowns and costly production losses.
Importance in Overall Crusher Performance
Efficiency
The Main Shaft 68867663 / 6886 - 7663 has a direct impact on the efficiency of the Symons 7FT cone crusher. A well - maintained and properly functioning main shaft ensures smooth power transmission and consistent eccentric motion. This results in efficient crushing, with a higher throughput of properly sized aggregate. In contrast, a faulty main shaft can cause energy losses in the form of increased friction, vibration, and misalignment. These energy losses not only reduce the efficiency of the crusher but also increase its energy consumption. For a large - scale mining or aggregate processing operation, even a small decrease in crusher efficiency can translate into significant financial losses over time due to increased energy costs and reduced production output.
Product Quality
The quality of the crushed product is also closely tied to the performance of the Main Shaft 68867663 / 6886 - 7663. An evenly worn and correctly aligned main shaft allows the mantle to move in a consistent manner within the bowl liner. This consistency in motion ensures that the material is crushed evenly, resulting in a more uniform product size distribution. If the main shaft is damaged or misaligned, the mantle may not move properly, leading to uneven crushing. This can result in an increased percentage of over - sized or undersized particles in the final product, which may not meet the required specifications for various applications such as construction materials.
Equipment Longevity
The Main Shaft 68867663 / 6886 - 7663 plays a crucial role in determining the overall longevity of the Symons 7FT cone crusher. By providing reliable power transmission and support for the mantle, a healthy main shaft helps to distribute the forces evenly throughout the crusher. This reduces the stress on other components, such as the bowl liner, eccentric bushing, and bearings. On the other hand, a failing main shaft can cause a domino effect of component failures. For example, if the main shaft misaligns, it can put excessive stress on the bearings, causing them to wear out prematurely. This, in turn, can lead to further misalignment and damage to other parts of the crusher. By investing in proper maintenance and timely replacement of the Main Shaft 68867663 / 6886 - 7663 when necessary, operators can significantly extend the lifespan of the entire cone crusher.
Conclusion
The Main Shaft 68867663 / 6886 - 7663 is a vital and complex component within the Symons 7FT cone crusher. Its physical characteristics, functions in power transmission, support for the mantle, and contribution to the eccentric motion are all critical to the crusher's operation. Regular maintenance, including visual inspections, proper lubrication, and vibration analysis, is essential for ensuring its continued performance. The main shaft's impact on crusher efficiency, product quality, and equipment longevity cannot be overstated. In the competitive and demanding industries of mining and aggregate processing, a well - maintained Main Shaft 68867663 / 6886 - 7663 is not just a component but a key to the success and profitability of the entire operation. Whether it is a large - scale mining company or a small - to - medium - sized aggregate producer, understanding and taking care of this crucial part of the cone crusher is a fundamental aspect of efficient and sustainable production.
Technical Analysis of Cone Crusher Main Shaft 68867663/6886-7663
1. Component Overview
The main shaft (PN: 68867663/6886-7663) serves as the structural backbone of Symons/POWERUPS 7FT cone crushers. This precision-engineered component:
- Manufactured from forged 34CrNiMo6 alloy steel
- Features ISO 286-2 h6 tolerance grade machining
- Includes integrated thrust bearing surfaces
- Designed for 2,800-3,200 kN dynamic loading capacity
2. Mechanical Characteristics
2.1 Dimensional Specifications
- Total length: 2,845±0.05 mm
- Major diameter: 290 mm (tapered to 240 mm)
- Eccentric bore diameter: 190 mm
- Weight: approximately 1,850 kg
2.2 Material Properties
- Ultimate tensile strength: ≥980 MPa
- Yield strength: ≥835 MPa
- Impact toughness: ≥40 J at -20°C
- Surface hardness: 280-320 HB
3. Functional Role
The main shaft performs three critical functions:
- Power Transmission: Transfers rotational energy from countershaft to crushing chamber
- Load Distribution: Absorbs compressive forces during material reduction
- Motion Conversion: Converts rotational input into gyratory crushing motion through eccentric travel
4. Failure Modes and Prevention
Common Failure Mechanisms:
- Fatigue cracking at stress concentration points
- Bearing surface galling
- Thread stripping on adjustment components
Preventive Measures:
- Strict adherence to OEM torque specifications (1,100 Nm for mounting nuts)
- Proper lubrication (ISO VG 320 oil with EP additives)
- Vibration monitoring (maintain below 4 mm/s RMS)
- Thermal imaging inspections (operating temp <65°C)
5. Maintenance Protocol
Recommended service intervals:
- Dimensional inspection: every 2,000 operating hours
- Magnetic particle testing: annually or after major impacts
- Complete replacement: typically 12,000-15,000 hours
6. Modern Improvements
Recent design enhancements include:
- Laser-clad bearing surfaces for extended wear life
- Integrated strain gauge mounting points
- RFID tags for lifetime tracking
- Cryogenic treatment for improved fatigue resistance
All brands names, model names or parts numbers are owned by their respective manufacturers. Powerups, has no affiliation with the original equipment manufacturer. These terms are used for reference and identification purpose only, all parts are manufactured by, for and warranted by Powerups.