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Equipment and part identification, drawing review, material selection and manufacturing feasibility assessment.
Supports the pinionshaft and maintains gear pair centre distance and meshing accuracy.
Pinion Shaft Bearing (Pinionshaft Bearings)— Gyratory Crusher Wear part, position 28.
| Installation Position | On both sides of the pinion shaft, corresponding to location 28 in the FLS cutaway diagram marked on this site. |
| Main Function | Supports the pinionshaft and maintains gear pair centre distance and meshing accuracy. |
| Replacement Frequency | Low to medium replacement frequency; replace for vibration, overheating, pitting, excessive clearance or lubricant contamination. |
| Item | Details |
|---|---|
| Material Options | Clean 100Cr6/SAE 52100 bearing steel and OEM-specified cage and rolling element materials |
| Typical Properties and Acceptance Criteria | Bearing rings and rolling elements generally require uniform hardening to around 58–64 HRC, clean steel and controlled residual stresses. Acceptance and maintenance checks also cover internal clearance or preload, fits, circular runout, lubrication, temperature, vibration and metallic debris. Bearing clearance directly affects the gear contact pattern. |
| Principal Failure Mechanism | Impact, cutting and abrasive wear; gear tooth or pin-and-bushing wear, pitting, scuffing, uneven loading and fatigue; contact fatigue, lubricant contamination, overheating, seizure and seal failure |
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