Manufactured by CHG Bearing, the 891/630 is a precision Cylindrical Roller Thrust Bearings. Key dimensional parameters include a 630 mm bore diameter, a 750 mm outer diameter, and a mm overall width. This component is designed to meet standard load requirements and ensure consistent operational performance. For comprehensive technical evaluation, please explore the detailed specifications, dimensional data, product images, and CAD drawings provided below. A complete PDF data sheet is also readily available for direct download to support your engineering and procurement needs.
891/630 - Cylindrical Roller Thrust Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 891/630 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Cylindrical Roller Thrust Bearing |
| Design Type | Single Direction |
| Load Direction | Axial |
| Dimensions | |
| Bore Diameter (d) | 630 mm |
| Outer Diameter (D) | 750 mm |
| Minimum Chamfer Dimension rmin | 3 mm |
| Overall Height H | 73 mm |
| Inner-Ring Land Diameter (L1 / d1) | 634 mm |
| Outer-Ring Land Diameter (L2 / D1) | 746 mm |
| Performance | |
| Limiting Speed – Grease (r/min) | 170 r/min |
| Limiting Speed – Oil-air (r/min) | 240 r/min |
| Basic Static Axial Load Rating C0a (N) | 10080 N |
| Basic Dynamic Axial Load Rating Ca (N) | 1467 N |
| Material | |
| Mass (kg) | 62 kg |
891/630 750 mm 746 mm 630 mm 634 mm Frequently Asked Questions about 891/630 Cylindrical Roller Thrust Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes, 100% of 891/630 Cylindrical Roller Thrust Bearings leaving CHG Bearing production lines are subjected to multi-frequency Anderometer sound testing. All units satisfy baseline Z1V1 levels, with dedicated quiet-running electric motor quality (EMQ) lots certified to Z2V2 and Z3V3 standards for silent machinery integration.
Quality starts with raw material selection: CHG Bearing crafts 891/630 inner and outer rings from high-purity High-Quality Chrome Steel (GCr15/100Cr6). Our raw billets undergo vacuum degassing and secondary ESR (electroslag remelting) processes to drastically eliminate non-metallic sulfide and oxide inclusions, elevating subsurface contact fatigue resistance.
Every production batch of CHG Bearing 891/630 Cylindrical Roller Thrust Bearings comes with complete traceability. Upon shipment, CHG Bearing can provide EN 10204 3.1 Material Test Reports (MTR), Certificates of Conformity (CoC), spectral chemical composition analysis, and dimensional inspection sheets.
Built for demanding industrial environments, the 891/630 Cylindrical Roller Thrust Bearings by CHG Bearing boasts a dynamic load rating (Cr) of standard dynamic and a static load threshold (C0r) of standard static. The optimized internal raceway geometry balances stress distribution, mitigating edge loading even when operating under peak mechanical stresses.
