Manufactured by CHG Bearing, the 811/630 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.
811/630 - Cylindrical Roller Thrust Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 811/630 |
| 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 | 95 mm |
| Inner-Ring Land Diameter (L1 / d1) | 634 mm |
| Outer-Ring Land Diameter (L2 / D1) | 746 mm |
| Performance | |
| Limiting Speed – Grease (r/min) | 160 r/min |
| Limiting Speed – Oil-air (r/min) | 220 r/min |
| Basic Static Axial Load Rating C0a (N) | 13700 N |
| Basic Dynamic Axial Load Rating Ca (N) | 2160 N |
| Material | |
| Mass (kg) | 80 kg |
811/630 750 mm 746 mm 630 mm 634 mm Frequently Asked Questions about 811/630 Cylindrical Roller Thrust Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 811/630, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing 811/630 correlates its dynamic capacity (standard dynamic) with equivalent dynamic loads. In controlled industrial settings with proper contamination-free filtration, field data confirms continuous operational longevity exceeding 20,000 to 50,000 service hours.
To ensure optimum performance of CHG Bearing 811/630 Cylindrical Roller Thrust Bearings under general rotational loads, our application engineers advise an inner-ring shaft tolerance of m5 or k5 for the 630 mm bore. For the 750 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
In its sealed configuration (Open Type), CHG Bearing pre-charges 811/630 with premium wide-temperature lithium-complex or polyurea grease, calibrated to a 30%–35% cavity volume ratio. For open-type variants, synthetic PAO or refined mineral lubricating oils with appropriate EP (Extreme Pressure) additives should be circulated.
