Manufactured by CHG Bearing, the 81601D/81962 is a precision Double Row Tapered Roller Bearings. Key dimensional parameters include a 152.4 mm bore diameter, a 244.475 mm outer diameter, and a 87.313 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.
81601D/81962 - Double Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 81601D/81962 |
| Brand | CHG® |
| Bearing | Double Row Tapered Roller Bearing |
| Characteristics | |
| Series | 370000 |
| Number of Rows | Double Row |
| Tolerance Class | Class 3 |
| Dimensions | |
| Bore Diameter (d) | 152.4 mm |
| Width (B) | 87.313 mm |
| Outer Diameter (D) | 244.475 mm |
| Bore Diameter Tolerance | 0 – +0.013 mm |
| Outside Diameter Tolerance | 0 – +0.013 mm |
| Inner Ring Chamfer | 3.2 mm |
| Outer Ring Chamfer | 1.6 mm |
| Inner Ring Assembly Width Tolerance | -0.406 – +0.406 mm |
| Outer Ring Assembly Width | 92.075 mm |
| Outer Ring Assembly Width Tolerance | -0.406 – +0.406 mm |
| Shaft Abutment Diameter | 174.2 mm |
| Housing Abutment Diameter | 233.1 mm |
| Lubrication Hole Diameter | 5 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 552 kN |
| Basic Static Load Rating C0 (kN) | 989 kN |
| Material | |
| Mass (kg) | 15.2 kg |
| Ring Material | Bearing Steel |
| Cage Material | 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 10 mm |
| Roller Material | Bearing Steel |
81601D/81962 244.475 mm 152.4 mm Frequently Asked Questions about 81601D/81962 Double Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Each 81601D/81962 produced in CHG Bearing manufacturing facilities features accurately profiled corner chamfers complying with DIN 5412 / ISO standard corner radii. When designing mating shafts and housing shoulders, machining an undercut or fillet radius strictly within the inner ring clearance limit (152.4 mm bore side) ensures perfect planar contact without edge binding.
Absolutely. The CHG Bearing 81601D/81962 Double Row Tapered Roller Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 81601D/81962, FAG 81601D/81962, NSK 81601D/81962. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
To safeguard CHG Bearing 81601D/81962 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (152.4 mm x 244.475 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing 81601D/81962 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.
