Manufactured by CHG Bearing, the NA82587/82932D is a precision Double Row Tapered Roller Bearings. Key dimensional parameters include a 149.225 mm bore diameter, a 236.538 mm outer diameter, and a 131.763 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.

NA82587/82932D - Double Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | NA82587/82932D |
| Brand | CHG® |
| Bearing | Double Row Tapered Roller Bearing |
| Characteristics | |
| Series | 370000 |
| Number of Rows | Double Row |
| Tolerance Class | Class 4 |
| Dimensions | |
| Bore Diameter (d) | 149.225 mm |
| Width (B) | 131.763 mm |
| Outer Diameter (D) | 236.538 mm |
| Bore Diameter Tolerance | 0 – +0.025 mm |
| Outside Diameter Tolerance | 0 – +0.051 mm |
| Inner Ring Chamfer | 3.2 mm |
| Outer Ring Chamfer | 1.6 mm |
| Inner Ring Assembly Width Tolerance | -0.508 – +0.711 mm |
| Outer Ring Assembly Width | 180.975 mm |
| Outer Ring Assembly Width Tolerance | -0.508 – +0.711 mm |
| Shaft Abutment Diameter | 232.1 mm |
| Housing Abutment Diameter | 325.2 mm |
| Lubrication Hole Diameter | 6 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 1770 kN |
| Basic Static Load Rating C0 (kN) | 3800 kN |
| Material | |
| Mass (kg) | 65.1 kg |
| Ring Material | Bearing Steel |
| Cage Material | 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 12 mm |
| Roller Material | Bearing Steel |
NA82587/82932D 236.538 mm 149.225 mm Frequently Asked Questions about NA82587/82932D Double Row Tapered Roller 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 NA82587/82932D, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
Sourcing NA82587/82932D directly from CHG Bearing eliminates intermediate brokerage markups while granting you factory-direct engineering backup, rigorous ISO-certified quality assurance, competitive volume wholesale pricing, and dependable supply chain stability for Double Row Tapered Roller Bearings.
Engineered according to international ISO boundary plans, CHG Bearing supplies NA82587/82932D with a precision bore diameter (d) of 149.225 mm, an outside diameter (D) of 236.538 mm, and a nominal ring width (B) of 131.763 mm. This configuration yields an effective cross-sectional wall thickness of 43.7 mm and an envelope ratio (D/d) of 1.59, delivering compact rigidity for OEM machinery housings.
Each NA82587/82932D 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 (149.225 mm bore side) ensures perfect planar contact without edge binding.
