Manufactured by CHG Bearing, the 381992P5 is a precision Four-Row Tapered Roller Bearings. Key dimensional parameters include a 460 mm bore diameter, a 620 mm outer diameter, and a 310 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.

381992P5 - Four-Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 381992P5 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Four Row Tapered Roller Bearing |
| Number of Rows | Four Row |
| Tolerance Class | P5 |
| Dimensions | |
| Bore Diameter (d) | 460 mm |
| Width (B) | 310 mm |
| Outer Diameter (D) | 620 mm |
| Bore Diameter Tolerance | -0.035 – 0 mm |
| Outside Diameter Tolerance | -0.038 – 0 mm |
| Inner Ring Chamfer | 4 min mm |
| Outer Ring Chamfer | 3 min mm |
| Inner Ring Assembly Width Tolerance | -0.5 – +0.5 mm |
| Outer Ring Assembly Width | 310 mm |
| Outer Ring Assembly Width Tolerance | -0.5 – +0.5 mm |
| Shaft Abutment Diameter | 480 mm |
| Housing Abutment Diameter | 590 mm |
| Lubrication Hole Diameter | 8 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 3780 kN |
| Basic Static Load Rating C0 (kN) | 10500 kN |
| Material | |
| Mass (kg) | 253 kg |
| Ring Material | Case-Hardened Steel / Bearing Steel |
| Rolling Element Material | Case-Hardened Steel / Bearing Steel |
| Cage Material | Grade 10 Steel |
| Lubrication Groove Width | 15 mm |
381992P5 620 mm 460 mm 310 mm Frequently Asked Questions about 381992P5 Four-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 381992P5, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
As standard production, CHG Bearing subjects 381992P5 to precision bainite or martensite quenching, offering dimensional stability up to 120°C (248°F). For high-heat processing equipment, CHG Bearing also supplies custom S0 (150°C), S1 (200°C), or S2 (250°C) stabilization heat treatments upon request to prevent residual austenite transformation.
To safeguard CHG Bearing 381992P5 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (460 mm x 620 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
Beyond standard alloy steel, CHG Bearing can customize the 381992P5 Four-Row Tapered Roller Bearings using AISI 440C stainless steel, black oxide coating, zinc-nickel plating, or hybrid ceramic (Si3N4) balls for applications involving chemical exposure, marine salt fog, or galvanic current hazards.
