Manufactured by CHG Bearing, the 40.8*50.2 is a precision Tapered Rollers. Key dimensional parameters include a mm bore diameter, a 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.
40.8*50.2 - Tapered Rollers
Technical Specifications
| Overview | |
|---|---|
| Part Number | 40.8*50.2 |
| Brand | CHG® |
| Product Type | Tapered Roller |
| Taper Angle | 1° |
| Dimensions | |
| Roller Length, Lw | 50.2 mm |
| Center Recess Diameter | - mm |
| Through-hole Diameter | 11.7 mm |
| Center Recess Depth | - mm |
| Large-end Diameter, Dw | 40.8 mm |
| Spherical End Radius, SR | 1110 mm |
| Through-hole Chamfer | - mm |
| Large-end Diameter Tolerance | -0.03 to +0.03 mm |
| Through-hole Coaxiality | 0.3 mm |
| Rolling Surface Roughness, Ra (µm) | 0.25 |
| Axial Chamfer — Large End | 1.5 mm |
| Axial Chamfer Tolerance — Large End | -0.2 to +0.2 mm |
| Radial Chamfer — Large End | 1.2 mm |
| Radial Chamfer Tolerance — Large End | -0.2 to +0.2 mm |
| Axial Chamfer — Small End | 1.2 mm |
| Axial Chamfer Tolerance — Small End | -0.2 to +0.2 mm |
| Radial Chamfer — Small End | 303 mm |
| Radial Chamfer Tolerance — Small End | -0.2 to +0.2 mm |
| Performance | |
| Spherical End Surface Roughness, Ra (µm) | 0.32 µm |
| Dimensional & Geometrical Accuracy | |
| Roller Length Tolerance | -0.5 to 0 mm |
| End-face Runout | - mm |
| Diameter Variation Between Ends | ±0.005 mm |
| Roundness | 0.003 mm |
| Ovality | 0.003 mm |
40.8*50.2 40.8 mm 50.2 mm 1110 mm Frequently Asked Questions about 40.8*50.2 Tapered Rollers
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes, 100% of 40.8*50.2 Tapered Rollers 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.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 40.8*50.2, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
Every production batch of CHG Bearing 40.8*50.2 Tapered Rollers 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.
To ensure optimum performance of CHG Bearing 40.8*50.2 Tapered Rollers under general rotational loads, our application engineers advise an inner-ring shaft tolerance of m5 or k5 for the mm bore. For the mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
