Manufactured by CHG Bearing, the 48*62 is a precision Cylindrical 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.

48*62 - Cylindrical Rollers
Technical Specifications
| Overview | |
|---|---|
| Part Number | 48*62 |
| Brand | CHG® |
| Product Type | Cylindrical Roller |
| Dimensions | |
| Roller Diameter, Dw | 48 mm |
| Roller Length, Lw | 62 mm |
| Center Recess Diameter | 22 mm |
| Through-hole Diameter | 10 mm |
| Center Recess Depth | 1.5 mm |
| Dimensional & Geometrical Accuracy | |
| Roller Diameter Tolerance | -0.01-0.003 mm |
| Roller Length Tolerance | -0.02 to -0.01 mm |
| Through-hole Runout | 0.03 mm |
| End-face Runout | 0.005 mm |
| Diameter Variation Between Ends | 0.002 mm |
| Roundness | 0.001 mm |
| Ovality | 0.001 mm |
| Surface Finish | |
| Outside Diameter Surface Roughness, Ra (µm) | 0.125 µm |
| End-face Surface Roughness, Ra (µm) | 0.16 µm |
| Chamfer Geometry | |
| Axial Chamfer | 1.5 mm |
| Axial Chamfer Tolerance | -0.2 to +0.2 mm |
| Radial Chamfer | 1.5 mm |
| Radial Chamfer Tolerance | -0.2 to +0.2 mm |
48*62 48 mm 62 mm Frequently Asked Questions about 48*62 Cylindrical Rollers
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To safeguard CHG Bearing 48*62 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces ( mm x mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
To extend the trouble-free lifespan of CHG Bearing 48*62, preventive maintenance routines should monitor operating housing temperature (normally maintaining below 70°C) and conduct regular vibration FFT analysis to identify early raceway micro-pitting before unexpected line halts occur.
Model 48*62 is manufactured by CHG Bearing in standard Normal clearance (CN) for ambient temperature transmission, and C3 or C4 clearance for heavy duty applications. C3 clearance compensates for radial shrinkage caused by tight shaft press-fits (bore mm) and steep thermal gradients between inner and outer rings.
Every production batch of CHG Bearing 48*62 Cylindrical 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.
