Manufactured by CHG Bearing, the 15.7*32.57 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.
15.7*32.57 - Tapered Rollers
Technical Specifications
| Overview | |
|---|---|
| Part Number | 15.7*32.57 |
| Brand | CHG® |
| Product Type | Tapered Roller |
| Taper Angle | 1° |
| Dimensions | |
| Roller Length, Lw | 32.57 mm |
| Center Recess Diameter | 8 mm |
| Through-hole Diameter | - mm |
| Center Recess Depth | 0.7 mm |
| Large-end Diameter, Dw | 15.7 mm |
| Spherical End Radius, SR | 427 mm |
| Through-hole Chamfer | - mm |
| Large-end Diameter Tolerance | -0.008 to +0.012 mm |
| Through-hole Coaxiality | - mm |
| Rolling Surface Roughness, Ra (µm) | 0.16 |
| Axial Chamfer — Large End | 0.5 mm |
| Axial Chamfer Tolerance — Large End | -0.2 to +0.2 mm |
| Radial Chamfer — Large End | 0.5 mm |
| Radial Chamfer Tolerance — Large End | -0.2 to +0.2 mm |
| Axial Chamfer — Small End | 0.5 mm |
| Axial Chamfer Tolerance — Small End | -0.2 to +0.2 mm |
| Radial Chamfer — Small End | 0.5 mm |
| Radial Chamfer Tolerance — Small End | -0.2 to +0.2 mm |
| Performance | |
| Spherical End Surface Roughness, Ra (µm) | 0.4 µm |
| Dimensional & Geometrical Accuracy | |
| Roller Length Tolerance | -0.4 to 0 mm |
| End-face Runout | - mm |
| Diameter Variation Between Ends | ±0.003 mm |
| Roundness | 0.002 mm |
| Ovality | 0.002 mm |
15.7*32.57 15.7 mm 32.57 mm 427 mm Frequently Asked Questions about 15.7*32.57 Tapered Rollers
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Model 15.7*32.57 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.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 15.7*32.57, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
To match diverse operational dynamics, CHG Bearing supplies 15.7*32.57 with multiple cage configurations: high-strength pressed steel ribbon cages for standard duty, solid machined brass cages (M/CA) for heavy vibration and shock loads, or lightweight glass-fiber reinforced polyamide cages (TN9/TVP) for high acceleration and ultra-low noise.
Built for demanding industrial environments, the 15.7*32.57 Tapered Rollers by CHG Bearing boasts a dynamic load rating (Cr) of standard dynamic and a static load threshold (C0r) of standard static. The optimized internal raceway geometry balances stress distribution, mitigating edge loading even when operating under peak mechanical stresses.
