Manufactured by CHG Bearing, the 35.18*51.21 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.
35.18*51.21 - Tapered Rollers
Technical Specifications
| Overview | |
|---|---|
| Part Number | 35.18*51.21 |
| Brand | CHG® |
| Product Type | Tapered Roller |
| Taper Angle | 1°15′0″ |
| Dimensions | |
| Roller Length, Lw | 51.21 mm |
| Center Recess Diameter | 20 mm |
| Through-hole Diameter | - mm |
| Center Recess Depth | 1.5 mm |
| Large-end Diameter, Dw | 35.18 mm |
| Spherical End Radius, SR | 725 mm |
| Through-hole Chamfer | - mm |
| Large-end Diameter Tolerance | -0.02 to +0.02 mm |
| Through-hole Coaxiality | - mm |
| Rolling Surface Roughness, Ra (µm) | 0.16 |
| Axial Chamfer — Large End | 1 mm |
| Axial Chamfer Tolerance — Large End | -0.4 to +0.4 mm |
| Radial Chamfer — Large End | 1 mm |
| Radial Chamfer Tolerance — Large End | -0.4 to +0.4 mm |
| Axial Chamfer — Small End | 1 mm |
| Axial Chamfer Tolerance — Small End | -0.4 to +0.4 mm |
| Radial Chamfer — Small End | 1 mm |
| Radial Chamfer Tolerance — Small End | -0.4 to +0.4 mm |
| Performance | |
| Spherical End Surface Roughness, Ra (µm) | 0.2 µm |
| Dimensional & Geometrical Accuracy | |
| Roller Length Tolerance | -0.2 to 0 mm |
| End-face Runout | - mm |
| Diameter Variation Between Ends | ±0.003 mm |
| Roundness | 0.0015 mm |
| Ovality | 0.0015 mm |
35.18*51.21 35.18 mm 51.21 mm 725 mm Frequently Asked Questions about 35.18*51.21 Tapered Rollers
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To safeguard CHG Bearing 35.18*51.21 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.
Built for demanding industrial environments, the 35.18*51.21 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.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 35.18*51.21, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing 35.18*51.21 correlates its dynamic capacity (standard dynamic) with equivalent dynamic loads. In controlled industrial settings with proper contamination-free filtration, field data confirms continuous operational longevity exceeding 20,000 to 50,000 service hours.
