Manufactured by CHG Bearing, the 45*61.142 is a precision Spherical 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.

45*61.142 - Spherical Rollers
Technical Specifications
| Overview | |
|---|---|
| Part Number | 45*61.142 |
| Brand | CHG® |
| Product Type | Spherical Roller |
| Dimensions | |
| Roller Length, Lw | 61.142 mm |
| Spherical End Radius, SR | 201.5 mm |
| Performance | |
| Spherical End Surface Roughness, Ra (µm) | 0.25 µm |
| Maximum Roller Diameter, Dw | 45 mm |
| Outer Profile Radius, R | 222.5 mm |
| Flat-end Recess Depth | - mm |
| Outer Profile Surface Roughness, Ra (µm) | 0.25 µm |
| Material | |
| Small Flat Diameter | 13.5 mm |
| Flat-end Recess Diameter | - mm |
| Dimensional & Geometrical Accuracy | |
| Roller Diameter Tolerance | -0.024 to +0.024 mm |
| Roller Length Tolerance | -0.16 to 0 mm |
| End-face Runout | - mm |
| Roundness | 0.003 mm |
| Ovality | 0.003 mm |
| Spherical-end Recess Diameter | - mm |
| Spherical-end Recess Depth | - mm |
| Chamfer Geometry | |
| Axial Chamfer | 1.2 mm |
| Axial Chamfer Tolerance | -0.4 to +0.4 mm |
| Radial Chamfer | 1 mm |
| Radial Chamfer Tolerance | -0.4 to +0.4 mm |
45*61.142 45 mm 61.142 mm 201.5 mm Frequently Asked Questions about 45*61.142 Spherical Rollers
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To match diverse operational dynamics, CHG Bearing supplies 45*61.142 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.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 45*61.142, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
Sourcing 45*61.142 directly from CHG Bearing eliminates intermediate brokerage markups while granting you factory-direct engineering backup, rigorous ISO-certified quality assurance, competitive volume wholesale pricing, and dependable supply chain stability for Spherical Rollers.
The CHG Bearing 45*61.142 is rated for limiting speeds up to standard rated RPM under forced oil-mist or circulating oil lubrication regimes. When lubricated with factory-filled synthetic high-speed grease, safe continuous velocity is maintained at approximately 75% to 85% of the maximum nominal limit, preventing thermal runaway.
