Manufactured by CHG Bearing, the 61*137.14 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.
61*137.14 - Tapered Rollers
Technical Specifications
| Overview | |
|---|---|
| Part Number | 61*137.14 |
| Brand | CHG® |
| Product Type | Tapered Roller |
| Taper Angle | 0°27′20″ |
| Dimensions | |
| Roller Length, Lw | 137.14 mm |
| Center Recess Diameter | 30 mm |
| Through-hole Diameter | - mm |
| Center Recess Depth | 2 mm |
| Large-end Diameter, Dw | 61 mm |
| Spherical End Radius, SR | 3260 mm |
| Through-hole Chamfer | - mm |
| Large-end Diameter Tolerance | -0.015 to +0.015 mm |
| Through-hole Coaxiality | - mm |
| Rolling Surface Roughness, Ra (µm) | 0.16 |
| Axial Chamfer — Large End | 2 mm |
| Axial Chamfer Tolerance — Large End | -0.3 to +0.3 mm |
| Radial Chamfer — Large End | 2 mm |
| Radial Chamfer Tolerance — Large End | -0.3 to +0.3 mm |
| Axial Chamfer — Small End | 2 mm |
| Axial Chamfer Tolerance — Small End | -0.3 to +0.3 mm |
| Radial Chamfer — Small End | 2 mm |
| Radial Chamfer Tolerance — Small End | -0.3 to +0.3 mm |
| Performance | |
| Spherical End Surface Roughness, Ra (µm) | 0.2 µm |
| Dimensional & Geometrical Accuracy | |
| Roller Length Tolerance | -0.7 to 0 mm |
| End-face Runout | - mm |
| Diameter Variation Between Ends | ±0.003 mm |
| Roundness | 0.002 mm |
| Ovality | 0.002 mm |
61*137.14 61 mm 137.14 mm 3260 mm Frequently Asked Questions about 61*137.14 Tapered Rollers
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Standard batches of CHG Bearing 61*137.14 conform strictly to ISO Class Normal (ABEC-1). For high-precision machine tool spindles, gearboxes, or robotics requiring tighter runouts, CHG Bearing can provide custom batches graded to ISO Class 6 (P6/ABEC-3) or ISO Class 5 (P5/ABEC-5) with 100% micrometer verification.
The CHG Bearing 61*137.14 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.
The Open Type engineered for 61*137.14 by CHG Bearing utilizes precision non-contact metal shields or reinforced NBR/FKM contact lip seals. This barrier prevents particulate ingress, washdown fluids, and abrasive dust from reaching the raceways while eliminating grease leakage under centrifugal forces.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing 61*137.14 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.
