Manufactured by CHG Bearing, the 51.48*65.84 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.

51.48*65.84 - Tapered Rollers
Technical Specifications
| Overview | |
|---|---|
| Part Number | 51.48*65.84 |
| Brand | CHG® |
| Product Type | Tapered Roller |
| Taper Angle | 1°17′26″ |
| Dimensions | |
| Roller Length, Lw | 65.84 mm |
| Center Recess Diameter | - mm |
| Through-hole Diameter | 14 mm |
| Center Recess Depth | - mm |
| Large-end Diameter, Dw | 51.48 mm |
| Spherical End Radius, SR | 971 mm |
| Through-hole Chamfer | 10 mm |
| Large-end Diameter Tolerance | -0.02 to +0.02 mm |
| Through-hole Coaxiality | 0.1 mm |
| Rolling Surface Roughness, Ra (µm) | 0.16 |
| Axial Chamfer — Large End | 1.5 mm |
| Axial Chamfer Tolerance — Large End | -0.5 to +0.5 mm |
| Radial Chamfer — Large End | 1.5 mm |
| Radial Chamfer Tolerance — Large End | -0.5 to +0.5 mm |
| Axial Chamfer — Small End | 1.5 mm |
| Axial Chamfer Tolerance — Small End | -0.5 to +0.5- mm |
| Radial Chamfer — Small End | 1.5 mm |
| Radial Chamfer Tolerance — Small End | -0.5 to +0.5 mm |
| Performance | |
| Spherical End Surface Roughness, Ra (µm) | 0.2 µm |
| Dimensional & Geometrical Accuracy | |
| Roller Length Tolerance | -0.5 to 0 mm |
| End-face Runout | - mm |
| Diameter Variation Between Ends | 0.004 mm |
| Roundness | 0.003 mm |
| Ovality | 0.003 mm |
51.48*65.84 51.48 mm 65.84 mm 971 mm Frequently Asked Questions about 51.48*65.84 Tapered Rollers
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Sourcing 51.48*65.84 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 Tapered Rollers.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for 51.48*65.84. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
Absolutely. The CHG Bearing 51.48*65.84 Tapered Rollers is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 51.48*65.84, FAG 51.48*65.84, NSK 51.48*65.84. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 51.48*65.84, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
