Manufactured by CHG Bearing, the 20.15*25.08 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.

20.15*25.08 - Tapered Rollers
Technical Specifications
| Overview | |
|---|---|
| Part Number | 20.15*25.08 |
| Brand | CHG® |
| Product Type | Tapered Roller |
| Taper Angle | 56' |
| Dimensions | |
| Roller Length, Lw | 25.08 mm |
| Center Recess Diameter | 10 mm |
| Through-hole Diameter | - mm |
| Center Recess Depth | 1 mm |
| Large-end Diameter, Dw | 20.15 mm |
| Spherical End Radius, SR | 578 mm |
| Through-hole Chamfer | - mm |
| Large-end Diameter Tolerance | -0.008 to +0.014 mm |
| Through-hole Coaxiality | - mm |
| Rolling Surface Roughness, Ra (µm) | 0.16 |
| Axial Chamfer — Large End | 0.8 mm |
| Axial Chamfer Tolerance — Large End | -0.2 to +0.2 mm |
| Radial Chamfer — Large End | 0.8 mm |
| Radial Chamfer Tolerance — Large End | -0.2 to +0.2 mm |
| Axial Chamfer — Small End | 0.8 mm |
| Axial Chamfer Tolerance — Small End | -0.2 to +0.2 mm |
| Radial Chamfer — Small End | 0.8 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 | -0.3 to 0 mm |
| End-face Runout | - mm |
| Diameter Variation Between Ends | ±0.005 mm |
| Roundness | 0.0015 mm |
| Ovality | 0.0015 mm |
20.15*25.08 20.15 mm 25.08 mm 578 mm Frequently Asked Questions about 20.15*25.08 Tapered Rollers
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes, 100% of 20.15*25.08 Tapered Rollers leaving CHG Bearing production lines are subjected to multi-frequency Anderometer sound testing. All units satisfy baseline Z1V1 levels, with dedicated quiet-running electric motor quality (EMQ) lots certified to Z2V2 and Z3V3 standards for silent machinery integration.
Sourcing 20.15*25.08 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.
The Open Type engineered for 20.15*25.08 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.
Absolutely. The CHG Bearing 20.15*25.08 Tapered Rollers is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 20.15*25.08, FAG 20.15*25.08, NSK 20.15*25.08. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
