Manufactured by CHG Bearing, the 90*97.5 is a precision Cylindrical 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.
90*97.5 - Cylindrical Rollers
Technical Specifications
| Overview | |
|---|---|
| Part Number | 90*97.5 |
| Brand | CHG® |
| Product Type | Cylindrical Roller |
| Dimensions | |
| Roller Diameter, Dw | 90 mm |
| Roller Length, Lw | 97.5 mm |
| Center Recess Diameter | 40 mm |
| Through-hole Diameter | - mm |
| Center Recess Depth | 2 mm |
| Dimensional & Geometrical Accuracy | |
| Roller Diameter Tolerance | -0.018 to +0.006 mm |
| Roller Length Tolerance | -0.2 to +0.05 mm |
| Through-hole Runout | - mm |
| End-face Runout | 0.006 mm |
| Diameter Variation Between Ends | 0.002 mm |
| Roundness | 0.0013 mm |
| Ovality | - mm |
| Surface Finish | |
| Outside Diameter Surface Roughness, Ra (µm) | 0.16 µm |
| End-face Surface Roughness, Ra (µm) | 0.25 µm |
| Chamfer Geometry | |
| Axial Chamfer | 2.5 mm |
| Axial Chamfer Tolerance | -0.6 to +0.6 mm |
| Radial Chamfer | 2.5 mm |
| Radial Chamfer Tolerance | -0.6 to +0.6 mm |
90*97.5 90 mm 97.5 mm Frequently Asked Questions about 90*97.5 Cylindrical Rollers
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Absolutely. The CHG Bearing 90*97.5 Cylindrical Rollers is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 90*97.5, FAG 90*97.5, NSK 90*97.5. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Built for demanding industrial environments, the 90*97.5 Cylindrical 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.
Quality starts with raw material selection: CHG Bearing crafts 90*97.5 inner and outer rings from high-purity High-Quality Chrome Steel (GCr15/100Cr6). Our raw billets undergo vacuum degassing and secondary ESR (electroslag remelting) processes to drastically eliminate non-metallic sulfide and oxide inclusions, elevating subsurface contact fatigue resistance.
To ensure optimum performance of CHG Bearing 90*97.5 Cylindrical Rollers under general rotational loads, our application engineers advise an inner-ring shaft tolerance of m5 or k5 for the mm bore. For the mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
