Manufactured by CHG Bearing, the 68*100 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.
68*100 - Cylindrical Rollers
Technical Specifications
| Overview | |
|---|---|
| Part Number | 68*100 |
| Brand | CHG® |
| Product Type | Cylindrical Roller |
| Dimensions | |
| Roller Diameter, Dw | 68 mm |
| Roller Length, Lw | 100 mm |
| Center Recess Diameter | 32 mm |
| Through-hole Diameter | - mm |
| Center Recess Depth | 1.5 mm |
| Dimensional & Geometrical Accuracy | |
| Roller Diameter Tolerance | -0.03-0.005 mm |
| Roller Length Tolerance | -0.05 to 0 mm |
| Through-hole Runout | - mm |
| End-face Runout | 0.012 mm |
| Diameter Variation Between Ends | 0.002 mm |
| Roundness | 0.004 mm |
| Ovality | 0.004 mm |
| Surface Finish | |
| Outside Diameter Surface Roughness, Ra (µm) | 0.25 µm |
| End-face Surface Roughness, Ra (µm) | 0.32 µm |
| Chamfer Geometry | |
| Axial Chamfer | 2 mm |
| Axial Chamfer Tolerance | -0.2 to +0.2 mm |
| Radial Chamfer | 2 mm |
| Radial Chamfer Tolerance | -0.2 to +0.2 mm |
68*100 68 mm 100 mm Frequently Asked Questions about 68*100 Cylindrical Rollers
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
The CHG Bearing 68*100 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.
Absolutely. The CHG Bearing 68*100 Cylindrical Rollers is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 68*100, FAG 68*100, NSK 68*100. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing 68*100 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.
Yes, 100% of 68*100 Cylindrical 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.
