Manufactured by CHG Bearing, the 68.58*119.7 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.
68.58*119.7 - Tapered Rollers
Technical Specifications
| Overview | |
|---|---|
| Part Number | 68.58*119.7 |
| Brand | CHG® |
| Product Type | Tapered Roller |
| Taper Angle | 2°0′0″ |
| Dimensions | |
| Roller Length, Lw | 119.7 mm |
| Center Recess Diameter | 36 mm |
| Through-hole Diameter | - mm |
| Center Recess Depth | 1.5 mm |
| Large-end Diameter, Dw | 68.58 mm |
| Spherical End Radius, SR | 835 mm |
| Through-hole Chamfer | - mm |
| Large-end Diameter Tolerance | -0.015 to +0.015 mm |
| Through-hole Coaxiality | - mm |
| Rolling Surface Roughness, Ra (µm) | 0.125 |
| Axial Chamfer — Large End | 1.5 mm |
| Axial Chamfer Tolerance — Large End | 0 to +0.5 mm |
| Radial Chamfer — Large End | 1.5 mm |
| Radial Chamfer Tolerance — Large End | 0 to +0.5 mm |
| Axial Chamfer — Small End | 1.5 mm |
| Axial Chamfer Tolerance — Small End | 0 to +0.5 mm |
| Radial Chamfer — Small End | 1.5 mm |
| Radial Chamfer Tolerance — Small End | 0 to +0.5 mm |
| Performance | |
| Spherical End Surface Roughness, Ra (µm) | 0.2 µm |
| Dimensional & Geometrical Accuracy | |
| Roller Length Tolerance | -0.2 to 0 mm |
| End-face Runout | - mm |
| Diameter Variation Between Ends | ±0.0035 mm |
| Roundness | 0.0025 mm |
| Ovality | 0.0025 mm |
68.58*119.7 68.58 mm 119.7 mm 835 mm Frequently Asked Questions about 68.58*119.7 Tapered Rollers
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Sourcing 68.58*119.7 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.
To match diverse operational dynamics, CHG Bearing supplies 68.58*119.7 with multiple cage configurations: high-strength pressed steel ribbon cages for standard duty, solid machined brass cages (M/CA) for heavy vibration and shock loads, or lightweight glass-fiber reinforced polyamide cages (TN9/TVP) for high acceleration and ultra-low noise.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for 68.58*119.7. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing 68.58*119.7 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.
