Manufactured by CHG Bearing, the 67.78*103.61 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.
67.78*103.61 - Tapered Rollers
Technical Specifications
| Overview | |
|---|---|
| Part Number | 67.78*103.61 |
| Brand | CHG® |
| Product Type | Tapered Roller |
| Taper Angle | 0°26′0″ |
| Dimensions | |
| Roller Length, Lw | 103.61 mm |
| Center Recess Diameter | 36 mm |
| Through-hole Diameter | - mm |
| Center Recess Depth | 2 mm |
| Large-end Diameter, Dw | 67.78 mm |
| Spherical End Radius, SR | 3940 mm |
| Through-hole Chamfer | - mm |
| Large-end Diameter Tolerance | -0.015 to +0.015 mm |
| Through-hole Coaxiality | - mm |
| Rolling Surface Roughness, Ra (µm) | 0.16 |
| 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 | -0.2 to 0 mm |
| End-face Runout | - mm |
| Diameter Variation Between Ends | ±0.0025 mm |
| Roundness | 0.0025 mm |
| Ovality | 0.0025 mm |
67.78*103.61 67.78 mm 103.61 mm 3940 mm Frequently Asked Questions about 67.78*103.61 Tapered Rollers
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To safeguard CHG Bearing 67.78*103.61 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces ( mm x mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
Sourcing 67.78*103.61 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 67.78*103.61 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.
Absolutely. The CHG Bearing 67.78*103.61 Tapered Rollers is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 67.78*103.61, FAG 67.78*103.61, NSK 67.78*103.61. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
