Manufactured by CHG Bearing, the 78*150 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.
78*150 - Cylindrical Rollers
Technical Specifications
| Overview | |
|---|---|
| Part Number | 78*150 |
| Brand | CHG® |
| Product Type | Cylindrical Roller |
| Dimensions | |
| Roller Diameter, Dw | 78 mm |
| Roller Length, Lw | 150 mm |
| Center Recess Diameter | 35 mm |
| Through-hole Diameter | 20 mm |
| Center Recess Depth | 2 mm |
| Dimensional & Geometrical Accuracy | |
| Roller Diameter Tolerance | -0.05-0.005 mm |
| Roller Length Tolerance | -0.04 to -0.03 mm |
| Through-hole Runout | 0.03 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) | 0.25 µm |
| Chamfer Geometry | |
| Axial Chamfer | 2.5 mm |
| Axial Chamfer Tolerance | -0.2 to +0.2 mm |
| Radial Chamfer | 2.5 mm |
| Radial Chamfer Tolerance | -0.2 to +0.2 mm |
78*150 78 mm 150 mm Frequently Asked Questions about 78*150 Cylindrical Rollers
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 78*150, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
To safeguard CHG Bearing 78*150 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.
Absolutely. The CHG Bearing 78*150 Cylindrical Rollers is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 78*150, FAG 78*150, NSK 78*150. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
As standard production, CHG Bearing subjects 78*150 to precision bainite or martensite quenching, offering dimensional stability up to 120°C (248°F). For high-heat processing equipment, CHG Bearing also supplies custom S0 (150°C), S1 (200°C), or S2 (250°C) stabilization heat treatments upon request to prevent residual austenite transformation.
