Cylindrical Rollers

38*80 - Cylindrical Rollers

Manufactured by CHG Bearing, the 38*80 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.

Technical Specifications

Overview
Part Number38*80
BrandCHG®
Product TypeCylindrical Roller
Dimensions
Roller Diameter, Dw38 mm
Roller Length, Lw80 mm
Center Recess Diameter18 mm
Through-hole Diameter- mm
Center Recess Depth1.5 mm
Dimensional & Geometrical Accuracy
Roller Diameter Tolerance-0.025-0.005 mm
Roller Length Tolerance-0.06 to -0.01 mm
Through-hole Runout- mm
End-face Runout0.006 mm
Diameter Variation Between Ends0.002 mm
Roundness0.002 mm
Ovality0.002 mm
Surface Finish
Outside Diameter Surface Roughness, Ra (µm)0.16 µm
End-face Surface Roughness, Ra (µm)0.25 µm
Chamfer Geometry
Axial Chamfer1.2 mm
Axial Chamfer Tolerance-0.5 to +0.5 mm
Radial Chamfer1.2 mm
Radial Chamfer Tolerance-0.5 to +0.5 mm
CAD Drawing and Dimensions for 38*80 Cylindrical Rollers 38*80 38 mm 80 mm

Frequently Asked Questions about 38*80 Cylindrical Rollers

Find key technical answers regarding dimensions, specifications, and replacement options for this model.

The CHG Bearing 38*80 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.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 38*80, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
Absolutely. The CHG Bearing 38*80 Cylindrical Rollers is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 38*80, FAG 38*80, NSK 38*80. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for 38*80. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
38*80 - Cylindrical Rollers CAD Drawing 38*80 38 mm 80 mm