Manufactured by CHG Bearing, the 40*65 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.

40*65 - Cylindrical Rollers
Technical Specifications
| Overview | |
|---|---|
| Part Number | 40*65 |
| Brand | CHG® |
| Product Type | Cylindrical Roller |
| Dimensions | |
| Roller Diameter, Dw | 40 mm |
| Roller Length, Lw | 65 mm |
| Center Recess Diameter | 20 mm |
| Through-hole Diameter | - mm |
| Center Recess Depth | 1.5 mm |
| Dimensional & Geometrical Accuracy | |
| Roller Diameter Tolerance | -0.025-0.005 mm |
| Roller Length Tolerance | -0.06 to 0 mm |
| Through-hole Runout | - mm |
| End-face Runout | 0.006 mm |
| Diameter Variation Between Ends | 0.002 mm |
| Roundness | 0.0015 mm |
| Ovality | 0.0015 mm |
| Surface Finish | |
| Outside Diameter Surface Roughness, Ra (µm) | 0.125 µm |
| End-face Surface Roughness, Ra (µm) | 0.16 µm |
| Chamfer Geometry | |
| Axial Chamfer | 1.5 mm |
| Axial Chamfer Tolerance | -0.2 to +0.2 mm |
| Radial Chamfer | 1.5 mm |
| Radial Chamfer Tolerance | -0.2 to +0.2 mm |
40*65 40 mm 65 mm Frequently Asked Questions about 40*65 Cylindrical Rollers
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Beyond standard alloy steel, CHG Bearing can customize the 40*65 Cylindrical Rollers using AISI 440C stainless steel, black oxide coating, zinc-nickel plating, or hybrid ceramic (Si3N4) balls for applications involving chemical exposure, marine salt fog, or galvanic current hazards.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for 40*65. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
Yes, 100% of 40*65 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.
The Open Type engineered for 40*65 by CHG Bearing utilizes precision non-contact metal shields or reinforced NBR/FKM contact lip seals. This barrier prevents particulate ingress, washdown fluids, and abrasive dust from reaching the raceways while eliminating grease leakage under centrifugal forces.
