Manufactured by CHG Bearing, the 40*58.519 is a precision Spherical 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*58.519 - Spherical Rollers
Technical Specifications
| Overview | |
|---|---|
| Part Number | 40*58.519 |
| Brand | CHG® |
| Product Type | Spherical Roller |
| Dimensions | |
| Roller Length, Lw | 58.519 mm |
| Spherical End Radius, SR | 351 mm |
| Performance | |
| Spherical End Surface Roughness, Ra (µm) | 0.2 µm |
| Maximum Roller Diameter, Dw | 40 mm |
| Outer Profile Radius, R | 491 mm |
| Flat-end Recess Depth | - mm |
| Outer Profile Surface Roughness, Ra (µm) | 0.16 µm |
| Material | |
| Small Flat Diameter | 12 mm |
| Flat-end Recess Diameter | - mm |
| Dimensional & Geometrical Accuracy | |
| Roller Diameter Tolerance | -0.02 to +0.02 mm |
| Roller Length Tolerance | -0.16 to 0 mm |
| End-face Runout | - mm |
| Roundness | 0.003 mm |
| Ovality | 0.003 mm |
| Spherical-end Recess Diameter | - mm |
| Spherical-end Recess Depth | - mm |
| Chamfer Geometry | |
| Axial Chamfer | 1.2 mm |
| Axial Chamfer Tolerance | -0.4 to +0.4 mm |
| Radial Chamfer | 1 mm |
| Radial Chamfer Tolerance | -0.4 to +0.4 mm |
40*58.519 40 mm 58.519 mm 351 mm Frequently Asked Questions about 40*58.519 Spherical Rollers
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
The Open Type engineered for 40*58.519 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.
When fitting 40*58.519 over a mm shaft, CHG Bearing strictly recommends uniform induction heating (controlled between 90°C and 110°C) or precision hydraulic press sleeves. Under no circumstances should direct impact blows be struck against the rings or cage, as shock loads cause brinelling indents and premature spalling.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 40*58.519, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
To safeguard CHG Bearing 40*58.519 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.
