Manufactured by CHG Bearing, the M383240D/M383210 is a precision Double Row Tapered Roller Bearings. Key dimensional parameters include a 714.375 mm bore diameter, a 1016 mm outer diameter, and a 339.725 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.
M383240D/M383210 - Double Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | M383240D/M383210 |
| Brand | CHG® |
| Bearing | Double Row Tapered Roller Bearing |
| Characteristics | |
| Series | 370000 |
| Number of Rows | Double Row |
| Tolerance Class | Class 3 |
| Dimensions | |
| Bore Diameter (d) | 714.375 mm |
| Width (B) | 339.725 mm |
| Outer Diameter (D) | 1016 mm |
| Bore Diameter Tolerance | 0 – +0.038 mm |
| Outside Diameter Tolerance | 0 – +0.051 mm |
| Inner Ring Chamfer | 6.4 mm |
| Outer Ring Chamfer | 3.2 mm |
| Inner Ring Assembly Width Tolerance | -0.762 – +0.762 mm |
| Outer Ring Assembly Width | 339.725 mm |
| Outer Ring Assembly Width Tolerance | -0.762 – +0.762 mm |
| Shaft Abutment Diameter | 775 mm |
| Housing Abutment Diameter | 990 mm |
| Lubrication Hole Diameter | 12 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 9740 kN |
| Basic Static Load Rating C0 (kN) | 26100 kN |
| Material | |
| Mass (kg) | 924 kg |
| Ring Material | Case-Hardened Steel / Bearing Steel |
| Cage Material | Grade 45 Steel / 08Al Steel / 15# |
| Lubrication Groove Width | 32 mm |
| Roller Material | Case-Hardened Steel / Bearing Steel |
M383240D/M383210 1016 mm 714.375 mm Frequently Asked Questions about M383240D/M383210 Double Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Every production batch of CHG Bearing M383240D/M383210 Double Row Tapered Roller Bearings comes with complete traceability. Upon shipment, CHG Bearing can provide EN 10204 3.1 Material Test Reports (MTR), Certificates of Conformity (CoC), spectral chemical composition analysis, and dimensional inspection sheets.
To safeguard CHG Bearing M383240D/M383210 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (714.375 mm x 1016 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
As standard production, CHG Bearing subjects M383240D/M383210 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.
Model M383240D/M383210 is manufactured by CHG Bearing in standard Normal clearance (CN) for ambient temperature transmission, and C3 or C4 clearance for heavy duty applications. C3 clearance compensates for radial shrinkage caused by tight shaft press-fits (bore 714.375 mm) and steep thermal gradients between inner and outer rings.
