Manufactured by CHG Bearing, the M271149DWP5 is a precision Four-Row Tapered Roller Bearings. Key dimensional parameters include a 460 mm bore diameter, a 625 mm outer diameter, and a 421 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.
M271149DWP5 - Four-Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | M271149DWP5 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Four Row Tapered Roller Bearing |
| Number of Rows | Four Row |
| Tolerance Class | P5 |
| Dimensions | |
| Bore Diameter (d) | 460 mm |
| Width (B) | 421 mm |
| Outer Diameter (D) | 625 mm |
| Bore Diameter Tolerance | -0.035 – 0 mm |
| Outside Diameter Tolerance | -0.038 – 0 mm |
| Inner Ring Chamfer | 3 min mm |
| Outer Ring Chamfer | 6 min mm |
| Inner Ring Assembly Width Tolerance | -0.9 – +0.9 mm |
| Outer Ring Assembly Width | 421 mm |
| Outer Ring Assembly Width Tolerance | -0.9 – +0.9 mm |
| Shaft Abutment Diameter | N/A mm |
| Housing Abutment Diameter | N/A mm |
| Lubrication Hole Diameter | 8 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 6980 kN |
| Basic Static Load Rating C0 (kN) | 18620 kN |
| Material | |
| Mass (kg) | 374 kg |
| Ring Material | Case-Hardened Steel / Bearing Steel |
| Rolling Element Material | Case-Hardened Steel / Bearing Steel |
| Cage Material | 08Al Steel |
| Lubrication Groove Width | 15 mm |
M271149DWP5 625 mm 460 mm 421 mm Frequently Asked Questions about M271149DWP5 Four-Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Engineered according to international ISO boundary plans, CHG Bearing supplies M271149DWP5 with a precision bore diameter (d) of 460 mm, an outside diameter (D) of 625 mm, and a nominal ring width (B) of 421 mm. This configuration yields an effective cross-sectional wall thickness of 82.5 mm and an envelope ratio (D/d) of 1.36, delivering compact rigidity for OEM machinery housings.
In its sealed configuration (Open Type), CHG Bearing pre-charges M271149DWP5 with premium wide-temperature lithium-complex or polyurea grease, calibrated to a 30%–35% cavity volume ratio. For open-type variants, synthetic PAO or refined mineral lubricating oils with appropriate EP (Extreme Pressure) additives should be circulated.
Yes, 100% of M271149DWP5 Four-Row Tapered Roller Bearings 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.
As standard production, CHG Bearing subjects M271149DWP5 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.
