Manufactured by CHG Bearing, the M274149DW/M274110 is a precision Double Row Tapered Roller Bearings. Key dimensional parameters include a 501.65 mm bore diameter, a 711.2 mm outer diameter, and a 250.825 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.

M274149DW/M274110 - Double Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | M274149DW/M274110 |
| Brand | CHG® |
| Bearing | Double Row Tapered Roller Bearing |
| Characteristics | |
| Series | 370000 |
| Number of Rows | Double Row |
| Tolerance Class | Class 3 |
| Dimensions | |
| Bore Diameter (d) | 501.65 mm |
| Width (B) | 250.825 mm |
| Outer Diameter (D) | 711.2 mm |
| Bore Diameter Tolerance | 0 – +0.025 mm |
| Outside Diameter Tolerance | 0 – +0.038 mm |
| Inner Ring Chamfer | 3.3 min mm |
| Outer Ring Chamfer | 6.4 min mm |
| Inner Ring Assembly Width Tolerance | N/A mm |
| Outer Ring Assembly Width | 250.825 mm |
| Outer Ring Assembly Width Tolerance | N/A mm |
| Shaft Abutment Diameter | 545 mm |
| Housing Abutment Diameter | 655 mm |
| Lubrication Hole Diameter | 15 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 5070 kN |
| Basic Static Load Rating C0 (kN) | 13200 kN |
| Material | |
| Mass (kg) | 331 kg |
| Ring Material | Case-Hardened Steel / Bearing Steel |
| Cage Material | 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 26.101 mm |
| Roller Material | Case-Hardened Steel / Bearing Steel |
M274149DW/M274110 711.2 mm 501.65 mm Frequently Asked Questions about M274149DW/M274110 Double Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
The CHG Bearing M274149DW/M274110 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, 100% of M274149DW/M274110 Double 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.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing M274149DW/M274110 correlates its dynamic capacity (standard dynamic) with equivalent dynamic loads. In controlled industrial settings with proper contamination-free filtration, field data confirms continuous operational longevity exceeding 20,000 to 50,000 service hours.
Absolutely. The CHG Bearing M274149DW/M274110 Double Row Tapered Roller Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF M274149DW/M274110, FAG M274149DW/M274110, NSK M274149DW/M274110. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
