Manufactured by CHG Bearing, the M274149D/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.

M274149D/M274110 - Double Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | M274149D/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 | 6.4 mm |
| Outer Ring Chamfer | 3.2 mm |
| Inner Ring Assembly Width Tolerance | -0.406 – +0.406 mm |
| Outer Ring Assembly Width | 250.825 mm |
| Outer Ring Assembly Width Tolerance | -0.406 – +0.406 mm |
| Shaft Abutment Diameter | 545 mm |
| Housing Abutment Diameter | 685 mm |
| Lubrication Hole Diameter | 10 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 4810 kN |
| Basic Static Load Rating C0 (kN) | 12800 kN |
| Material | |
| Mass (kg) | 323 kg |
| Ring Material | Case-Hardened Steel / Bearing Steel |
| Cage Material | 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 24 mm |
| Roller Material | Case-Hardened Steel / Bearing Steel |
M274149D/M274110 711.2 mm 501.65 mm Frequently Asked Questions about M274149D/M274110 Double Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes, 100% of M274149D/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.
Sourcing M274149D/M274110 directly from CHG Bearing eliminates intermediate brokerage markups while granting you factory-direct engineering backup, rigorous ISO-certified quality assurance, competitive volume wholesale pricing, and dependable supply chain stability for Double Row Tapered Roller Bearings.
Engineered according to international ISO boundary plans, CHG Bearing supplies M274149D/M274110 with a precision bore diameter (d) of 501.65 mm, an outside diameter (D) of 711.2 mm, and a nominal ring width (B) of 250.825 mm. This configuration yields an effective cross-sectional wall thickness of 104.8 mm and an envelope ratio (D/d) of 1.42, delivering compact rigidity for OEM machinery housings.
Quality starts with raw material selection: CHG Bearing crafts M274149D/M274110 inner and outer rings from high-purity High-Quality Chrome Steel (GCr15/100Cr6). Our raw billets undergo vacuum degassing and secondary ESR (electroslag remelting) processes to drastically eliminate non-metallic sulfide and oxide inclusions, elevating subsurface contact fatigue resistance.
