Manufactured by CHG Bearing, the M276448DW/M276410-1 is a precision Double Row Tapered Roller Bearings. Key dimensional parameters include a 536.575 mm bore diameter, a 761.873 mm outer diameter, and a 269.875 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.
M276448DW/M276410-1 - Double Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | M276448DW/M276410-1 |
| Brand | CHG® |
| Bearing | Double Row Tapered Roller Bearing |
| Characteristics | |
| Series | 370000 |
| Number of Rows | Double Row |
| Tolerance Class | Class 3 |
| Dimensions | |
| Bore Diameter (d) | 536.575 mm |
| Width (B) | 269.875 mm |
| Outer Diameter (D) | 761.873 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 | -0.254 – +0.076 mm |
| Outer Ring Assembly Width | 269.875 mm |
| Outer Ring Assembly Width Tolerance | -0.762 – +0.762 mm |
| Shaft Abutment Diameter | 575 mm |
| Housing Abutment Diameter | 700 mm |
| Lubrication Hole Diameter | 15 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 5760 kN |
| Basic Static Load Rating C0 (kN) | 14600 kN |
| Material | |
| Mass (kg) | 431 kg |
| Ring Material | Case-Hardened Steel / Bearing Steel |
| Cage Material | 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 27.875 mm |
| Roller Material | Case-Hardened Steel / Bearing Steel |
M276448DW/M276410-1 761.873 mm 536.575 mm Frequently Asked Questions about M276448DW/M276410-1 Double Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing M276448DW/M276410-1 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.
The CHG Bearing M276448DW/M276410-1 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.
Built for demanding industrial environments, the M276448DW/M276410-1 Double Row Tapered Roller Bearings by CHG Bearing boasts a dynamic load rating (Cr) of standard dynamic and a static load threshold (C0r) of standard static. The optimized internal raceway geometry balances stress distribution, mitigating edge loading even when operating under peak mechanical stresses.
Quality starts with raw material selection: CHG Bearing crafts M276448DW/M276410-1 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.
