Manufactured by CHG Bearing, the M274149TD/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.
M274149TD/M274110 - Double Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | M274149TD/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 | 690 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 |
M274149TD/M274110 711.2 mm 501.65 mm Frequently Asked Questions about M274149TD/M274110 Double 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 M274149TD/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.
Model M274149TD/M274110 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 501.65 mm) and steep thermal gradients between inner and outer rings.
To safeguard CHG Bearing M274149TD/M274110 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (501.65 mm x 711.2 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
Yes, 100% of M274149TD/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.
