Manufactured by CHG Bearing, the 45T6156 is a precision Double Row Tapered Roller Bearings. Key dimensional parameters include a 305.003 mm bore diameter, a 559.867 mm outer diameter, and a 169.977 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.
45T6156 - Double Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 45T6156 |
| Brand | CHG® |
| Bearing | Double Row Tapered Roller Bearing |
| Characteristics | |
| Series | 370000 |
| Number of Rows | Double Row |
| Tolerance Class | Class 3 |
| Dimensions | |
| Bore Diameter (d) | 305.003 mm |
| Width (B) | 169.977 mm |
| Outer Diameter (D) | 559.867 mm |
| Bore Diameter Tolerance | 0 – +0.025 mm |
| Outside Diameter Tolerance | 0 – +0.025 mm |
| Inner Ring Chamfer | SP mm |
| Outer Ring Chamfer | SP mm |
| Inner Ring Assembly Width Tolerance | -0.406 – +0.406 mm |
| Outer Ring Assembly Width | 176.352 mm |
| Outer Ring Assembly Width Tolerance | -0.406 – +0.406 mm |
| Shaft Abutment Diameter | 348 mm |
| Housing Abutment Diameter | 494 mm |
| Lubrication Hole Diameter | 8 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 1950 kN |
| Basic Static Load Rating C0 (kN) | 3670 kN |
| Material | |
| Mass (kg) | 170 kg |
| Ring Material | Case-Hardened Steel / Bearing Steel |
| Cage Material | 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 16 mm |
| Roller Material | Bearing Steel |
45T6156 559.867 mm 305.003 mm Frequently Asked Questions about 45T6156 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 45T6156 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.
Engineered according to international ISO boundary plans, CHG Bearing supplies 45T6156 with a precision bore diameter (d) of 305.003 mm, an outside diameter (D) of 559.867 mm, and a nominal ring width (B) of 169.977 mm. This configuration yields an effective cross-sectional wall thickness of 127.4 mm and an envelope ratio (D/d) of 1.84, delivering compact rigidity for OEM machinery housings.
To ensure optimum performance of CHG Bearing 45T6156 Double Row Tapered Roller Bearings under general rotational loads, our application engineers advise an inner-ring shaft tolerance of m5 or k5 for the 305.003 mm bore. For the 559.867 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
To safeguard CHG Bearing 45T6156 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (305.003 mm x 559.867 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
