Manufactured by CHG Bearing, the EE275106D/275158 is a precision Double Row Tapered Roller Bearings. Key dimensional parameters include a 266.7 mm bore diameter, a 403.225 mm outer diameter, and a 122.24 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.
EE275106D/275158 - Double Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | EE275106D/275158 |
| Brand | CHG® |
| Bearing | Double Row Tapered Roller Bearing |
| Characteristics | |
| Series | 370000 |
| Number of Rows | Double Row |
| Tolerance Class | Class 3 |
| Dimensions | |
| Bore Diameter (d) | 266.7 mm |
| Width (B) | 122.24 mm |
| Outer Diameter (D) | 403.225 mm |
| Bore Diameter Tolerance | 0 – +0.013 mm |
| Outside Diameter Tolerance | 0 – +0.025 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 | 130.175 mm |
| Outer Ring Assembly Width Tolerance | -0.406 – +0.406 mm |
| Shaft Abutment Diameter | 309 mm |
| Housing Abutment Diameter | 384.4 mm |
| Lubrication Hole Diameter | 7 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 1270 kN |
| Basic Static Load Rating C0 (kN) | 3090 kN |
| Material | |
| Mass (kg) | 59.4 kg |
| Ring Material | Bearing Steel |
| Cage Material | 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 14 mm |
| Roller Material | Bearing Steel |
EE275106D/275158 403.225 mm 266.7 mm Frequently Asked Questions about EE275106D/275158 Double Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To extend the trouble-free lifespan of CHG Bearing EE275106D/275158, preventive maintenance routines should monitor operating housing temperature (normally maintaining below 70°C) and conduct regular vibration FFT analysis to identify early raceway micro-pitting before unexpected line halts occur.
In its sealed configuration (Open Type), CHG Bearing pre-charges EE275106D/275158 with premium wide-temperature lithium-complex or polyurea grease, calibrated to a 30%–35% cavity volume ratio. For open-type variants, synthetic PAO or refined mineral lubricating oils with appropriate EP (Extreme Pressure) additives should be circulated.
Engineered according to international ISO boundary plans, CHG Bearing supplies EE275106D/275158 with a precision bore diameter (d) of 266.7 mm, an outside diameter (D) of 403.225 mm, and a nominal ring width (B) of 122.24 mm. This configuration yields an effective cross-sectional wall thickness of 68.3 mm and an envelope ratio (D/d) of 1.51, delivering compact rigidity for OEM machinery housings.
To ensure optimum performance of CHG Bearing EE275106D/275158 Double Row Tapered Roller Bearings under general rotational loads, our application engineers advise an inner-ring shaft tolerance of m5 or k5 for the 266.7 mm bore. For the 403.225 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
