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Technical Specification .webp "14276 Inch Tapered Roller Bearings")
The 14125A/14276 tapered roller bearing is widely applied in automotive hubs, agricultural machinery, and light industrial equipment. Built to inch-series dimensions, it efficiently handles combined radial and axial loads. Manufactured from premium alloy steel and treated with advanced processes, it provides exceptional durability, resistance to wear, and long service life. The precision-machined raceways ensure smooth operation and reduced vibration. Its separable structure simplifies installation and maintenance, making it a cost-effective choice for OEMs and aftermarket suppliers. With DSBR’s rigorous inspection and high-level production capabilities, this bearing delivers consistent reliability worldwide.
Technical Specification 
| Specifications | |
| Series | 14000 |
| Cone Part Number | 14125A |
| Cup Part Number | 14276 |
| Design Unit | Inch |
| Cage Material | Stamped Steel |
| Dimensions | |
| d - Bore | 1 1/4 in 31.75 mm |
| D - Cup Outer Diameter | 2.7170 in 69.012 mm |
| B - Cone Width | 0.7710 in 19.583 mm |
| C - Cup Width | 0.6250 in 15.875 mm |
| T - Bearing Width | 0.7813 in 19.845 mm |
| Abutment and Fillet Dimensions | |
| R - Cone Backface "To Clear" Radius1 | 0.14 in 3.600 mm |
| r - Cup Backface "To Clear" Radius2 | 0.050 in 1.27 mm |
| da - Cone Frontface Backing Diameter | 1.54 in 39 mm |
| db - Cone Backface Backing Diameter | 1.77 in 45 mm |
| Da - Cup Frontface Backing Diameter | 2.52 in 63.00 mm |
| Db - Cup Backface Backing Diameter | 2.36 in 59.94 mm |
| Ab - Cage-Cone Frontface Clearance | 0.07 in 1.8 mm |
| Aa - Cage-Cone Backface Clearance | 0.02 in 0.5 mm |
| a - Effective Center Location3 | -0.17 in -4.3 mm |
| Basic Load Ratings | |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 3180 lbf 14200 N |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 12300 lbf 54600 N |
| C0 - Static Radial Rating | 13900 lbf 61700 N |
| Ca90- Dynamic Thrust Rating (90 million revolutions)6 | 2080 lbf 9260 N |
| Factors | |
| K - Factor7 | 1.53 |
| e - ISO Factor8 | 0.38 |
| Y - ISO Factor9 | 1.57 |
| G1 - Heat Generation Factor (Roller-Raceway) | 18 |
| G2 - Heat Generation Factor (Rib-Roller End) | 13.3 |
| Cg - Geometry Factor10 | 0.0668 |
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