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Technical Specification 
_20250828093537.webp "14276 Inch Tapered Roller Bearings")
The 14138A/14276 tapered roller bearing is engineered for precision and durability in demanding automotive and industrial applications. Built from heat-treated alloy steel, it ensures excellent resistance to fatigue and wear. This inch-series bearing is optimized to handle both radial and axial loads, delivering smooth operation and longer service life. With its separable cone and cup design, installation and maintenance are straightforward, saving time and costs. DSBR’s advanced factory capabilities and strict quality control ensure reliable supply and consistent performance. Perfect for OEMs and aftermarket distributors worldwide.
Technical Specification 
| Specifications | |
| Series | 14000 |
| Cone Part Number | 14138A |
| Cup Part Number | 14276 |
| Design Unit | Inch |
| Cage Material | Stamped Steel |
| Dimensions | |
| d - Bore | 1 3/8 in 34.925 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 | 1.63 in 41.5 mm |
| db - Cone Backface Backing Diameter | 1.89 in 48 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 |
.webp "M88048/M88010 Inch Tapered Roller Bearings Provide Professional High-quality Bearings for Over 70 Countries")
