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Technical Specification 
The 15123/15245 tapered roller bearing is a dependable inch-series solution designed for handling both radial and axial loads. This bearing is frequently applied in passenger car wheel hubs, truck axles, and industrial drive systems. With superior heat-treated steel and finely machined raceways, it ensures smooth operation, low vibration, and extended service life. The optimized roller arrangement provides even load distribution, minimizing wear during continuous operation. Its separable design allows for simple installation and cost-effective maintenance. DSBR manufactures this model with rigorous quality standards, offering customers consistent performance and compatibility with leading international brands.
Technical Specification 
| Specifications | |
| Series | 15000 |
| Cone Part Number | 15123 |
| Cup Part Number | 15245 |
| Design Unit | Inch |
| Cage Material | Stamped Steel |
| Related Assembly Number(s) | 15123-903A2 |
| Dimensions | |
| d - Bore | 1 1/4 in 31.75 mm |
| D - Cup Outer Diameter | 2.4409 in 61.999 mm |
| B - Cone Width | 0.7500 in 19.050 mm |
| C - Cup Width | 0.5625 in 14.288 mm |
| T - Bearing Width | 0.7150 in 18.161 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 | 1.52 in 38.5 mm |
| db - Cone Backface Backing Diameter | 1.79 in 45.5 mm |
| Da - Cup Frontface Backing Diameter | 2.30 in 58.42 mm |
| Db - Cup Backface Backing Diameter | 2.17 in 55.12 mm |
| Ab - Cage-Cone Frontface Clearance | 0.1 in 2.5 mm |
| Aa - Cage-Cone Backface Clearance | -0.01 in -0.3 mm |
| a - Effective Center Location3 | -0.19 in -4.8 mm |
| Basic Load Ratings | |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 3490 lbf 15500 N |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 13500 lbf 59900 N |
| C0 - Static Radial Rating | 12100 lbf 53900 N |
| Ca90- Dynamic Thrust Rating (90 million revolutions)6 | 2090 lbf 9310 N |
| Factors | |
| K - Factor7 | 1.67 |
| e - ISO Factor8 | 0.35 |
| Y - ISO Factor9 | 1.71 |
| G1 - Heat Generation Factor (Roller-Raceway) | 14.6 |
| G2 - Heat Generation Factor (Rib-Roller End) | 10 |
| Cg - Geometry Factor10 | 0.0606 |
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