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Technical Specification 
The 15126/15245 tapered roller bearing set is engineered for strength and durability in demanding environments. With its inch-series standard, it is widely used in trucks, trailers, and industrial machinery requiring reliable axial and radial load handling. The precision-ground raceways ensure smooth motion with reduced friction, while the hardened bearing steel guarantees excellent resistance to wear and fatigue. Easy to mount and service, this bearing is ideal for OEM replacements and aftermarket supply. DSBR applies strict inspection and advanced production methods, making this model a trusted choice for customers seeking long-lasting and cost-effective bearing solutions.
Technical Specification 
| Specifications | |
| Series | 15000 |
| Cone Part Number | 15126 |
| Cup Part Number | 15245 |
| Design Unit | Inch |
| Cage Material | Stamped Steel |
| Related Assembly Number(s) | 15126-90063 |
| Dimensions | |
| d - Bore | 1 1/4 in 31.75 mm |
| D - Cup Outer Diameter | 2.4409 in 61.999 mm |
| B - Cone Width | 0.8125 in 20.638 mm |
| C - Cup Width | 0.5625 in14.288 mm |
| T - Bearing Width | 0.75 in 19.05 mm |
| Abutment and Fillet Dimensions | |
| R - Cone Backface "To Clear" Radius1 | 0.03 in 0.800 mm |
| r - Cup Backface "To Clear" Radius2 | 0.050 in 1.27 mm |
| da - Cone Frontface Backing Diameter | 1.5 in 38 mm |
| db - Cone Backface Backing Diameter | 1.52 in 38.5 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 | 0.07 in 1.8 mm |
| Aa - Cage-Cone Backface Clearance | 0.03 in 0.8 mm |
| a - Effective Center Location3 | -0.23 in -5.8 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) | 7.58 |
| Cg - Geometry Factor10 | 0.0606 |
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