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Technical Specification 
The LM102949/LM102910 tapered roller bearing is designed for precision and durability in automotive hubs, gearboxes, and industrial machinery. Its inch-series design ensures stable load distribution under combined axial and radial forces. Manufactured with high-grade steel and heat-treated for strength, this bearing offers excellent wear resistance and fatigue life. Its separable components allow easy installation and maintenance, reducing downtime. DSBR’s advanced manufacturing process ensures tight tolerances, consistent quality, and cost-effective supply for OEMs and aftermarket users worldwide.
Technical Specification 
| Specifications | |
| Series | LM102900 |
| Cone Part Number | LM102949 |
| Cup Part Number | LM102910 |
| Design Unit | Inch |
| Cage Material | Stamped Steel |
| Related Assembly Number(s) | LM102949-90010 |
| Dimensions | |
| d - Bore | 1.7812 in 45.242 mm |
| D - Cup Outer Diameter | 2.8910 in 73.431 mm |
| B - Cone Width | 0.7800 in 19.812 mm |
| C - Cup Width | 0.6200 in 15.748 mm |
| T - Bearing Width | 0.7700 in 19.558 mm |
| Abutment and Fillet Dimensions | |
| R - Cone Backface "To Clear" Radius1 | 0.14 in 3.560 mm |
| r - Cup Backface "To Clear" Radius2 | 0.030 in 0.76 mm |
| da - Cone Frontface Backing Diameter | 1.97 in 50 mm |
| db - Cone Backface Backing Diameter | 2.2 in 56 mm |
| Da - Cup Frontface Backing Diameter | 2.80 in 71.10 mm |
| Db - Cup Backface Backing Diameter | 2.68 in 68.07 mm |
| Ab - Cage-Cone Frontface Clearance | 0.07 in 1.8 mm |
| Aa - Cage-Cone Backface Clearance | 0.01 in 0.3 mm |
| a - Effective Center Location3 | -0.18 in -4.6 mm |
| Basic Load Ratings | |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 4250 lbf 18900 N |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 16400 lbf 72900 N |
| C0 - Static Radial Rating | 18400 lbf 81800 N |
| Ca90- Dynamic Thrust Rating (90 million revolutions)6 | 2220 lbf 9870 N |
| Factors | |
| K - Factor7 | 1.91 |
| e - ISO Factor8 | 0.31 |
| Y - ISO Factor9 | 1.97 |
| G1 - Heat Generation Factor (Roller-Raceway) | 31.1 |
| G2 - Heat Generation Factor (Rib-Roller End) | 18.8 |
| Cg - Geometry Factor10 | 0.0744 |
