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Technical Specification 
The LM501349/LM501310 tapered roller bearing is designed for high load-carrying applications in trucks, agricultural machines, and construction equipment. Its inch-series geometry delivers stable support for axial and radial loads. Produced from premium alloy steel, it offers excellent wear resistance and extended service life. The bearing’s separable structure facilitates easier installation and maintenance, reducing operational downtime. Backed by DSBR’s global-standard manufacturing and stringent quality testing, this model guarantees reliability and cost-effectiveness, making it highly suitable for OEMs and aftermarket distribution worldwide.
Technical Specification 
| Specifications | |
| Series | LM501300 |
| Cone Part Number | LM501349 |
| Cup Part Number | LM501310 |
| Design Unit | Inch |
| Cage Material | Stamped Steel |
| Related Assembly Number(s) | LM501349-90011 LM501349-90499 LM501349-9X096 |
| Dimensions | |
| d - Bore | 1 5/8 in 41.275 mm |
| D - Cup Outer Diameter | 2.8910 in 73.431 mm |
| B - Cone Width | 0.7800 in 19.812 mm |
| C - Cup Width | 0.5800 in 14.732 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 | 1.89 in 48 mm |
| db - Cone Backface Backing Diameter | 2.13 in 54 mm |
| Da - Cup Frontface Backing Diameter | 2.80 in 71.10 mm |
| Db - Cup Backface Backing Diameter | 2.64 in 67.06 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 | -0.13 in -3.3 mm |
| Basic Load Ratings | |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 4360 lbf 19400 N |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 16800 lbf 74800 N |
| C0 - Static Radial Rating | 16700 lbf 74200 N |
| Ca90- Dynamic Thrust Rating (90 million revolutions)6 | 2980 lbf 13300 N |
| Factors | |
| K - Factor7 | 1.46 |
| e - ISO Factor8 | 0.4 |
| Y - ISO Factor9 | 1.5 |
| G1 - Heat Generation Factor (Roller-Raceway) | 23.3 |
| G2 - Heat Generation Factor (Rib-Roller End) | 13.3 |
| Cg - Geometry Factor10 | 0.0739 |
