Technical Specification
The LM48548/LM48510 tapered roller bearing provides dependable performance for automotive wheel hubs, trailers, and agricultural equipment. With its inch-series design, it delivers strong support for combined radial and axial loads. Made from high-grade steel with advanced heat treatment, it ensures outstanding durability, low noise, and minimal vibration. The optimized roller geometry guarantees even load distribution, reducing wear and extending service life. Its separable construction allows easy assembly and servicing, making it a cost-efficient choice. DSBR manufactures this model under strict global standards, ensuring quality and long-term reliability for OEM and aftermarket supply.
Technical Specification
| Specifications | |
| Series | LM48500 |
| Cone Part Number | LM48548 |
| Cup Part Number | LM48510 |
| Design Unit | Inch |
| Cage Material | Stamped Steel |
| Related Assembly Number(s) | LM48548-90299 LM48548-902C6 |
| Dimensions | |
| d - Bore | 1 3/8 in 34.925 mm |
| D - Cup Outer Diameter | 2.5625 in 65.088 mm |
| B - Cone Width | 0.7200 in 18.288 mm |
| C - Cup Width | 0.5500 in 13.970 mm |
| T - Bearing Width | 0.71 in 18.034 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 | 2.44 in 61.00 mm |
| Db - Cup Backface Backing Diameter | 2.28 in 57.91 mm |
| Ab - Cage-Cone Frontface Clearance | 0.08 in 2 mm |
| Aa - Cage-Cone Backface Clearance | 0.01 in 0.3 mm |
| a - Effective Center Location3 | -0.15 in -3.8 mm |
| Basic Load Ratings | |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 3760 lbf 16700 N |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 14500 lbf 64600 N |
| C0 - Static Radial Rating | 14200 lbf 63100 N |
| Ca90- Dynamic Thrust Rating (90 million revolutions)6 | 2430 lbf 10800 N |
| Factors | |
| K - Factor7 | 1.55 |
| e - ISO Factor8 | 0.38 |
| Y - ISO Factor9 | 1.59 |
| Cg - Geometry Factor10 | 0.0666 |
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