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Technical Specification 
The LM29748/10 tapered roller bearing is designed for reliable performance in automotive hubs, trucks, and trailers. This inch-series bearing provides stable load-carrying capability for both radial and axial forces. Constructed from premium-quality steel and processed with advanced heat treatment, it ensures excellent wear resistance and extended service life. Its separable cone and cup allow for easy installation and inspection, reducing downtime in maintenance. With DSBR’s advanced manufacturing and strict quality control, the LM29748/10 delivers superior consistency and global-standard performance, making it an ideal choice for OEM and aftermarket needs.
Technical Specification 
| Specifications | |
| Series | LM29700 |
| Cone Part Number | LM29748N |
| Cup Part Number | LM29710 |
| Design Unit | Inch |
| Cage Material | Stamped Steel |
| Related Assembly Number(s) | LM29748-9X102 |
| Dimensions | |
| d - Bore | 1 1/2 in 38.10 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 3.560 mm |
| r - Cup Backface "To Clear" Radius2 | 0.050 in 1.27 mm |
| da - Cone Frontface Backing Diameter | 1.67 in 42.5 mm |
| db - Cone Backface Backing Diameter | 1.93 in 49 mm |
| Da - Cup Frontface Backing Diameter | 2.46 in 62.00 mm |
| Db - Cup Backface Backing Diameter | 2.32 in 58.93 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 | -0.17 in -4.3 mm |
| Basic Load Ratings | |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 3360 lbf 14900 N |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 12900 lbf 57600 N |
| C0 - Static Radial Rating | 13600 lbf 60300 N |
| Ca90- Dynamic Thrust Rating (90 million revolutions)6 | 1910 lbf 8500 N |
| Factors | |
| K - Factor7 | 1.76 |
| e - ISO Factor8 | 0.33 |
| Y - ISO Factor9 | 1.8 |
| G1 - Heat Generation Factor (Roller-Raceway) | 20.4 |
| G2 - Heat Generation Factor (Rib-Roller End) | 15 |
| Cg - Geometry Factor10 | 0.0666 |
_20250828093537.webp "14138A/14276 Inch Tapered Roller Bearings Provide Professional High-quality Bearings for Over 70 Countries")
