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Technical Specification 
The L68149/L68111 tapered roller bearing is designed for high durability and precise load distribution. Suitable for automotive axles, trailers, and industrial machinery, it supports combined radial and axial forces with stability. The bearing is made from high-quality steel, ensuring excellent fatigue resistance and reduced wear in demanding environments. Its separable components simplify assembly and inspection, improving efficiency in maintenance. Manufactured under DSBR’s strict quality management system, this inch-series bearing offers consistent performance and extended service life, making it a reliable choice for OEMs and aftermarket distributors worldwide.
Technical Specification 
| Specifications | |
| Series | L68100 |
| Cone Part Number | L68149 |
| Cup Part Number | L68111 |
| Design Unit | Inch |
| Cage Material | Stamped Steel |
| Related Assembly Number(s) | L68149-90473 |
| Dimensions | |
| d - Bore | 1.3775 in 34.989 mm |
| D - Cup Outer Diameter | 2.3612 in 59.974 mm |
| B - Cone Width | 0.6600 in 16.764 mm |
| C - Cup Width | 0.4700 in 11.938 mm |
| T - Bearing Width | 0.6250 in 15.875 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 | 1.54 in 39 mm |
| db - Cone Backface Backing Diameter | 1.79 in 45.5 mm |
| Da - Cup Frontface Backing Diameter | 2.24 in 55.90 mm |
| Db - Cup Backface Backing Diameter | 2.09 in 53.09 mm |
| Ab - Cage-Cone Frontface Clearance | 0.06 in 1.5 mm |
| Aa - Cage-Cone Backface Clearance | 0.01 in 0.3 mm |
| a - Effective Center Location3 | -0.1 in -2.5 mm |
| Basic Load Ratings | |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 2650 lbf 11800 N |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 10200 lbf 45500 N |
| C0 - Static Radial Rating | 11000 lbf 48700 N |
| Ca90- Dynamic Thrust Rating (90 million revolutions)6 | 1890 lbf 8400 N |
| Factors | |
| K - Factor7 | 1.4 |
| e - ISO Factor8 | 0.42 |
| Y - ISO Factor9 | 1.44 |
| G1 - Heat Generation Factor (Roller-Raceway) | 15.7 |
| G2 - Heat Generation Factor (Rib-Roller End) | 14.7 |
| Cg - Geometry Factor10 | 0.0657 |
.webp "M88048/M88010 Inch Tapered Roller Bearings Provide Professional High-quality Bearings for Over 70 Countries")
