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Technical Specification 
The L68149/L68110 tapered roller bearing is a high-precision inch-series bearing widely used in passenger cars, trailers, and agricultural equipment. Manufactured from premium-grade steel with advanced heat treatment, it ensures exceptional load-bearing capacity and wear resistance. Its design provides optimal support for both radial and axial loads, ensuring reliable performance even under continuous operation. The separable cone and cup simplify maintenance, reducing downtime. DSBR’s factory applies advanced machining technology and rigorous quality checks to guarantee bearings that meet international OEM standards, ensuring both long service life and cost-effectiveness.
Technical Specification 
| Specifications | |
| Series | L68100 |
| Cone Part Number | L68149 |
| Cup Part Number | L68110 |
| Design Unit | Inch |
| Cage Material | Stamped Steel |
| Related Assembly Number(s) | L68149-902A2 L68149-90404 |
| Dimensions | |
| d - Bore | 1.3775 in 34.989 mm |
| D - Cup Outer Diameter | 2.3280 in 59.131 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 |
_20250828093537.webp "14138A/14276 Inch Tapered Roller Bearings Provide Professional High-quality Bearings for Over 70 Countries")
