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Technical Specification 
The DSBR 395A/394A tapered roller bearing is engineered for high performance under heavy loads. It is manufactured from premium bearing steel and precision-ground for superior accuracy and durability. Widely used in trucks, trailers, heavy-duty machinery, and gear systems, this inch-series bearing offers outstanding operational stability and reduced friction. Its separable components allow for easy assembly and maintenance, improving efficiency. With DSBR’s advanced production processes and international quality certifications, this model provides a reliable, cost-effective option for distributors and OEMs. DSBR delivers competitive pricing, global support, and excellent logistics for all bearing orders.
Technical Specification 
| Specifications | |
| Series | 395 |
| Cone Part Number | 395A |
| Cup Part Number | 394A |
| Design Unit | Inch |
| Cage Material | Stamped Steel |
| Dimensions | |
| d - Bore | 2.6250 in 66.675 mm |
| D - Cup Outer Diameter | 4.3307 in 110 mm |
| B - Cone Width | 0.8660 in 21.996 mm |
| C - Cup Width | 0.7411 in 18.824 mm |
| T - Bearing Width | 0.8661 in 21.999 mm |
| Abutment and Fillet Dimensions | |
| R - Cone Backface "To Clear" Radius1 | 0.03 in 0.800 mm |
| r - Cup Backface "To Clear" Radius2 | 0.050 in 1.27 mm |
| da - Cone Frontface Backing Diameter | 2.87 in 73 mm |
| db - Cone Backface Backing Diameter | 2.87 in 73 mm |
| Da - Cup Frontface Backing Diameter | 4.15 in 105.40 mm |
| Db - Cup Backface Backing Diameter | 3.98 in 101.09 mm |
| Ab - Cage-Cone Frontface Clearance | 0.11 in 2.8 mm |
| Aa - Cage-Cone Backface Clearance | 0.05 in 1.3 mm |
| a - Effective Center Location3 | -0.03 in -0.8 mm |
| Basic Load Ratings | |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 5760 lbf 25600 N |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 22200 lbf 98900 N |
| C0 - Static Radial Rating | 28100 lbf 125000 N |
| Ca90- Dynamic Thrust Rating (90 million revolutions)6 | 3970 lbf 17600 N |
| Factors | |
| K - Factor7 | 1.45 |
| e - ISO Factor8 | 0.4 |
| Y - ISO Factor9 | 1.49 |
| G1 - Heat Generation Factor (Roller-Raceway) | 56 |
| G2 - Heat Generation Factor (Rib-Roller End) | 21.4 |
| Cg - Geometry Factor10 | 0.0984 |
