Bearing TBR 25 NBS TBR 25 NBS bearing Size Chart (mm/inches) |
|---|
| Series | 99000 |
| Cone Part Number | 99591 |
| Cup Part Number | 99097 |
| Design Units | Imperial |
| Bearing Weight | 12.7 Kg |
| Cage Type | Stamped Steel |
| d | 149.974 mm |
| D | 249.974 mm |
| B - Cone Width | 71.438 mm |
| C - Cup Width | 53.401 mm |
| B | 66.675 mm |
| R - Cone Backface To Clear Radius1 | 3.300 mm |
| r - Cup Backface To Clear Radius2 | 3.05 mm |
| da - Cone Frontface Backing Diameter | 167.89 mm |
| db - Cone Backface Backing Diameter | 170.94 mm |
| Da - Cup Frontface Backing Diameter | 240.80 mm |
| Db - Cup Backface Backing Diameter | 226.06 mm |
| Ab - Cage-Cone Frontface Clearance | 0.8 mm |
| Aa - Cage-Cone Backface Clearance | 8.6 mm |
| a - Effective Center Location3 | -12.2 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 34100 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 132000 lbf |
| C0 - Static Radial Rating | 211000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 23800 lbf |
| K - Factor7 | 1.43 |
| e - ISO Factor8 | 0.41 |
| Y - ISO Factor9 | 1.47 |
| G1 - Heat Generation Factor (Roller-Raceway) | 521.2 |
| G2 - Heat Generation Factor (Rib-Roller End) | 69.2 |
| Cg - Geometry Factor | 0.143 |