| Series |
495 |
| Cone Part Number |
495 |
| Cup Part Number |
493D |
| Design Units |
Imperial |
| Bearing Weight |
7.8 lb |
| Cage Type |
Stamped Steel |
| Ab - Cage-Cone Frontface Clearance |
0.12 in |
| d |
3.2500 in |
| D |
5.3750 in |
| B - Cone Width |
1.1720 in |
| C - Double Cup Width |
2.125 in |
| T - Bearing Width across Cones |
2.7500 in |
| R - Cone Backface To Clear Radius1 |
0.14 in |
| r - Cup Frontface To Clear Radius2 |
0.03 in |
| db - Cone Backface Backing Diameter |
3.82 in |
| Da - Cup Frontface Backing Diameter |
5.16 in |
| Aa - Cage-Cone Backface Clearance |
0.07 in |
| C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 |
9000 lbf |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 |
60500 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 |
15700 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 |
6850 lbf |
| K - Factor7 |
1.31 |
| e - ISO Factor8 |
0.44 |
| Y1 - ISO Factor9 |
1.52 |
| Y2 - ISO Factor10 |
2.26 |
| G1 - Heat Generation Factor (Roller-Raceway)11 |
105 |
| G2 - Heat Generation Factor (Rib-Roller End) |
29.3 |
| Cg - Geometry Factor12 |
0.125 |