| Series |
78000 |
| Cone Part Number |
78251D |
| Cup Part Number |
78571 |
| Design Units |
Imperial |
| Bearing Weight |
10.8 lb |
| Cage Type |
Stamped Steel |
| Aa - Cage-Cone Backface Clearance |
0 in |
| d |
2.5000 in |
| D |
5.7080 in |
| B - Double Cone Width |
2.5980 in |
| C - Cup Width |
0.9058 in |
| T - Bearing Width across Cups |
2.5616 in |
| R - Cone Frontface To Clear Radius1 |
0.090 in |
| r - Cup Backface To Clear Radius2 |
0.140 in |
| da - Cone Frontface Backing Diameter |
3.11 in |
| Db - Cup Backface Backing Diameter |
4.65 in |
| Ab - Cage-Cone Frontface Clearance |
0.08 in |
| C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 |
9970 lbf |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 |
66900 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 |
17400 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 |
14800 lbf |
| K - Factor7 |
0.67 |
| e - ISO Factor8 |
0.87 |
| Y1 - ISO Factor9 |
0.78 |
| Y2 - ISO Factor10 |
1.16 |
| G1 - Heat Generation Factor (Roller-Raceway)11 |
62.6 |
| G2 - Heat Generation Factor (Rib-Roller End) |
19.1 |
| Cg - Geometry Factor12 |
0.0884 |