| Series |
LM121900 |
| Cone Part Number |
LM121948D |
| Cup Part Number |
LM121911 |
| Design Units |
Imperial |
| Bearing Weight |
7.9 lb |
| Cage Type |
Stamped Steel |
| Aa - Cage-Cone Backface Clearance |
0 in |
| d |
4.25 in |
| D |
6.0000 in |
| B - Double Cone Width |
2.5625 in |
| C - Cup Width |
1.1250 in |
| T - Bearing Width across Cups |
2.5624 in |
| R - Cone Frontface To Clear Radius1 |
0.030 in |
| r - Cup Backface To Clear Radius2 |
0.130 in |
| da - Cone Frontface Backing Diameter |
4.53 in |
| Db - Cup Backface Backing Diameter |
5.51 in |
| Ab - Cage-Cone Frontface Clearance |
-0.03 in |
| C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 |
9810 lbf |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 |
65900 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 |
17100 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 |
4740 lbf |
| K - Factor7 |
2.07 |
| e - ISO Factor8 |
0.28 |
| Y1 - ISO Factor9 |
2.39 |
| Y2 - ISO Factor10 |
3.56 |
| G1 - Heat Generation Factor (Roller-Raceway)11 |
218 |
| Cg - Geometry Factor12 |
0.137 |