Bearing 61903-2RS ISB 61903-2RS ISB bearing Size Chart (mm/inches) |
|---|
| Series | 34000 |
| Cone Part Number | 34304 |
| Cup Part Number | 34478D |
| Design Units | Imperial |
| Bearing Weight | 4.07 lb |
| Cage Type | Stamped Steel |
| Ab - Cage-Cone Frontface Clearance | 0.1 in |
| d | 3.0455 in |
| D | 4.7812 in |
| B - Cone Width | 0.9060 in |
| C - Double Cup Width | 1.5000 in |
| T - Bearing Width across Cones | 2.0625 in |
| R - Cone Backface To Clear Radius1 | 0.14 in |
| r - Cup Frontface To Clear Radius2 | 0.03 in |
| db - Cone Backface Backing Diameter | 3.54 in |
| Da - Cup Frontface Backing Diameter | 4.60 in |
| Aa - Cage-Cone Backface Clearance | 0.09 in |
| C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 | 5960 lbf |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 | 40000 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 | 10400 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 4600 lbf |
| K - Factor7 | 1.3 |
| e - ISO Factor8 | 0.45 |
| Y1 - ISO Factor9 | 1.5 |
| Y2 - ISO Factor10 | 2.23 |
| Cg - Geometry Factor11 | 0.109 |