Check Distributor SKF HE 221 bearing Size Chart (mm/inches) |
|---|
| Series | 538000 |
| Cone Part Number | EE538261 |
| Cup Part Number | 538370 |
| Design Units | Imperial |
| Bearing Weight | 275.400 Kg |
| Cage Type | Pin-Type |
| d | 660.400 mm |
| D | 939.800 mm |
| B - Cone Width | 127.000 mm |
| C - Cup Width | 98.425 mm |
| B | 136.528 mm |
| R - Cone Backface To Clear Radius1 | 6.35 mm |
| r - Cup Backface To Clear Radius2 | 6.35 mm |
| da - Cone Frontface Backing Diameter | 695.96 mm |
| db - Cone Backface Backing Diameter | 707.90 mm |
| Da - Cup Frontface Backing Diameter | 889.50 mm |
| Db - Cup Backface Backing Diameter | 876.05 mm |
| Ab - Cage-Cone Frontface Clearance | 10.4 mm |
| Aa - Cage-Cone Backface Clearance | 20.1 mm |
| a - Effective Center Location3 | 30.7 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 207000 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 800000 lbf |
| C0 - Static Radial Rating | 1750000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 144000 lbf |
| K - Factor7 | 1.44 |
| e - ISO Factor8 | 0.41 |
| Y - ISO Factor9 | 1.48 |
| G1 - Heat Generation Factor (Roller-Raceway) | 11455.4 |
| G2 - Heat Generation Factor (Rib-Roller End) | 802.1 |
| Cg - Geometry Factor | 0.308 |