Bearing RNA4904ARD KOYO RNA4904ARD KOYO bearing Size Chart (mm/inches) |
|---|
| Series | 07000 |
| Cone Part Number | 07087X |
| Cup Part Number | 07196 |
| Design Units | Imperial |
| Bearing Weight | 0.10 Kg |
| Cage Type | Stamped Steel |
| d | 22.225 mm |
| D | 50.005 mm |
| B - Cone Width | 14.260 mm |
| C - Cup Width | 9.525 mm |
| B | 13.495 mm |
| R - Cone Backface To Clear Radius1 | 1.520 mm |
| r - Cup Backface To Clear Radius2 | 1.02 mm |
| da - Cone Frontface Backing Diameter | 26.92 mm |
| db - Cone Backface Backing Diameter | 28.96 mm |
| Da - Cup Frontface Backing Diameter | 47.50 mm |
| Db - Cup Backface Backing Diameter | 44.45 mm |
| Ab - Cage-Cone Frontface Clearance | 2 mm |
| Aa - Cage-Cone Backface Clearance | 0 mm |
| a - Effective Center Location3 | -2.8 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 1700 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 6540 lbf |
| C0 - Static Radial Rating | 6650 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 1170 lbf |
| K - Factor7 | 1.45 |
| e - ISO Factor8 | 0.4 |
| Y - ISO Factor9 | 1.49 |
| G1 - Heat Generation Factor (Roller-Raceway) | 7.6 |
| G2 - Heat Generation Factor (Rib-Roller End) | 7.07 |
| Cg - Geometry Factor | 0.0509 |