jtekt koyo Size Chart (mm/inches) |
|---|
| Series | 415 |
| Cone Part Number | 416 |
| Cup Part Number | 412A |
| Design Units | Imperial |
| Bearing Weight | 0.8 Kg |
| Cage Type | Stamped Steel |
| d | 30 mm |
| D | 82.550 mm |
| B - Cone Width | 29.083 mm |
| C - Cup Width | 23.813 mm |
| B | 28.578 mm |
| R - Cone Backface To Clear Radius1 | 0.760 mm |
| r - Cup Backface To Clear Radius2 | 1.52 mm |
| da - Cone Frontface Backing Diameter | 38.61 mm |
| db - Cone Backface Backing Diameter | 39.12 mm |
| Da - Cup Frontface Backing Diameter | 77.98 mm |
| Db - Cup Backface Backing Diameter | 73.91 mm |
| Ab - Cage-Cone Frontface Clearance | 1.5 mm |
| Aa - Cage-Cone Backface Clearance | 0.8 mm |
| a - Effective Center Location3 | -9.7 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 6740 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 26000 lbf |
| C0 - Static Radial Rating | 28000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 3040 lbf |
| K - Factor7 | 2.22 |
| e - ISO Factor8 | 0.26 |
| Y - ISO Factor9 | 2.28 |
| G1 - Heat Generation Factor (Roller-Raceway) | 34.4 |
| G2 - Heat Generation Factor (Rib-Roller End) | 9.9 |
| Cg - Geometry Factor | 0.0731 |