Bearing NN3028 KOYO NN3028 KOYO bearing Size Chart (mm/inches) |
|---|
| Series | 32018X |
| Cone Part Number | XUA32018X |
| Cup Part Number | Y32018XSA |
| Design Units | METRIC |
| Bearing Weight | 2 Kg |
| Cage Type | Stamped Steel |
| d | 84.000 mm |
| D | 140.000 mm |
| B - Cone Width | 32.000 mm |
| C - Cup Width | 24.000 mm |
| B | 32.000 mm |
| R - Cone Backface To Clear Radius1 | 0.510 mm |
| r - Cup Backface To Clear Radius2 | 1.52 mm |
| da - Cone Frontface Backing Diameter | 93.98 mm |
| db - Cone Backface Backing Diameter | 93.98 mm |
| Da - Cup Frontface Backing Diameter | 134.87 mm |
| Db - Cup Backface Backing Diameter | 128.02 mm |
| Ab - Cage-Cone Frontface Clearance | 3 mm |
| Aa - Cage-Cone Backface Clearance | 2.5 mm |
| a - Effective Center Location3 | -2 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 56300 N |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 217000 N |
| C0 - Static Radial Rating | 264000 N |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 40800 N |
| K - Factor7 | 1.38 |
| e - ISO Factor8 | 0.42 |
| Y - ISO Factor9 | 1.42 |
| G1 - Heat Generation Factor (Roller-Raceway) | 127.5 |
| G2 - Heat Generation Factor (Rib-Roller End) | 41.1 |
| Cg - Geometry Factor | 0.132 |