4CR3 KOYO ROLL NECK BEARINGS for ROLLING MILL
| Brand Name: | KOYO |
| Model Number: | 4CR3 |
| Series: | 43000 |
| Cone Part Number: | 43125 |
| Cup Part Number: | 43300 |
| Design Units: | Imperial |
| Bearing Weight: | 0.5 Kg |
| Cage Type: | Stamped Steel |
| d: | 31.750 mm |
| D: | 76.2 mm |
Product Details
| Series | 43000 |
| Cone Part Number | 43125 |
| Cup Part Number | 43300 |
| Design Units | Imperial |
| Bearing Weight | 0.5 Kg |
| Cage Type | Stamped Steel |
| d | 31.750 mm |
| D | 76.2 mm |
| B - Cone Width | 24.074 mm |
| C - Cup Width | 16.670 mm |
| B | 24.608 mm |
| R - Cone Backface To Clear Radius1 | 1.520 mm |
| r - Cup Backface To Clear Radius2 | 3.30 mm |
| da - Cone Frontface Backing Diameter | 41.40 mm |
| db - Cone Backface Backing Diameter | 43.94 mm |
| Da - Cup Frontface Backing Diameter | 73.90 mm |
| Db - Cup Backface Backing Diameter | 64.01 mm |
| Ab - Cage-Cone Frontface Clearance | 3.3 mm |
| Aa - Cage-Cone Backface Clearance | 2.5 mm |
| a - Effective Center Location3 | -2 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 5360 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 20700 lbf |
| C0 - Static Radial Rating | 17100 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 6130 lbf |
| K - Factor7 | 0.87 |
| e - ISO Factor8 | 0.67 |
| Y - ISO Factor9 | 0.9 |
| G1 - Heat Generation Factor (Roller-Raceway) | 16.8 |
| G2 - Heat Generation Factor (Rib-Roller End) | 7.57 |
| Cg - Geometry Factor | 0.0774 |