SB7255 KOYO Single-row deep groove ball bearings
| Brand Name: | KOYO |
| Model Number: | SB7255 |
| Series: | 755 |
| Cone Part Number: | 766 |
| Design Units: | Imperial |
| Cage Type: | Stamped Steel |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1: | 128000 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2: | 33200 lbf |
| d: | 3.5000 in |
| B - Cone Width: | 1.9000 in |
| PDF |
SB7255 |
Product Details
| Series | 755 |
| Cone Part Number | 766 |
| Design Units | Imperial |
| Cage Type | Stamped Steel |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 | 128000 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 | 33200 lbf |
| d | 3.5000 in |
| B - Cone Width | 1.9000 in |
| R - Cone Backface To Clear Radius3 | 0.280 in |
| da - Cone Frontface Backing Diameter | 3.9 in |
| db - Cone Backface Backing Diameter | 4.45 in |
| Ab - Cage-Cone Frontface Clearance | 0.07 in |
| Aa - Cage-Cone Backface Clearance | 0.11 in |
| a - Effective Center Location4 | -0.47 in |
| C90 - Dynamic Radial Rating (90 million revolutions)5 | 19100 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)6 | 73600 lbf |
| C0 - Static Radial Rating | 99200 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)7 | 11100 lbf |
| K - Factor8 | 1.71 |
| G1 - Heat Generation Factor (Roller-Raceway) | 177.2 |
| G2 - Heat Generation Factor (Rib-Roller End) | 29.4 |
| Cg - Geometry Factor | 0.0945 |
