QJF228MB TIMKEN Four point contact ball bearings
| Brand Name: | TIMKEN |
| Model Number: | QJF228MB |
| Series: | 15000 |
| Cone Part Number: | 15120A |
| Design Units: | Imperial |
| Cage Type: | Stamped Steel |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1: | 23400 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2: | 6080 lbf |
| d: | 1.1880 in |
| B - Cone Width: | 0.8125 in |
Product Details
| Series | 15000 |
| Cone Part Number | 15120A |
| Design Units | Imperial |
| Cage Type | Stamped Steel |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 | 23400 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 | 6080 lbf |
| d | 1.1880 in |
| B - Cone Width | 0.8125 in |
| R - Cone Backface To Clear Radius3 | 0.02 in |
| da - Cone Frontface Backing Diameter | 1.4 in |
| db - Cone Backface Backing Diameter | 1.4 in |
| Ab - Cage-Cone Frontface Clearance | 0.07 in |
| Aa - Cage-Cone Backface Clearance | 0.03 in |
| a - Effective Center Location4 | -0.23 in |
| C90 - Dynamic Radial Rating (90 million revolutions)5 | 3490 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)6 | 13500 lbf |
| C0 - Static Radial Rating | 12100 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)7 | 2090 lbf |
| K - Factor8 | 1.67 |
| G1 - Heat Generation Factor (Roller-Raceway) | 14.6 |
| G2 - Heat Generation Factor (Rib-Roller End) | 10 |
| Cg - Geometry Factor | 0.0606 |