Fersa F18021 deep groove ball bearings
We work closely with our Fersa F18021 deep groove ball bearings manufacturing Imperial Design Units partners to bring the best value 290000 Series to customers.
| Series | 290000 |
| Cone Part Number | EE291201 |
| Design Units | Imperial |
| Cage Type | Stamped Steel |
| C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)1 | 347000 lbf |
| C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)2 | 90000 lbf |
| d | 12 in |
| B – Cone Width | 2.4375 in |
| R – Cone Backface To Clear Radius3 | 0.310 in |
| da – Cone Frontface Backing Diameter | 12.76 in |
| db – Cone Backface Backing Diameter | 13.27 in |
| Ab – Cage-Cone Frontface Clearance | 0.34 in |
| Aa – Cage-Cone Backface Clearance | 0.4 in |
| a – Effective Center Location4 | 0.3 in |
| C90 – Dynamic Radial Rating (90 million revolutions)5 | 51700 lbf |
| C1 – Dynamic Radial Rating (1 million revolutions)6 | 199000 lbf |
| C0 – Static Radial Rating | 312000 lbf |
| Ca90 – Dynamic Thrust Rating (90 million revolutions)7 | 33400 lbf |
| K – Factor8 | 1.55 |
| G1 – Heat Generation Factor (Roller-Raceway) | 1580 |
| G2 – Heat Generation Factor (Rib-Roller End) | 245 |
| Cg – Geometry Factor | 0.156 |
Detailed Parameters
parameter：
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