6921 KOYO Single-row deep groove ball bearings
| Brand Name: | KOYO |
| Model Number: | 6921 |
| Series: | 220000 |
| Cone Part Number: | EE221018 |
| Design Units: | Imperial |
| Cage Type: | Stamped Steel |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1: | 372000 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2: | 96300 lbf |
| d: | 10.1875 in |
| B - Cone Width: | 2.6563 in |
| PDF |
6921 |
Product Details
| Series | 220000 |
| Cone Part Number | EE221018 |
| Design Units | Imperial |
| Cage Type | Stamped Steel |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 | 372000 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 | 96300 lbf |
| d | 10.1875 in |
| B - Cone Width | 2.6563 in |
| R - Cone Backface To Clear Radius3 | 0.380 in |
| da - Cone Frontface Backing Diameter | 10.98 in |
| db - Cone Backface Backing Diameter | 11.61 in |
| Ab - Cage-Cone Frontface Clearance | 0.27 in |
| Aa - Cage-Cone Backface Clearance | 0.53 in |
| a - Effective Center Location4 | 0.03 in |
| C90 - Dynamic Radial Rating (90 million revolutions)5 | 55300 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)6 | 213000 lbf |
| C0 - Static Radial Rating | 326000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)7 | 37400 lbf |
| K - Factor8 | 1.48 |
| G1 - Heat Generation Factor (Roller-Raceway) | 1320.8 |
| G2 - Heat Generation Factor (Rib-Roller End) | 207.5 |
| Cg - Geometry Factor | 0.150 |
