N221 KOYO Single-row cylindrical roller bearings
| Brand Name: | KOYO |
| Model Number: | N221 |
| Series: | 3700 |
| Cone Part Number: | 3760 |
| Design Units: | Imperial |
| Cage Type: | Stamped Steel |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1: | 47800 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2: | 12400 lbf |
| d: | 1.7500 in |
| B - Cone Width: | 1.4430 in |
| PDF |
N221 |
Product Details
| Series | 3700 |
| Cone Part Number | 3760 |
| Design Units | Imperial |
| Cage Type | Stamped Steel |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 | 47800 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 | 12400 lbf |
| d | 1.7500 in |
| B - Cone Width | 1.4430 in |
| R - Cone Backface To Clear Radius3 | 0.14 in |
| da - Cone Frontface Backing Diameter | 2.05 in |
| db - Cone Backface Backing Diameter | 2.28 in |
| Ab - Cage-Cone Frontface Clearance | 0.06 in |
| Aa - Cage-Cone Backface Clearance | 0.31 in |
| a - Effective Center Location4 | -0.57 in |
| C90 - Dynamic Radial Rating (90 million revolutions)5 | 7120 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)6 | 27500 lbf |
| C0 - Static Radial Rating | 34300 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)7 | 4120 lbf |
| K - Factor8 | 1.73 |
| G1 - Heat Generation Factor (Roller-Raceway) | 49.9 |
| G2 - Heat Generation Factor (Rib-Roller End) | 14.5 |
| Cg - Geometry Factor | 0.0903 |
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