AC644556B KOYO Single-row, matched pair angular contact ball bearings
| Brand Name: | KOYO |
| Model Number: | AC644556B |
| Series: | 3300 |
| Cone Part Number: | 3383 |
| Design Units: | Imperial |
| Cage Type: | Stamped Steel |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1: | 45000 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2: | 11700 lbf |
| d: | 1.6250 in |
| B - Cone Width: | 1.1965 in |
Product Details
| Series | 3300 |
| Cone Part Number | 3383 |
| Design Units | Imperial |
| Cage Type | Stamped Steel |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 | 45000 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 | 11700 lbf |
| d | 1.6250 in |
| B - Cone Width | 1.1965 in |
| R - Cone Backface To Clear Radius3 | 0.14 in |
| da - Cone Frontface Backing Diameter | 1.85 in |
| db - Cone Backface Backing Diameter | 2.13 in |
| Ab - Cage-Cone Frontface Clearance | 0.07 in |
| Aa - Cage-Cone Backface Clearance | 0.06 in |
| a - Effective Center Location4 | -0.43 in |
| C90 - Dynamic Radial Rating (90 million revolutions)5 | 6700 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)6 | 25800 lbf |
| C0 - Static Radial Rating | 29100 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)7 | 3130 lbf |
| K - Factor8 | 2.14 |
| G1 - Heat Generation Factor (Roller-Raceway) | 34.6 |
| G2 - Heat Generation Factor (Rib-Roller End) | 12.1 |
| Cg - Geometry Factor | 0.0744 |
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