44FC3221 KOYO Four-row cylindrical roller bearings
| Brand Name: |
KOYO |
| Model Number: |
44FC3221 |
| Cone Part Number: |
25877A |
| Design Units: |
Imperial |
| Cage Type: |
Stamped Steel |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1: |
33300 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2: |
8640 lbf |
| d: |
1.3750 in |
| B - Cone Width: |
0.9688 in |
| R - Cone Backface To Clear Radius3: |
0.03 in |
Product Details
| Cone Part Number |
25877A |
| Design Units |
Imperial |
| Cage Type |
Stamped Steel |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 |
33300 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 |
8640 lbf |
| d |
1.3750 in |
| B - Cone Width |
0.9688 in |
| R - Cone Backface To Clear Radius3 |
0.03 in |
| da - Cone Frontface Backing Diameter |
1.65 in |
| db - Cone Backface Backing Diameter |
1.67 in |
| Ab - Cage-Cone Frontface Clearance |
0.09 in |
| Aa - Cage-Cone Backface Clearance |
0.02 in |
| a - Effective Center Location4 |
-0.32 in |
| C90 - Dynamic Radial Rating (90 million revolutions)5 |
4960 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)6 |
19100 lbf |
| C0 - Static Radial Rating |
21900 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)7 |
2460 lbf |
| K - Factor8 |
2.01 |
| G1 - Heat Generation Factor (Roller-Raceway) |
26.4 |
| G2 - Heat Generation Factor (Rib-Roller End) |
10.9 |
| Cg - Geometry Factor |
0.0695 |