68FC49300A KOYO Four-row cylindrical roller bearings
| Brand Name: |
KOYO |
| Model Number: |
68FC49300A |
| Series: |
420000 |
| Cone Part Number: |
EE420651 |
| Design Units: |
Imperial |
| Cage Type: |
Stamped Steel |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1: |
457000 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2: |
118000 lbf |
| d: |
6.5 in |
| B - Cone Width: |
3.4999 in |
| PDF |
68FC49300A |
Product Details
| Series |
420000 |
| Cone Part Number |
EE420651 |
| Design Units |
Imperial |
| Cage Type |
Stamped Steel |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 |
457000 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 |
118000 lbf |
| d |
6.5 in |
| B - Cone Width |
3.4999 in |
| R - Cone Backface To Clear Radius3 |
0.380 in |
| da - Cone Frontface Backing Diameter |
7.83 in |
| db - Cone Backface Backing Diameter |
8.46 in |
| Ab - Cage-Cone Frontface Clearance |
0.14 in |
| Aa - Cage-Cone Backface Clearance |
0.72 in |
| a - Effective Center Location4 |
-0.61 in |
| C90 - Dynamic Radial Rating (90 million revolutions)5 |
68100 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)6 |
263000 lbf |
| C0 - Static Radial Rating |
409000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)7 |
46800 lbf |
| K - Factor8 |
1.45 |
| G1 - Heat Generation Factor (Roller-Raceway) |
1150.5 |
| G2 - Heat Generation Factor (Rib-Roller End) |
128.2 |
| Cg - Geometry Factor |
0.145 |