68/56 KOYO Single-row deep groove ball bearings
| Brand Name: |
KOYO |
| Model Number: |
68/56 |
| Series: |
375 |
| Cone Part Number: |
380 |
| Design Units: |
Imperial |
| Cage Type: |
Stamped Steel |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1: |
40800 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2: |
10600 lbf |
| d: |
2.0625 in |
| B - Cone Width: |
0.8281 in |
Product Details
| Series |
375 |
| Cone Part Number |
380 |
| Design Units |
Imperial |
| Cage Type |
Stamped Steel |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 |
40800 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 |
10600 lbf |
| d |
2.0625 in |
| B - Cone Width |
0.8281 in |
| R - Cone Backface To Clear Radius3 |
0.09 in |
| da - Cone Frontface Backing Diameter |
2.28 in |
| db - Cone Backface Backing Diameter |
2.44 in |
| Ab - Cage-Cone Frontface Clearance |
0.14 in |
| Aa - Cage-Cone Backface Clearance |
0.01 in |
| a - Effective Center Location4 |
-0.15 in |
| C90 - Dynamic Radial Rating (90 million revolutions)5 |
6070 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)6 |
23400 lbf |
| C0 - Static Radial Rating |
22700 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)7 |
3520 lbf |
| K - Factor8 |
1.73 |
| G1 - Heat Generation Factor (Roller-Raceway) |
37.6 |
| G2 - Heat Generation Factor (Rib-Roller End) |
15.4 |
| Cg - Geometry Factor |
0.0816 |