220 mm x 460 mm x 88 mm KOYO NUP344 cylindrical roller bearings
| Brand Name: |
KOYO |
| Model Number: |
NUP344 |
| Series: |
64000 |
| Cone Part Number: |
64452 |
| Design Units: |
Imperial |
| Cage Type: |
Stamped Steel |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1: |
99600 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2: |
25800 lbf |
| d: |
4.5266 in |
| B - Cone Width: |
1.6250 in |
| PDF |
NUP344 |
Product Details
| Series |
64000 |
| Cone Part Number |
64452 |
| Design Units |
Imperial |
| Cage Type |
Stamped Steel |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 |
99600 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 |
25800 lbf |
| d |
4.5266 in |
| B - Cone Width |
1.6250 in |
| R - Cone Backface To Clear Radius3 |
0.14 in |
| da - Cone Frontface Backing Diameter |
4.96 in |
| db - Cone Backface Backing Diameter |
5.2 in |
| Ab - Cage-Cone Frontface Clearance |
0.1 in |
| Aa - Cage-Cone Backface Clearance |
0.2 in |
| a - Effective Center Location4 |
0.05 in |
| C90 - Dynamic Radial Rating (90 million revolutions)5 |
14800 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)6 |
57200 lbf |
| C0 - Static Radial Rating |
94200 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)7 |
13100 lbf |
| K - Factor8 |
1.13 |
| G1 - Heat Generation Factor (Roller-Raceway) |
218.8 |
| G2 - Heat Generation Factor (Rib-Roller End) |
45.3 |
| Cg - Geometry Factor |
0.115 |