30256 NSK Double Direction Thrust Bearings
Brand Name: |
NSK |
Model Number: |
30256 |
Cone Part Number: |
69354 |
Design Units: |
Imperial |
Cage Type: |
Stamped Steel |
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1: |
70700 lbf |
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2: |
18300 lbf |
d: |
3.5430 in |
B - Cone Width: |
1.1875 in |
R - Cone Backface To Clear Radius3: |
0.09 in |
PDF |
30256 |
Product Details
Cone Part Number |
69354 |
Design Units |
Imperial |
Cage Type |
Stamped Steel |
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 |
70700 lbf |
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 |
18300 lbf |
d |
3.5430 in |
B - Cone Width |
1.1875 in |
R - Cone Backface To Clear Radius3 |
0.09 in |
da - Cone Frontface Backing Diameter |
3.9 in |
db - Cone Backface Backing Diameter |
4.06 in |
Ab - Cage-Cone Frontface Clearance |
0.13 in |
Aa - Cage-Cone Backface Clearance |
0.12 in |
a - Effective Center Location4 |
-0.02 in |
C90 - Dynamic Radial Rating (90 million revolutions)5 |
10500 lbf |
C1 - Dynamic Radial Rating (1 million revolutions)6 |
40600 lbf |
C0 - Static Radial Rating |
51700 lbf |
Ca90 - Dynamic Thrust Rating (90 million revolutions)7 |
7620 lbf |
K - Factor8 |
1.38 |
G1 - Heat Generation Factor (Roller-Raceway) |
117 |
G2 - Heat Generation Factor (Rib-Roller End) |
39.6 |
Cg - Geometry Factor |
0.0874 |