NN302 TIMKEN Double row cylindrical roller bearings
Brand Name: |
TIMKEN |
Model Number: |
NN302 |
Series: |
67900 |
Cone Part Number: |
67982 |
Design Units: |
Imperial |
Cage Type: |
Stamped Steel |
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1: |
183000 lbf |
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2: |
47500 lbf |
d: |
7.8720 in |
B - Cone Width: |
1.9375 in |
Product Details
Series |
67900 |
Cone Part Number |
67982 |
Design Units |
Imperial |
Cage Type |
Stamped Steel |
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 |
183000 lbf |
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 |
47500 lbf |
d |
7.8720 in |
B - Cone Width |
1.9375 in |
R - Cone Backface To Clear Radius3 |
0.14 in |
da - Cone Frontface Backing Diameter |
8.5 in |
db - Cone Backface Backing Diameter |
8.66 in |
Ab - Cage-Cone Frontface Clearance |
0.06 in |
Aa - Cage-Cone Backface Clearance |
0.08 in |
a - Effective Center Location4 |
0.63 in |
C90 - Dynamic Radial Rating (90 million revolutions)5 |
27300 lbf |
C1 - Dynamic Radial Rating (1 million revolutions)6 |
105000 lbf |
C0 - Static Radial Rating |
178000 lbf |
Ca90 - Dynamic Thrust Rating (90 million revolutions)7 |
23800 lbf |
K - Factor8 |
1.15 |
G1 - Heat Generation Factor (Roller-Raceway) |
762.7 |
G2 - Heat Generation Factor (Rib-Roller End) |
160.6 |
Cg - Geometry Factor |
0.135 |