NJ1984M NSK Tapered Roller bearings double-row
Brand Name |
NSK |
Model Number |
NJ1984M |
Min.Order Quantity |
1 pcs |
Price |
Negotiable |
Product Details
Series |
M255400 |
Cone Part Number |
M255449WS |
Design Units |
Imperial |
Cage Type |
Pin-Type |
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 |
493000 lbf |
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 |
128000 lbf |
d |
11.3750 in |
B - Cone Width |
3.0625 in |
R - Cone Backface To Clear Radius3 |
0.25 in |
da - Cone Frontface Backing Diameter |
12.2 in |
db - Cone Backface Backing Diameter |
12.44 in |
Ab - Cage-Cone Frontface Clearance |
0.22 in |
Aa - Cage-Cone Backface Clearance |
0.15 in |
a - Effective Center Location4 |
-0.16 in |
C90 - Dynamic Radial Rating (90 million revolutions)5 |
73400 lbf |
C1 - Dynamic Radial Rating (1 million revolutions)6 |
283000 lbf |
C0 - Static Radial Rating |
567000 lbf |
Ca90 - Dynamic Thrust Rating (90 million revolutions)7 |
42500 lbf |
K - Factor8 |
1.73 |
G1 - Heat Generation Factor (Roller-Raceway) |
2301.3 |
G2 - Heat Generation Factor (Rib-Roller End) |
287.6 |
Cg - Geometry Factor |
0.172 |