Cylindrical Roller Bearings
Model |
NJ256MA |
d |
280 mm |
od |
500 mm |
B |
80 mm |
C |
1140 kN |
cr |
1800 kN |
Pu |
156 Pu |
reference speed |
1400 r/min |
limit speed |
1900 r/min |
weight |
73 kg |
d1 |
360 | |
D1 |
417 | |
F、E |
340 | |
r1,2minimum |
5 | |
r3,4minimum |
5 | |
smaximum value |
3.8 | |
daminimum |
300 | |
damaximum value |
333 | |
db、Daminimum |
364 | |
Damaximum value |
480 | |
ramaximum value |
4 | |
rbmaximum value |
||
kr |
0.15 | |
B1 |
||
B2 |