Cylindrical Roller Bearings
Model |
NJ252MA |
d |
260 mm |
od |
480 mm |
B |
80 mm |
C |
1170 kN |
cr |
1700 kN |
Pu |
150 Pu |
reference speed |
1400 r/min |
limit speed |
2000 r/min |
weight |
69 kg |
d1 |
340 | |
D1 |
397 | |
F、E |
320 | |
r1,2minimum |
5 | |
r3,4minimum |
5 | |
smaximum value |
3.4 | |
daminimum |
280 | |
damaximum value |
313 | |
db、Daminimum |
344 | |
Damaximum value |
460 | |
ramaximum value |
4 | |
rbmaximum value |
||
kr |
0.15 | |
B1 |
||
B2 |