Cylindrical Roller Bearings
Model |
NU420M |
d |
100 mm |
od |
250 mm |
B |
58 mm |
C |
457 kN |
cr |
520 kN |
Pu |
58.5 Pu |
reference speed |
3000 r/min |
limit speed |
3600 r/min |
weight |
15.5 kg |
weight |
1.5 kg |
d1 |
||
D1 |
197.45 | |
F、E |
139 | |
r1,2minimum |
4 | |
r3,4minimum |
4 | |
smaximum value |
4.9 | |
daminimum |
119 | |
damaximum value |
135 | |
db、Daminimum |
142 | |
Damaximum value |
230 | |
ramaximum value |
3 | |
rbmaximum value |
3 | |
kr |
0.15 | |
B1 |
16 | |
B2 |
27 |