Cylindrical Roller Bearings
NU20/630ECMA-cylindrical roller bearing
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Model |
NU20/630ECMA |
d |
630 mm |
od |
920 mm |
B |
170 mm |
C |
4730 kN |
cr |
9500 kN |
Pu |
670 Pu |
reference speed |
560 r/min |
limit speed |
850 r/min |
weight |
400 kg |
d1 |
||
D1 |
832 | |
F、E |
699 | |
r1,2minimum |
7.5 | |
r3,4minimum |
7.5 | |
smaximum value |
8.7 | |
daminimum |
658 | |
damaximum value |
690 | |
db、Daminimum |
705 | |
Damaximum value |
892 | |
ramaximum value |
6 | |
rbmaximum value |
6 | |
kr |
0.14 | |
B1 |
||
B2 |