Cylindrical Roller Bearings
NU20/500ECMA-cylindrical roller bearing
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Model |
NU20/500ECMA |
d |
500 mm |
od |
720 mm |
B |
128 mm |
C |
2920 kN |
cr |
5850 kN |
Pu |
440 Pu |
reference speed |
750 r/min |
limit speed |
1100 r/min |
weight |
180 kg |
d1 |
||
D1 |
649 | |
F、E |
553 | |
r1,2minimum |
6 | |
r3,4minimum |
6 | |
smaximum value |
12.7 | |
daminimum |
523 | |
damaximum value |
549 | |
db、Daminimum |
558 | |
Damaximum value |
697 | |
ramaximum value |
5 | |
rbmaximum value |
5 | |
kr |
0.14 | |
B1 |
||
B2 |