Cylindrical Roller Bearings
NJ312ECP-cylindrical roller bearing
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Model |
NJ312ECP |
Optional standard cage |
J,M,ML,PH |
d |
60 mm |
od |
130 mm |
B |
31 mm |
C |
173 kN |
cr |
160 kN |
Pu |
21.2 Pu |
reference speed |
5600 r/min |
limit speed |
6700 r/min |
weight |
1.85 kg |
weight |
0.23 kg |
d1 |
84.3 | |
D1 |
108.5 | |
F、E |
77 | |
r1,2minimum |
2.1 | |
r3,4minimum |
2.1 | |
smaximum value |
2.1 | |
daminimum |
72 | |
damaximum value |
74 | |
db、Daminimum |
87 | |
Damaximum value |
118.1 | |
ramaximum value |
2 | |
rbmaximum value |
||
kr |
0.15 | |
B1 |
9 | |
B2 |
14.5 |