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NU20/630ECMA cylindrical roller bearing

Position：Model > Cylindrical Roller Bearings
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Main Dimensions & Performance Data

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
Mounting dimensions

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

Previous：NJ29/630ECMA/HB1

Next：NJ28/710ECMA

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