Deep groove ball bearings
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W618/4-Stainless steel deep groove ball bearing
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Main Dimensions & Performance Data

Model

W618/4

d

4 mm

od

9 mm

B

2.5 mm

C

0.364 kN

C0

0.114 kN

Pu

0.005 Pu

reference speed

140000 r/min

limit speed

85000 r/min

weight

0.6 kg
Mounting dimensions

d1(mm)

5.2

d2(mm)

D1 (mm)

7.5

D2 (mm)

r1,2 min (mm)

0.1

da min (mm)

4.8

da max (mm)

Da max (mm)

8.2

ra max (mm)

0.1

kr

0.02

f0

6.5