Deep groove ball bearings
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W639/3-2Z-Stainless steel deep groove ball bearing
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Main Dimensions & Performance Data

Model

W639/3-2Z

d

3 mm

od

8 mm

B

4 mm

C

0.319 kN

C0

0.09 kN

Pu

0.004 Pu

reference speed

150000 r/min

limit speed

75000 r/min

weight

0.82 kg
Mounting dimensions

d1(mm)

4.3

d2(mm)

D1 (mm)

D2 (mm)

7.3

r1,2 min (mm)

0.15

da min (mm)

3.9

da max (mm)

4.3

Da max (mm)

7.3

ra max (mm)

0.15

kr

0.025

f0

6.1