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

Model

W639/2-2Z

d

2 mm

od

6 mm

B

3 mm

C

0.19 kN

C0

0.051 kN

Pu

0.002 Pu

reference speed

180000 r/min

limit speed

90000 r/min

weight

0.31 kg
Mounting dimensions

d1(mm)

3

d2(mm)

D1 (mm)

D2 (mm)

5.4

r1,2 min (mm)

0.15

da min (mm)

2.9

da max (mm)

2.9

Da max (mm)

5.4

ra max (mm)

0.15

kr

0.025

f0

6