Deep groove ball bearings
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W638/2-2Z-Stainless steel deep groove ball bearing
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Main Dimensions & Performance Data

Model

W638/2-2Z

d

2 mm

od

5 mm

B

2.3 mm

C

0.094 kN

C0

0.025 kN

Pu

0.001 Pu

reference speed

200000 r/min

limit speed

100000 r/min

weight

0.2 kg
Mounting dimensions

d1(mm)

2.7

d2(mm)

D1 (mm)

D2 (mm)

4.4

r1,2 min (mm)

0.08

da min (mm)

2.5

da max (mm)

2.6

Da max (mm)

4.5

ra max (mm)

0.08

kr

0.02

f0

6.5