Deep groove ball bearings
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W638/1.5-2Z-Stainless steel deep groove ball bearing
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Main Dimensions & Performance Data

Model

W638/1.5-2Z

d

1.5 mm

od

4 mm

B

2 mm

C

0.062 kN

C0

0.016 kN

Pu

0.001 Pu

reference speed

220000 r/min

limit speed

110000 r/min

weight

0.1 kg
Mounting dimensions

d1(mm)

2.1

d2(mm)

D1 (mm)

D2 (mm)

3.5

r1,2 min (mm)

0.05

da min (mm)

1.9

da max (mm)

2.1

Da max (mm)

3.6

ra max (mm)

0.05

kr

0.02

f0

6.4