Browse: 50

W 638/4 X-2Z/Deep groove ball bearing/

imageimage

Product model W 638/4 X-2Z
d 4 mm
D 10 mm
B 4 mm
Limiting speed 63000 r/min
d1,d2 ≈5.9 mm
D2 ≈8.8 mm
D3 0
Da max.0.2 mm
Chamfer size (r1,2) min.0.2 mm
da min.5.6 mm/max.5.8 mm
ra max.0.2 mm
Pu 0.011 kN
Reference speed 130 000 r/min
kr 0.02
f0 12.3
Radial runout National Standard
Dimensional tolerance National Standard