Browse: 50

W 638/4-2RS1/Deep groove ball bearing/

imageimage

Product model W 638/4-2RS1
d 4 mm
D 9 mm
B 4 mm
Limiting speed 40000 r/min
d1 ≈5.2 mm
d2 ≈5.2 mm
凸缘直径(D2) ≈8.1 mm
Da max.8.2 mm
Chamfer size (r1,2) min.0.1 mm
da min.4.8 mm/max.5.1 mm
ra max.0.1 mm
Pu 0.005 kN
Reference speed 0
kr 0.02
f0 6.5
Radial runout National Standard
Dimensional tolerance National Standard