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W 638/1/Deep groove ball bearing/

Snipaste_2022-03-24_16-07-57

Product model W 638/1
d 1 mm
D 3 mm
B 1.5 mm
Limiting speed 150000 r/min
d1 ≈1.55 mm
D1 ≈2.46 mm
Chamfer size (r1,2) min.0.05 mm
da min.1.4 mm
Da max.2.6 mm
ra max.0.05 mm
pu 0 kN
Reference speed 240 000 r/min
kr 0.02
f0 5.6
Radial runout National Standard
Dimensional tolerance National Standard