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

DD2dd1.JPG

Product model W 638/2-2Z
d 2 mm
D 5 mm
B 2.3 mm
Limiting speed 100000 r/min
d1 ≈2.7 mm
d2 ≈2.7 mm
D2 ≈4.4 mm
Chamfer size (r1,2) min.0.08 mm
da min.2.5 mm/max.2.6 mm
Da max.4.5 mm
ra max.0.08 mm
Pu 0.001 kN
Reference speed 200 000 r/min
kr 0.02
f0 6.5