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W 638/3 R-2Z/Deep groove ball bearing/

D3DD2dd2.JPG

Product model W 638/3 R-2Z
d 3 mm
D 7 mm
B 3 mm
Limiting speed 80000 r/min
d2 ≈3.85 mm
D2 ≈6.35 mm
D3 8.1 mm
C 0.8 mm
Chamfer size (r1,2) min.0.1 mm
da min.3.7 mm/max.3.8 mm
ra max.0.1 mm
Pu 0.002 kN
Reference speed 160 000 r/min
kr 0.02
f0 7.1