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W 639/2 R-2Z/Deep groove ball bearing/

D3DD2dd1.JPG

Product model W 639/2 R-2Z
d 2 mm
D 6 mm
B 3 mm
Limiting speed 90000 r/min
d1 ≈3 mm
D2 ≈5.4 mm
D3 7.5 mm
C 0.8 mm
Chamfer size (r1,2) min.0.15 mm
da min.2.9 mm/max.2.9 mm
ra max.0.15 mm
Pu 0.002 kN
Reference speed 180 000 r/min
kr 0.025
f0 6