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W 618/4 R/Deep groove ball bearing/

D3DD1dd1.JPG

Product model W 618/4 R
d 4 mm
D 9 mm
B 2.5 mm
Limiting speed 85000 r/min
d1 ≈5.2 mm
D1 ≈7.5 mm
D2 ≈7.5 mm
D3 10.3 mm
C 0.6 mm
Chamfer size (r1,2) min.0.1 mm
da min.4.8 mm
ra max.0.1 mm
Pu 0.005 kN
Reference speed 140 000 r/min
kr 0.02
f0 6.5