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W 637/4 XR/Deep groove ball bearing/

D3DD1dd1.JPG

Product model W 637/4 XR
d 4 mm
D 10 mm
B 3 mm
Limiting speed 80000 r/min
d1 ≈5.9 mm
D1 ≈8.2 mm
D2 ≈8.2 mm
D3 11.2 mm
C 0.6 mm
Chamfer size (r1,2) min.0.2 mm
da min.5.6 mm
ra max.0.2 mm
Pu 0.011 kN
Reference speed 120 000 r/min
kr 0.02
f0 12.3
Radial runout National Standard
Dimensional tolerance National Standard