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D/W R155-2ZS/Deep groove ball bearing/

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Product model D/W R155-2ZS
d 3.967 mm
D 7.938 mm
B 3.175 mm
Limiting speed 70000 r/min
d1 ≈5.53 mm
d2 ≈5.53 mm
D2 ≈7.3 mm
Chamfer size (r1,2) min.0.1 mm
da max.5.4 mm
Da max.7.4 mm
ra max.0.1 mm
pu 0.003 kN
Reference speed 140 000 r/min
kr 0.02
f0 7.6
Radial runout National Standard
Dimensional tolerance National Standard