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D/W R156 R-2ZS/Deep groove ball bearing/

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Product model D/W R156 R-2ZS
d 4.762 mm
D 7.938 mm
B 3.175 mm
Limiting speed 70000 r/min
d1 ≈5.53 mm
D1 0
D2 ≈7.3 mm
D3 9.119 mm
C 0.914 mm
Chamfer size (r1,2) min.0.1 mm
da1 min.5.4 mm/max.5.4 mm
ra max.0.1 mm
pu 0.003 kN
Reference speed 140 000 r/min
kr 0.015
f0 7.6
Radial runout National Standard
Dimensional tolerance National Standard