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D/W R155 R/Deep groove ball bearing/

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Product model D/W R155 R
d 3.967 mm
D 7.938 mm
B 2.779 mm
Limiting speed 90000 r/min
d1 ≈5.53 mm
D1 ≈7 mm
D2 ≈7 mm
D3 9.119 mm
C 0.584 mm
Chamfer size (r1,2) min.0.1 mm
da min.4.8 mm
ra max.0.1 mm
pu 0.002 kN
Reference speed 170 000 r/min
kr 0.02
f0 7.6
Radial runout National Standard
Dimensional tolerance National Standard