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D/W R2 R-2Z/Deep groove ball bearing/

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Product model D/W R2 R-2Z
d 3.175 mm
D 9.525 mm
B 3.967 mm
Limiting speed 67000 r/min
d1 ≈4.8 mm
D2 ≈7.98 mm
D3 11.176 mm
C 0.762 mm
Chamfer size (r1,2) min.0.3 mm
da1 min.4.5 mm/max.4.5 mm
ra max.0.3 mm
pu 0.005 kN
Reference speed 130 000 r/min
kr 0.025
f0 6.3
Radial runout National Standard
Dimensional tolerance National Standard