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

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Product model D/W R2-2Z
d 3.175 mm
D 9.525 mm
B 3.967 mm
Limiting speed 67000 r/min
d1 ≈4.8 mm
d2 ≈4.8 mm
D2 ≈7.98 mm
Chamfer size (r1,2) min.0.3 mm
da max.4.7 mm
Da max.8.1 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