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D/W R2A-2Z/Deep groove ball bearing/

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Product model D/W R2A-2Z
d 3.175 mm
D 12.7 mm
B 4.366 mm
Limiting speed 63000 r/min
肩部直径(Da) max.10.7 mm
d2 ≈4.6 mm
D2 ≈8.2 mm
Chamfer size (r1,2) min.0.3 mm
da min.4 mm/max.4.5 mm
ra max.0.3 mm
Pu 0.005 kN
Reference speed 130 000 r/min
极限转速 63 000 r/min
kr 0.015
f0 6.5
Radial runout National Standard
Dimensional tolerance National Standard