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D/W R144/Deep groove ball bearing/

Snipaste_2022-03-24_16-07-57

Product model D/W R144
d 3.175 mm
D 6.35 mm
B 2.38 mm
Limiting speed 100000 r/min
d1 ≈3.93 mm
D1 ≈5.38 mm
Chamfer size (r1,2) min.0.1 mm
da min.3.8 mm
Da max.5.5 mm
ra max.0.1 mm
pu 0.002 kN
Reference speed 170 000 r/min
kr 0.02
f0 7
Radial runout National Standard
Dimensional tolerance National Standard