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W 618/9/Deep groove ball bearing/

Product model W 618/9
d 9 mm
D 17 mm
B 4 mm
Limiting speed 53000 r/min
Reference speed 85000r/min r/min
d1 11.5mm
D1 14.5mm
Chamfer Dimension(r1,2) 0.2mm
Shaft shoulder diameter(da)min 10.6mm
Diameter of bearing seat shoulder(Da) 15.4mm
Chamfer radius of shaft or bearing seat(ra) 0.2mm
Fatigue load limit 0.014kN
Minimum load factor(kr) 0.02
Calculation coefficient(f0) 7.7
Mass bearing 0.0034kg