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628/7-2Z/Deep groove ball bearing/

Product model 628/7-2Z
d 7 mm
D 14 mm
B 5 mm
Limiting speed 50000 r/min
Reference speed 100000r/min r/min
d2 8.5mm
D2 12.7mm
Chamfer Dimension(r1,2) 0.15mm
Shaft shoulder diameter(da)min 7.8mm
Shaft shoulder diameter(da)max 8mm
Diameter of bearing seat shoulder(Da) 13.2mm
Chamfer radius of shaft or bearing seat(ra) 0.1mm
Fatigue load limit 0.011kN
Minimum load factor(kr) 0.015
Calculation coefficient(f0) 7.2
Mass bearing 0.0031kg