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627-Z/Deep groove ball bearing/

Product model 627-Z
d 7 mm
D 22 mm
B 7 mm
Limiting speed 45000 r/min
Reference speed 70000r/min r/min
d1 12.15mm
D2 19.2mm
Chamfer Dimension(r1,2) 0.3mm
Shaft shoulder diameter(da)min 9.4mm
Shaft shoulder diameter(da)max 12.1mm
Diameter of bearing seat shoulder(Da) 19.6mm
Chamfer radius of shaft or bearing seat(ra) 0.3mm
Fatigue load limit 0.057kN
Minimum load factor(kr) 0.025
Calculation coefficient(f0) 12
Mass bearing 0.013kg