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WBB1-8707-2Z/Deep groove ball bearing/

Product model WBB1-8707-2Z
d 7 mm
D 13 mm
B 4 mm
Limiting speed 50000 r/min
Reference speed 100000r/min r/min
d2 9mm
D2 11.75mm
Chamfer Dimension(r1,2) 0.15mm
Shaft shoulder diameter(da)min 8.2mm
Shaft shoulder diameter(da)max 8.9mm
Diameter of bearing seat shoulder(Da) 11.9mm
Chamfer radius of shaft or bearing seat(ra) 0.15mm
Fatigue load limit 0.006kN
Minimum load factor(kr) 0.015
Calculation coefficient(f0) 8.3
Mass bearing 0.002kg