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D/W R4A/Deep groove ball bearing/

Product model D/W R4A
d 6.35 mm
D 19.05 mm
B 5.558 mm
Limiting speed 50000 r/min
Reference speed 80000r/min r/min
d1 10.12mm
D1 15.02mm
Chamfer Dimension(r1,2) 0.4mm
Shaft shoulder diameter(da)min 8.9mm
Diameter of bearing seat shoulder(Da) 16.5mm
Chamfer radius of shaft or bearing seat(ra) 0.4mm
Fatigue load limit 0.025kN
Minimum load factor(kr) 0.025
Calculation coefficient(f0) 7.9
Mass bearing 0.0073kg