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W 619/7/Deep groove ball bearing/

Product model W 619/7
d 7 mm
D 17 mm
B 5 mm
Limiting speed 56000 r/min
Reference speed 90000r/min r/min
d2 9.2mm
D2 14.3mm
Chamfer Dimension(r1,2) 0.3mm
Shaft shoulder diameter(da)min 8.7mm
Diameter of bearing seat shoulder(Da) 15mm
Chamfer radius of shaft or bearing seat(ra) 0.3mm
Fatigue load limit 0.016kN
Minimum load factor(kr) 0.025
Calculation coefficient(f0) 7.3
Mass bearing 0.0048kg