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D/W R188/Deep groove ball bearing/

Product model D/W R188
d 6.35 mm
D 12.7 mm
B 3.175 mm
Limiting speed 67000 r/min
Reference speed 110000r/min r/min
d1 8mm
D1 11mm
Chamfer Dimension(r1,2) 0.15mm
Shaft shoulder diameter(da)min 7.6mm
Diameter of bearing seat shoulder(Da) 11.5mm
Chamfer radius of shaft or bearing seat(ra) 0.15mm
Fatigue load limit 0.01kN
Minimum load factor(kr) 0.02
Calculation coefficient(f0) 7
Mass bearing 0.0015kg