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D/W R188 R-2Z/Deep groove ball bearing/

Product model D/W R188 R-2Z
d 6.35 mm
D 12.7 mm
B 4.762 mm
Limiting speed 53000 r/min
Reference speed 110000r/min r/min
d2 7.4mm
D2 11.6mm
D3 13.894mm
C 1.143mm
Chamfer Dimension(r1,2) 0.15mm
Shaft shoulder diameter(da)min 7.2mm
Shaft shoulder diameter(da)max 7.3mm
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 0.0023kg