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WBB1-8700-2Z/Deep groove ball bearing/

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Product model WBB1-8700-2Z
d 1.2 mm
D 4 mm
B 2.5 mm
Limiting speed 150000 r/min
d1 ≈2.15 mm
d2 ≈2.15 mm
D2 ≈3.5 mm
Chamfer size (r1,2) min.0.1 mm
da max.2.1 mm
Da max.3.5 mm
ra max.0.1 mm
pu 0.001 kN
Reference speed 220 000 r/min
kr 0.02
f0 6.4
Radial runout National Standard
Dimensional tolerance National Standard