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size
d 2mm
D 7mm
B 2.8mm
d1≈3.85mm
D1≈5.65mm
r1,2min.0.15mm
Size shoulder size
damin.3.2mm
Damax.5.8mm
ramax.0.15mm
data calculation
Basic dynamic load ratingC 0.221kN
Basic rated static loadC0 0.067kN
Fatigue load limitPu 0.003kN
Reference speed  160000r/min
Maximum speed  100000r/min
coefficientkr 0.03 
coefficientf0 6.6 
weight
Bearing weight  0.0005kg
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