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size
d 8mm
D 14mm
B 4mm
d2≈9.26mm
D2≈12.78mm
r1,2min.0.15mm
Size shoulder size
damin.8.9mm
damax.9.2mm
Damax.12.9mm
ramax.0.15mm
data calculation
Basic dynamic load ratingC 0.462kN
Basic rated static loadC0 0.193kN
Fatigue load limitPu 0.002kN
Maximum speed  28000r/min
coefficientkr 0.015 
coefficientf0 7.8 
weight
Bearing weight  0.002kg
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