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size
d 4mm
D 12mm
B 4mm
d1≈6.1mm
D2≈9.8mm
r1,2min.0.2mm
Size shoulder size
damin.5.4mm
damax.6mm
Damax.10.6mm
ramax.0.2mm
data calculation
Basic dynamic load ratingC 0.806kN
Basic rated static loadC0 0.28kN
Fatigue load limitPu 0.012kN
Reference speed  120000r/min
Maximum speed  60000r/min
coefficientkr 0.025 
coefficientf0 10 
weight
Bearing weight  0.0021kg
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