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size
d 2mm
D 6mm
B 2.3mm
d1≈3mm
D1≈4.8mm
r1,2min.0.15mm
Size shoulder size
damin.2.9mm
Damax.4.9mm
ramax.0.15mm
data calculation
Basic dynamic load ratingC 0.19kN
Basic rated static loadC0 0.051kN
Fatigue load limitPu 0.002kN
Reference speed  180000r/min
Maximum speed  110000r/min
coefficientkr 0.025 
coefficientf0 6 
weight
Bearing weight  0.0003kg
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