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size
d 2mm
D 6mm
B 3mm
d1≈3mm
D2≈5.4mm
r1,2min.0.15mm
Dimensions
D3 7.5mm
C 0.8mm
Size shoulder size
damin.2.9mm
damax.2.9mm
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  90000r/min
coefficientkr 0.025 
coefficientf0 6 
weight
Bearing weight  0.00041kg
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