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size
d 20mm
D 32mm
B 10mm
d2≈22.6mm
D2≈29.52mm
r1,2min.0.3mm
Size shoulder size
damin.22mm
Damax.30.5mm
ramax.0.3mm
data calculation
Basic dynamic load ratingC 3.12kN
Basic rated static loadC0 2.08kN
Fatigue load limitPu 0.09kN
Reference speed  48000r/min
Maximum speed  30000r/min
coefficientkr 0.02 
coefficientf0 13.3 
weight
Bearing weight  0.023kg
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