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size
d 20mm
D 42mm
B 8mm
d1≈27.25mm
Size shoulder size
damin.22mm
Damax.40mm
ramax.0.3mm
data calculation
Basic dynamic load ratingC 7.28kN
Basic rated static loadC0 4.05kN
Fatigue load limitPu 0.173kN
Reference speed  38000r/min
Maximum speed  24000r/min
coefficientkr 0.02 
coefficientf0 14.9 
weight
Bearing weight  0.051kg
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