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size
d 17mm
D 30mm
B 7mm
d1≈20.4mm
D2≈27.7mm
r1,2min.0.3mm
Size shoulder size
damin.19mm
damax.20.3mm
Damax.28mm
ramax.0.3mm
data calculation
Basic dynamic load ratingC 4.62kN
Basic rated static loadC0 2.55kN
Fatigue load limitPu 0.108kN
Reference speed  50000r/min
Maximum speed  26000r/min
coefficientkr 0.02 
coefficientf0 14.7 
weight
Bearing weight  0.017kg
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