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size
d 20mm
D 37mm
B 9mm
d2≈23.65mm
D2≈33.5mm
r1,2min.0.3mm
Size shoulder size
damin.22mm
Damax.35mm
ramax.0.3mm
data calculation
Basic dynamic load ratingC 5.53kN
Basic rated static loadC0 3.65kN
Fatigue load limitPu 0.156kN
Reference speed  43000r/min
Maximum speed  26000r/min
coefficientkr 0.025 
coefficientf0 14.7 
weight
Bearing weight  0.033kg
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