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size
d 70mm
D 90mm
B 10mm
d1≈76.4mm
D2≈85.5mm
r1,2min.0.6mm
Size shoulder size
damin.73.2mm
damax.76.5mm
Damax.86.8mm
ramax.0.6mm
data calculation
Basic dynamic load ratingC 12.4kN
Basic rated static loadC0 13.2kN
Fatigue load limitPu 0.56kN
Reference speed  15000r/min
Maximum speed  7500r/min
coefficientkr 0.015 
coefficientf0 17.2 
weight
Bearing weight  0.14kg
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