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size
d 20mm
D 47mm
B 14mm
d1≈30.8mm
d2≈25.87mm
D1≈37mm
a 21mm
r1,2min.1mm
r3,4min.0.6mm
Size shoulder size
damin.25.6mm
Damax.41.4mm
Dbmax.42.8mm
ramax.1mm
rbmax.0.6mm
data calculation
Basic dynamic load ratingC 13.3kN
Basic rated static loadC0 7.65kN
Fatigue load limitPu 0.325kN
Reference speed  19000r/min
Maximum speed  18000r/min
coefficientA 0.00113 
coefficientkr 0.095 
coefficiente 1.14 
单个轴承和串联配置的轴承对
coefficientX 0.35 
coefficientY0 0.26 
coefficientY2 0.57 
背对背或面对面配置的轴承对
coefficientX 0.57 
coefficientY0 0.52 
coefficientY1 0.55 
coefficientY2 0.93 
weight
Bearing weight  0.11kg
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