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size
d 12mm
D 28mm
B 8mm
d1 17.5mm
d2 16.5mm
D1 22.45mm
r1,2min.0.3mm
r3,4min.0.15mm
a 8.8mm
Size shoulder size
damin.14mm
dbmin.14mm
Damax.26mm
Dbmax.26.6mm
ramax.0.3mm
rbmax.0.15mm
dn 18.5mm
data calculation
Basic dynamic load ratingC 3.07kN
Basic rated static loadC0 1.27kN
Fatigue load limitPu 0.054kN
润滑脂润滑可达转速  88000r/min
油气润滑法可达转速  133000r/min
球直径Dw 3.969mm
页数z 12 
参考润滑脂量Gref 0.31cm³
预载荷(背对背配置,面对面配置)
预载荷等级 AGA 28N
轴向静刚度
预载荷等级 A  37N/µm
预载荷等级 BGB 85N
预载荷等级 B  56N/µm
预载荷等级 CGC 170N
预载荷等级 C  73N/µm
coefficientf 1.02 
coefficientf1 0.99 
coefficientf2A 1 
coefficientf2B 1.03 
coefficientf2C 1.06 
coefficientfHC 1.01 
当量轴承载荷coefficient
coefficiente 0.68 
coefficient(单轴,串轴)Y2 0.87 
coefficient(单轴,串轴)Y0 0.38 
coefficient(单轴,串轴)X2 0.41 
系数计算(背对背配置,面对面配置)Y1 0.92 
系数计算(背对背配置,面对面配置)Y2 1.41 
系数计算(背对背配置,面对面配置)Y0 0.76 
系数计算(背对背配置,面对面配置)X2 0.67 
weight
Bearing weight  0.019kg
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