7203 ACD/HC

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Liên hệ
Model: 7203 ACD/HC
Hãng sản xuất: SKF
Bảo hành: 12 tháng
Tình trạng: Liên hệ
Dimensions
d 17mm
D 40mm
B 12mm
d1 24.1mm
d2 24.1mm
D1 32.8mm
r1,2min.0.6mm
r3,4min.0.3mm
a 12.8mm
Abutment dimensions
damin.21.2mm
dbmin.21.2mm
Damax.35.8mm
Dbmax.37.6mm
ramax.0.6mm
rbmax.0.3mm
dn 25.9mm
Calculation data
Basic dynamic load ratingC 8.84kN
Basic static load ratingC0 4kN
Fatigue load limitPu 0.17kN
Attainable speed for grease lubrication  45000r/min
Attainable speed for oil-air lubrication  67000r/min
Contact angleα 25°
Ball diameterDw 7.144mm
Number of ballsz 10 
Reference grease quantityGref 1.005cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class AGA 60N
Static axial stiffness, preload class A  59N/µm
Preload class BGB 120N
Static axial stiffness, preload class B  76N/µm
Preload class CGC 240N
Static axial stiffness, preload class C  99N/µm
Preload class DGD 480N
Static axial stiffness, preload class D  131N/µm
Calculation factors
Calculation factorf 1.03 
Calculation factorf1 0.99 
Calculation factorf2A 1 
Calculation factorf2B 1.01 
Calculation factorf2C 1.03 
Calculation factorf2D 1.06 
Calculation factorfHC 1.01 
Calculation factore 0.68 
Calculation factor (single, tandem)Y2 0.87 
Calculation factor (single, tandem)Y0 0.38 
Calculation factor (single, tandem)X2 0.41 
Calculation factor (back-to-back, face-to-face)Y1 0.92 
Calculation factor (back-to-back, face-to-face)Y2 1.41 
Calculation factor (back-to-back, face-to-face)Y0 0.76 
Calculation factor (back-to-back, face-to-face)X2 0.67 
Mass
Mass bearing  0.054kg

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