71904 ACD/HC

Cập nhật cuối lúc 13:28 ngày 07/02/2106, Đã xem 265 lần
Liên hệ
Model: 71904 ACD/HC
Hãng sản xuất: SKF
Bảo hành: 12 tháng
Tình trạng: Liên hệ
Dimensions
d 20mm
D 37mm
B 9mm
d1 25.6mm
d2 25.6mm
D1 31.4mm
r1,2min.0.3mm
r3,4min.0.2mm
a 11.2mm
Abutment dimensions
damin.22mm
dbmin.22mm
Damax.35mm
Dbmax.35.6mm
ramax.0.3mm
rbmax.0.2mm
dn 26.8mm
Calculation data
Basic dynamic load ratingC 5.72kN
Basic static load ratingC0 3.05kN
Fatigue load limitPu 0.129kN
Attainable speed for grease lubrication  45000r/min
Attainable speed for oil-air lubrication  67000r/min
Contact angleα 25°
Ball diameterDw 4.762mm
Number of ballsz 15 
Reference grease quantityGref 0.45cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class AGA 35N
Static axial stiffness, preload class A  56N/µm
Preload class BGB 70N
Static axial stiffness, preload class B  73N/µm
Preload class CGC 140N
Static axial stiffness, preload class C  95N/µm
Preload class DGD 280N
Static axial stiffness, preload class D  125N/µm
Calculation factors
Calculation factorf 1.05 
Calculation factorf1 0.98 
Calculation factorf2A 1 
Calculation factorf2B 1.07 
Calculation factorf2C 1.12 
Calculation factorf2D 1.17 
Calculation factorfHC 1.04 
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  0.033kg

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