2015年12月9日星期三

7015 ACB/P4A bearing

7015 ACB/P4A bearing
angular contact ball bearing
P4 grade level
Dimensions
d 75 mm
D 115 mm
B 20 mm
d1 90 mm
d2 88.2 mm
D2 102.8 mm
r1,2 min. 1.1 mm
r3,4 min. 0.6 mm
a 32.3 mm
Abutment dimensions
da min. 81 mm
db min. 81 mm
Da max. 109 mm
Db max. 111.8 mm
ra max. 1 mm
rb max. 0.6 mm
dn 91.1 mm


Calculation data
Basic dynamic load rating C 19 kN
Basic static load rating C0 16.6 kN
Fatigue load limit Pu 0.71 kN
Attainable speed for grease lubrication 14000 r/min
Attainable speed for oil-air lubrication 22000 mm/min
Ball diameter Dw 7.938 mm
Number of balls z 30
Reference grease quantity Gref 7.7 cm³
Calculation factors for eqivalent bearing loads
Calculation factor e 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
Preload (back-to-back, face-to-face)
Preload class A GA 115 N
Preload class B GB 230 N
Preload class C GC 690 N
Calculation factor f 1.08
Calculation factor f1 0.99
Calculation factor f2A 1
Calculation factor f2B 1.01
Calculation factor f2C 1.04
Calculation factor fHC 1
Static axial stiffness
Preload class A 133 N/µm
Preload class B 169 N/µm
Preload class C 255 N/µm
Mass
Mass bearing 0.7 kg
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