7200 ACD/P4A
Dimensions
d 10 mm
D 30 mm
B 9 mm
d 1 17.3 mm
d 2 17.3 mm
D 1 23.1 mm
r 1,2 min. 0.6 mm
r 3,4 min. 0.3 mm
a 9.3 mm
Abutment dimensions
d a min. 14.2 mm
d b min. 14.2 mm
D a max. 25.8 mm
D b max. 27.6 mm
r a max. 0.6 mm
r b max. 0.3 mm
d n 18.3 mm
Calculation data
Basic dynamic load rating C 4.36 kN
Basic static load rating C 0 1.86 kN
Fatigue load limit P u 0.078 kN
Attainable speed for grease lubrication 53000 r/min
Attainable speed for oil-air lubrication 80000 r/min
Ball diameter D w 4.762 mm
Number of balls z 10
Reference grease quantity G ref 0.357 cm�³
Preload and stiffness (back-to-back, face-to-face)
Preload class A G A 27 N
Static axial stiffness, preload class A 35 N/�µm
Preload class B G B 54 N
Static axial stiffness, preload class B 45 N/�µm
Preload class C G C 108 N
Static axial stiffness, preload class C 59 N/�µm
Preload class D G D 216 N
Static axial stiffness, preload class D 78 N/�µm
Calculation factors
Calculation factor f 1.02
Calculation factor f 1 0.99
Calculation factor f 2A 1
Calculation factor f 2B 1.01
Calculation factor f 2C 1.02
Calculation factor f 2D 1.05
Calculation factor f HC 1
Calculation factor e 0.68
Calculation factor (single, tandem) Y 2 0.87
Calculation factor (single, tandem) Y 0 0.38
Calculation factor (single, tandem) X 2 0.41
Calculation factor (back-to-back, face-to-face) Y 1 0.92
Calculation factor (back-to-back, face-to-face) Y 2 1.41
Calculation factor (back-to-back, face-to-face) Y 0 0.76
Calculation factor (back-to-back, face-to-face) X 2 0.67
Mass
Mass bearing 0.032 kg
