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539 - 533DC TIMKEN image

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539 - 533DC TIMKEN Code system

Bearing number:7203 ACD/HCP4A
Size (mm):40x17x12
Bore Diameter (mm):40
Outer Diameter (mm):17
Width (mm):12
d:17 mm
D:40 mm
B:12 mm
d1:24.1 mm
d2:24.1 mm
D1:32.8 mm
r1,2 - min.:0.6 mm
r3,4 - min.:0.3 mm
a:12.8 mm
da - min.:21.2 mm
db - min.:21.2 mm
Da - max.:35.8 mm
Db - max.:37.6 mm
ra - max.:0.6 mm
rb - max.:0.3 mm
dn:25.9 mm
Basic dynamic load rating - C:8.8 kN
Basic static load rating - C0:4 kN
Fatigue load limit - Pu:0.17 kN
Limiting speed for grease lubrication:45000 r/min
Limiting speed for oil lubrication:67000 mm/min
Ball - Dw:7.144 mm
Ball - z:10
Gref:1.005 cm3
Calculation factor - e:0.68
Calculation factor - Y2:1.41
Calculation factor - Y0:0.76
Calculation factor - X2:0.67
Calculation factor - Y1:0.92
Preload class A - GA:60 N
Preload class B - GB:120 N
Preload class C - GC:240 N
Preload class D - GD:480 N
Calculation factor - f:1.03
Calculation factor - f1:0.99
Calculation factor - f2A:1
Calculation factor - f2B:1.01
Calculation factor - f2C:1.03
Calculation factor - f2D:1.06
Calculation factor - fHC:1.01
Preload class A:59 N/micron
Preload class B:76 N/micron
Preload class C:99 N/micron
Preload class D:131 N/micron
r1,2 min.:0.6 mm
r3,4 min.:0.3 mm
da min.:21.2 mm
db min.:21.2 mm
Da max.:35.8 mm
Db max.:37.6 mm
ra max.:0.6 mm
rb max.:0.3 mm
Basic dynamic load rating C:8.84 kN
Basic static load rating C0:4 kN
Fatigue load limit Pu:0.17 kN
Attainable speed for grease lubrication:45000 r/min
Attainable speed for oil-air lubrication:67000 r/min
Ball diameter Dw:7.144 mm
Number of balls z:10
Reference grease quantity Gref:1.005 cm³
Preload class A GA:60 N
Static axial stiffness, preload class A:59 N/µm
Preload class B GB:120 N
Static axial stiffness, preload class B:76 N/µm
Preload class C GC:240 N
Static axial stiffness, preload class C:99 N/µm
Preload class D GD:480 N
Static axial stiffness, preload class D:131 N/µm
Calculation factor f:1.03
Calculation factor f1:0.99
Calculation factor f2A:1
Calculation factor f2B:1.01
Calculation factor f2C:1.03
Calculation factor f2D:1.06
Calculation factor fHC:1.01
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
Mass bearing:0.054 kg

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