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 |