| Bearing number |
7224 ACD/HCP4A |
| Size (mm) |
120x215x40 |
| Bore Diameter (mm) |
120 |
| Outer Diameter (mm) |
215 |
| Width (mm) |
40 |
| d |
120 mm |
| D |
215 mm |
| B |
40 mm |
| C |
40 mm |
| d1 |
150.3 mm |
| d2 |
150.3 mm |
| r1 min. |
2,1 mm |
| r2 min. |
2,1 mm |
| r3 min. |
1,1 mm |
| r4 min. |
1,1 mm |
| D1 |
186.7 mm |
| D2 |
– mm |
| da min. |
132 mm |
| Da max. |
203 mm |
| db min |
132 mm |
| ra max. |
2 mm |
| rb max. |
1 mm |
| dh |
158,2 mm |
| Db max |
208 mm |
| Weight |
4,4 Kg |
| Basic dynamic load rating (C) |
190 kN |
| Basic static load rating (C0) |
183 kN |
| (Grease) Lubrication Speed |
7 000 r/min |
| (Oil) Lubrication Speed |
11 000 r/min |
| Fatigue load limit (Pu) |
6 |
| r1,2 min. |
2.1 mm |
| r3,4 min. |
1.1 mm |
| a |
59.6 mm |
| db min. |
132 mm |
| Db max. |
208 mm |
| dn |
158.2 mm |
| Basic dynamic load rating C |
190 kN |
| Basic static load rating C0 |
183 kN |
| Fatigue load limit Pu |
6 kN |
| Attainable speed for grease lubrication |
7000 r/min |
| Attainable speed for oil-air lubrication |
11000 r/min |
| Ball diameter Dw |
30.162 mm |
| Number of balls z |
15 |
| Reference grease quantity Gref |
69.084 cm³ |
| Preload class A GA |
1200 N |
| Static axial stiffness, preload class A |
375 N/µm |
| Preload class B GB |
2400 N |
| Static axial stiffness, preload class B |
488 N/µm |
| Preload class C GC |
4800 N |
| Static axial stiffness, preload class C |
643 N/µm |
| Preload class D GD |
9600 N |
| Static axial stiffness, preload class D |
862 N/µm |
| Calculation factor f |
1.08 |
| 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 |
4.41 kg |