1. Two sets of standard thrust ball test bearings, with an inner diameter of 16mm ± 0.025mm and an outer diameter of 35.69 ± 0.025mm;

2. Variable frequency drive controls the motor to improve control frequency accuracy and digital display of operating frequency;

3. High precision spring guide cylinder, length 31.75mm ± 0.25mm, outer diameter 23.02mm ± 0.05mm, inner diameter 13.614mm ±

0.013mm；

4. Swing bearing seat with fixing screws;

5. A set of standard fixtures;

6. Digital display time controller, with a beep prompt when the test time reaches;

1. Applicable standards: SH/T0716 ASTM D4170

2. Swing mode: motor-driven

3. Swing arc: 12 degrees

4. Swing frequency: 30Hz

5. Bearing load: 2450N

6. Operating time: 22 hours

7. Frequency control: frequency converter

8. Working power supply: AC220 50HZ

9. Whole machine power: 300W