General Studies · Machine Design
If P = equivalent dynamic load, Fr = radial load, Fa = axial or thrust load, V = race-rotation factor, and X and Y are radial and thrust factors respectively, then the correct expression for equivalent dynamic load on a bearing is:
- 1P = X Fa - Y V Fr
- 2P = X V Fr + Y Fa✓
- 3P = X Fa + Y V Fr
- 4P = X V Fr - Y Fa
Correct answer
P = X V Fr + Y Fa
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