Using the bearing life equation L10 = (C/P)^p × 10^6 revolutions, calculate L10 for a ball bearing with C = 50 kN and a sustained radial load P = 20 kN. Take p = 3.

Using the bearing life equation L10 = (C/P)^p × 10^6 revolutions, calculate L10 for a ball bearing with C = 50 kN and a sustained radial load P = 20 kN. Take p = 3.

• A. 8.0 million revolutions
• B. 3.2 million revolutions
• C. 50 million revolutions
• D. Approximately 15.6 million revolutions.

Answer: (D)