A self-aligning ball bearing has a basic dynamic load rating (C10, for 106 revolutions) of 35 kN

Q. A self-aligning ball bearing has a basic dynamic load rating (C10, for 106 revolutions) of 35 kN. If the equivalent radial load on the bearing is 45 kN, the expected life (in 106 revolutions) is

(A) below 0.5                (B) 0.5 to 0.8                (C) 0.8 to 1.0               (D) above 1.0

Ans: below 0.5

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