On what does the basic static capacity of a ball bearing depends?
(a) Directly proportional to number of balls in a row and diameter of ball
(b) Directly proportional to square of ball diameter and inverse of number of rows of balls
(c) Directly proportional to number of balls in a row and square of diameter of ball
(d) Inversely proportional to square of diameter of ball and directly proportional to number of balls in a row