Question

jisne jisne dinner kar kiy hai wo ............ nahi kya abb mujhe bhi khaoge kya irada kya hai yrr​

Answer 1

Answer:

purpose of ball bearing used to reduce rotational position and support radial and axial load as one of the bearing this is rooted it causes the balls to rotate as well because the balls are rolling they have a much lower coefficient of friction then if two flat surface for sliding against each other