Q. A flat foot step bearing 20 cm in diameter supports a load of 2500 kgf. The shaft is running at 420 rpm and the co-efficient is 0.09. The frictional torque, for uniform wear, will be equal to ___. (Solved)
1. 11.25 n-m
2. 15 n-m
3. 18.50 n-m
4. 20.0 n-m
- a. 11.25 n-m