Q. A flat foot step bearing 225 mm in diameter supports a load of 7500 N. If the co-efficient of friction is 0.09 and the shaft rotates at 60 rpm, calculate the power lost in frictional torque and frictional power in watts with uniform pressure is ___. (Solved)
1. 50.62 n-m and 317.92 watt
2. 60.62 n-m and 320.92 watt
3. 57.68 n-m and 321.92 watt
4. 55.50 n-m and 410.12 watt
- a. 50.62 n-m and 317.92 watt