engineering recuitment HPCL Engineer Mock Test 2024 Design of Machine Elements Sliding Contact Bearing Heat Generated in Bearing
A flat end foot step bearing supports a vertical shaft of 150 mm diameter rotating at 10rad/s. The shaft carriers a vertical load of 20 kN. Assuming uniform pressure distribution and coefficient of friction equal to 0.05, the power lost in friction is,
1
500 W
2
750 W
3
1000 W
4
1125 W