engineering recuitment BHEL Engineer Trainee Mock Test 2025 Design of Machine Elements Rolling Contact Bearing Bearing Life under Variable Load
A ball bearing is characterized by an essential static capacity of 12000 N and a dynamic capacity of 17000 N. This bearing is subjected to an equivalent static load of 5000 N. The bearing loading ratio and life in million revolutions, respectively, are:
1
3.81 and 54.87
2
2.4 and 13.82
3
3.4 and 39.30
4
3.27 and 34.96