engineering recuitment GATE ME 2023-24 Test Series Design of Machine Elements Rolling Contact Bearing Bearing Life under Variable Load
The expected life of a ball bearing subjected to a load of 9800 N and working at 1000 rpm is 3000 hours. What is the expected life of the same bearing for a similar load of 4900 N and speed of 2000 rpm?
1
12,000 hours
2
6,000 hours
3
1,500 hours
4
Unchanged