SSC SSC JE Mechanical 2025 Mock Test Series (Paper 1 & Paper 2) Design of Machine Elements Sliding Contact Bearing Thin Film Lubrication
In hydrodynamic bearings
1
oil film is maintained by supplying oil under pressure
2
oil film pressure is generated only by rotation of journal
3
External supply of lubricant is not required
4
Grease is used for lubrication