Abstract The low power loss of an externally pressurized pocket bearing is accompanied by dependence upon the reliability of the external pressure source. In this new hydrodynamic pocket-bearing design the required flows and pressures are generated by hydrodynamic action within the bearing. Power loss about half that for conventional thrust bearings is readily achieved. Preliminary operation on bearings of this design has been successful, indicating application in high-speed installations where low bearing loss is desirable, and in machines where a measurement of thrust may be useful. The bearing lends itself readily to a frictionless ball-seat mounting, and the principle may be applied to journal bearings.