A prepared interface that supports a bearing, valve, or seal, ensuring proper alignment and load distribution. The surface finish and dimensional tolerance of this area are critical to prevent leaks, vibration, or premature wear. Poor preparation here often leads to immediate failure of the installed component under operating pressures.
Heard on the job
Check the bearing seating for any scoring before you press the new one in.
Also heard as
- seat
- mounting
Related terms
Bearing
A machine element that constrains relative motion to a desired direction and reduces friction between moving parts.
Poppet valve
A directional valve consisting of a flat disk on a stem that lifts away from its seat to permit flow.
Journal box
A protective housing that encloses a rotating shaft end and its bearing to retain lubricant and block debris.