Professional Instruments manufactures air bearings with frictionless rotary motion and sub-millionth-inch precision in plain or motorized form. Air bearing products include spindles, slides, rotary unions, and pads. Completely stable at speeds from zero to 50,000 rpm and loads up to 15,000 pounds.

Air Bearing Technology is a full service, in-house manufacturer of air bearings, including spindles, disk and wafer chucks, slides, motion controllers and support equipment utilizing a unique spherical spindle design.

Cranfield Precision's miniature air bearing spindle is only 35mm diameter and 103mm long. It features a linear slide that allows for an axial stroke of several millimeters and the available speed range also makes the spindle suitable for other high speed micro machining applications in a restricted space.

Loadpoint Bearings is a manufacturer of air bearing products for a wide variety of industries. They offer high precision spindles optimized to suit customer requirements. Design specialists can review your specifications to ensure optimum air spindle selection.

Nelson Air offers a variety of precision air bearings and integrated positioning systems designed to meet the needs of many applications.

Westwind Air Bearings designs and manufactures air bearings for PCB manufacturing, automotive coating, semiconductor manufacturing equipment and many other markets. Air bearing features include high precision, high integrity design solutions, high rotational speed, consistent performance and long life.