A flanged ball bearing is not truly a different type of bearing. Just as ball bearings are offered sealed or open, they are also available flanged or plain. The flange is just another option given to the design engineer by the bearing manufacturer. A flange is an extension, or a lip, on the outer ring of the bearing, designed to aid the mounting and positioning of a bearing in a delicate or problematic application.

Flanged bearings are most commonly used when the application requires the bearing to be locked in place. The design engineer will want to lock the bearing axially, along the shaft, or perpendicular to the shaft, radially, depending on his application.  A flanged bearing is used in this instance to help withstand axial thrusting. If there is any axial load or axial push on the bearing, the flange will prevent the bearing from moving axially.

Any application that will require a bearing to be mounted in a high vibration area, as well as any application that requires high axial loads, will benefit from using a flanged bearing

Flanged bearings are most commonly used in light duty applications, such as food processing machinery, conveyors, material handling, belt drives in HVAC, textile, baggage systems, medical processing and various other light duty industrial applications.

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