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Pillow Block Bearings

Pillow Blocks & FlangesPillow block bearings, flange bearing units, and take-up bearings units all consist of a housing with a bearing mounted in it. They are available in a variety of materials, mounting configurations and various bearing features. Each mounted unit acts as a system to position the bearing securely for reliable operation. Read more about each type of product using the links below.

Insert Bearings for Mounted Bearings

AST offers two types of insert bearings designed for use in mounted bearing units. Simplistically, they are divided by size with the smaller, miniature insert bearings called "collar clamp ball bearings" and the larger ones called the ER Series insert bearings:

Flanged Mounted Bearing Units

While other configurations are available from AST Bearings upon special order, the most common flanged mounted bearing units are either two-bolt or four-bolt designs. Small two-bolt designs are commonly called flangettes but are of a totally different construction and design to the heavier duty Two-bolt flange series. Click on the hyperlinks of the below to learn more each type of flanged mounted bearing units:

Axially Opposed Mounted Bearing Units

While the flanged mounted bearing units above have the axial/shaft perpendicular to the mounting surface, the units below have the shaft running parallel to the mounting surface. Click on each of the series below to learn more about each type:

Flanged Ball Bearings (Non-mounted)

Examples of Ball Bearings with built-in flangesBesides the mounted flanged bearing units above, many ball bearings have flanges as options to their configurations to aid in mounting and positioning. This is especially true for miniature and instrument bearings but applies to other ball bearing types. To see what AST offers in flanged ball bearings (non-mounted), please visit the links below:

How to Select Pillow Blocks, Flanges, Take Up Units, and Bearing Inserts

If you need help in selecting the best products for your particular application, please remember that design engineering and application assistance are available from AST as part of our value-added services designed to make your job easier.

Click here to go to our online catalog and product specifier for pillow blocks and flanges including free 3D CAD model downloads.

Pillow Block & Flanges Catalog & CAD Library

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