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AS AN ESSENTIAL, LIFE-SUSTAINING BUSINESS, AST BEARINGS WILL REMAIN OPEN AMIDST THE CORONAVIRUS PANDEMIC.

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Linear Bushing Bearings - Round Shaft Series

AST’s Linear Bushing products are high precision linear motion rolling guides which travel along shafts to achieve endless linear motion. In the external cylinder, a retainer, steel balls, etc. are compactly incorporated.

Low Frictional Linear Motion - Steel balls are accurately guided by a retainer so that low frictional resistance and stable linear motion can be achieved.

Wide Selection - For each dimensional series, standard, adjustable clearance and open types are available with and without seals, so the best linear bushing for the application may be selected.

Stainless steel Available - Linear Bushings made of stainless steel are also available. This type is suitable for applications where corrosion resistance is important.

Simple Replacement Of Conventional Plain Bushings - It is easy to use Linear Bushings instead of conventional plain bushings, because both types are used with a round shaft, and no major redesign is necessary.

A wide variety of sizes are available from AST for virtually every application (special orders also available).

Round Shaft Series Bearings
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Bearings Catalog

Check out our online product catalog with more than 10,000 products with full specifications & 3D CAD Models available for download - all free of charge!

Inch Series:

  • LBB Series – Inch Dimensions, without seals, standard closed,
  • LBB-AJ Series – Inch Dimensions, without seals, adjustable clearance,
  • LBB-OP Series – Inch Dimensions, without seals, open type
  • LBB-UU Series – Inch Dimensions, with seals, standard closed,
  • LBB-UUAJ Series – Inch Dimensions, with seals, adjustable clearance,
  • LBB-UUOP Series – Inch Dimensions, with seals, open type

Metric Series:

  • LBD Series – Metric Dimensions, without seals, standard closed,
  • LBD-AJ Series – Metric Dimensions, without seals, adjustable clearance,
  • LBD-OP Series – Metric Dimensions, without seals, open type
  • LBD-UU Series – Metric Dimensions, with seals, standard closed,
  • LBD-UUAJ Series – Metric Dimensions, with seals, adjustable clearance,
  • LBD-UUOP Series – Metric Dimensions, with seals, open type
  • LBE Series – Metric Dimensions, Small Profile, without seals, standard closed,
  • LBE-AJ Series – Metric Dimensions, Small Profile, without seals, adjustable clearance,
  • LBE-OP Series – Metric Dimensions, Small Profile, without seals, open type
  • LBE-UU Series – Metric Dimensions, Small Profile, with seals, standard closed,
  • LBE-UUAJ Series – Metric Dimensions, Small Profile, with seals, adjustable clearance,
  • LBE-UUOP Series – Metric Dimensions, Small Profile, with seals, open type

AST Bearings is proudly presenting our new certificates for both the NJ and CA locations: AST Bearings’ ISO 9001:2015 Certificates

To learn more about what the ISO 9001 standard is, the differences between the 2015 and 2008 versions, and how AST verifies customer satisfaction: Learn About AST Bearings’ certification to ISO 9001:2015

Need Assistance Selecting the Proper Round Shaft Series?

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.

Value added services

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