AST Bearings LLC Datasheets for Ball Bearings

Ball bearings are used to provide smooth, low friction motion in rotary applications. Ball bearings types include radial ball bearings (deep groove and angular contact) and thrust ball bearings.
Ball Bearings: Learn more

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Product Name Notes
ABEC Grades 1, 3, 5, 7, and 9 are available. Also, the equivalent ISO classes.
ABEC Grades 1, 3, 5, 7, and 9 are available.
ABEC Grades 1and 3. Other grades can be quoted, upon request.
Also available with a single seal (-RS)
Also available with a single shield (-Z)
Also available with two light contact rubber seals = (2RU), or with a single light contact rubber seal = (RU)
Please review the technical information for the correct mounting guidelines for this bearing.
This bearing is also available with a tapered bore, add a suffix "K" after the four digit number.
This bearing is also available with a tapered bore.
Two metal shields = (ZZ), also available with a single metal shield = (Z).
Two PTFE seals = (TT), also availble with a single PTFE seal = (T)
Two rubber seals = (2RS), also available with a single rubber seal = (RS).
Width Tolerance - Outer: +.000"/-.005"

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