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  • Ground Rubber Balls
PAI Ground Rubber balls are available in a variety of materials, including Viton®, Buna N, Neoprene®, HNBR and more.

Click here to view our Rubber Ball Brochure.
Unit of Measure

Item #

Fractional Diameter (inches)

Decimal Diameter (inches)

Diametric Tolerance (±) (inches)

Sphericity (inches)
N/A 3/16 N/A .187 N/A .003 N/A .003
N/A 1/4 N/A .250 N/A .003 N/A .003
N/A 5/16 N/A .312 N/A .003 N/A .003
N/A 3/8 N/A .375 N/A .003 N/A .003
N/A 7/16 N/A .438 N/A .004 N/A .004
N/A 1/2 N/A .500 N/A .004 N/A .005
N/A 5/8 N/A .625 N/A .004 N/A .005
N/A 3/4 N/A .750 N/A .004 N/A .005
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