
Ball Bearing "V" Block with Clamps
*Important Note: Balls Are Fixed In Blocks And Are Not Designed To Rotate In Use.* ...Overcomes Production or Set-Up Difficulties Inherent in Plain V-Blocks. Overcomes Geometric Limitations. Enables you to inspect and detect out-of-round conditions and lobes with no damage to parts and no damage to blocks Complete with clamps and Test Ball. Features Accuracy of Balls: 25 millionth of an inch sphericity on small and medium set. 50 millionths of an inch on large set. Overall accuracy of matched pairs +/-5 microns. Balls Rockwell C-62 - Surface finish 0.2 microinches. Calibrated balls are certified. Class 40 cast iron, used on base and housing, is heat stabilized and seasoned. Spacers are hardened through and precision ground by pairs. Pair of blocks assembled using metrology equipment. Dimensions Available in 3 sizes with ranges of: 3/64"-2 1/2"; 3/22"-5"; 3/16"-15" AND UP. Sold in matched pairs complete with clamps (for use when machining). Functions Balls undergo slight elastic