Specification Brand : Bison ItemName : Bull Head Live Centers - BISON Brand MT1 / .77 lbs. / 5000 RPM / 220 lbs. Max. Weight / .0003" Max. run out ItemTypeKeyword : live-centers Manufacturer : Bison PartNumber : 80000011527 ProductDescription : TRIPLE BEARING DESIGN * Three matched bearings are preloaded at the factory providing good thrust and radial capabilities. * Bearings are protected by a a special seal. * Head is made of high carbon alloy steel, heat treated to RC 61-63. * 60 degree head angle. * Designed to hold pipe and hollow work. ProductSiteLaunchDate : 2011-09-07T18:00:45.778Z SupplierDeclaredDgHzRegulation : unknown UnspscCode : 40000000