ボールベアリングまたはローラーベアリングの内部部品で、減摩ベアリングの転がり要素の接触面を提供します。
straight bore shape, 2.0050 inches minimum and 2.0100 inches maximum overall width, steel comp e4340h or steel comp 4720 or steel comp 8620 or steel comp 8720 or steel comp 1018 or steel comp 1117 or steel comp e51100 or steel comp e52100 or steel comp 1022 overall material, 3.7492 inches minimum and 3.7500 inches maximum bore diameter, 4.2476 inches minimum and 4.2485 inches maximum overall outside diameter