ローラー ベアリングの転動体となる、中実または中空構造の円筒形本体。
2330-01-303-8832 m1000 chettl trailer end item identification, 6.0000 inches nominal overall outside diameter, 4.0000 inches nominal overall width, steel comp 4140h overall material, 4.6210 inches minimum and 4.6220 inches maximum bore diameter