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。
66 fed spec single material response overall material document and classification, drop per side at gage line 0.0001-0.0002 in.; enthone ebonol s30 60380 roller special features, 0.4940 inches minimum and 0.5040 inches maximum overall length, 0.0931 inches minimum and 0.0932 inches maximum rolling element diameter, steel comp e50100 and steel comp e52100 overall material