實心或空心結構的圓柱體,為滾子軸承提供滾動元件。
steel overall material, 0.0943 inches minimum and 0.0945 inches maximum rolling element diameter, 0.5420 inches minimum and 0.5520 inches maximum overall length, -50,fscm 60380 mfr ref single material response overall material document and classification, rockwell hardness c scale 60 min 64 max special features