... retainer Items: Bicycle steel ball retainer Specification: 5/32X14 , 5/32X16 , 5/32X22, 3/16X7, 1/4X7 , 1/4X9 , 1/4X11, ... 7/32X9 , 5/16X7 , 5/16X9 etc.Application : bicycle industryPacking : 2000/1000/ ... excellent surface quality and high hardness.7)Using:1. General industry for automobile, motorcycle, bicycle manufacturing, special bearings & micro – ball ...