al o bearings for meters

{"cid":"91184473","title":"Ruby Bearings Al\u2082O\u2083 Single Crystal for Precision Instruments and Meters","imgUrl":"https:\/\/img.chinax.com\/nimg\/83\/7f\/1735efd49afd6319edcd9c460762-200x200-1.jpg","attrs":{"Price":"by case","Brand Name":"ZMSH","Model Number":"Ruby Bearings","Minimum Order Quantity":"500","Delivery Time":"2-4weeks","Certification":"rohs","Place of Origin":"CHINA","Payment Terms":"T\/T","Packaging Details":"package in 100-grade cleaning room","Size":"Customized","Material":"Al\u2082O\u2083 Single Crystal","Inner Diameter":"0.05mm-3mm","Tolerance":"\u00b10.001mm","Surface Roughness":"Ra\u22640.01\u03bcm","Applications":"Aerospace & Defense, Medical Devices"}}