2 38mm dental bearing with high speed

{"cid":"91221036","title":"50000 rpm Ceramic Ball Bearing for R144 Dental Handpiece High Speed Stepped Design","imgUrl":"https:\/\/img.chinax.com\/nimg\/94\/02\/e808b828a04ebe656e53467aebc0-200x200-1.jpg","attrs":{"Price":"$4.50\/pieces 50-199 pieces","Model Number":"R144","Minimum Order Quantity":"50 pieces","Type":"BALL","Structure":"Deep Groove","Applicable Industries":"Building Material Shops, Home Use","Bore Size":"3.174 - 3.175 mm","Precision Rating":"ABEC-1,ABEC-3","Seals Type":"OPEN ZZ 2RS","Number of Row":"Single row","Place of Origin":"Zhejiang, China","Item":"Ceramic Ball Bearing","Certification":"ISO9001:2008 ISO14001:2015 OHSAS 18001:2007","Material":"ZrO2,Si3N4","Vibration Value":"Z1 Z2 Z3","Vibration Balue":"V1 V2 V3","Packaging Details":"[]","Port":"NINGBO\/SHANGHAI","Supply Ability":"500 Piece\/Pieces per Month"}}

{"cid":"91224506","title":"SR144 Silent Micro Ball Bearings Unmanned Aerial Vehicle Bearings 3.175x6.35x2.38mm","imgUrl":"https:\/\/img.chinax.com\/nimg\/5e\/db\/a3690e3a62529330c2749bc35ece-200x200-1.jpg","attrs":{"Brand Name":"DUXIN","Model Number":"SR144TLZN","Minimum Order Quantity":"100pcs","Delivery Time":"5 work days","Certification":"ISO","Place of Origin":"CHINA","Payment Terms":"L\/C,D\/A,T\/T","Supply Ability":"10000 pcs per 30days","Packaging Details":"Nude packing and will be fixed in the 40'container by iron wire","Material":"Ceremic+440C","Size":"3.175x6.35x2.38mm","Precision Rate":"ABEC7","Lubrication":"Grease, oil, dry"}}