2 38mm dental bearing for high speed

{"cid":"91223770","title":"High Speed Precision Corrosion-Resistant Sr144tlzn Miniature Dental Bearing 3.175X6.35X2.38mm ISO Medical Grade Low Friction Long-Life in Stock Wholesale","imgUrl":"https:\/\/img.chinax.com\/nimg\/b9\/db\/7916a503cc63d64d88ad852a415b-200x200-1.jpg","attrs":{"Price":"1.95","Minimum Order Quantity":"20","Model NO.":"SR144TLZN 3.175*6.35*2.38","Materials of Balls":"Stainless Steel & Ceramic","Product Features1":"High-Speed Stability","Product Features2":"Stable Operation at 450,000 Rpm","Product Features3":"Maintenance-Free&Long Life","Product Features4":"Corrosion-Resistant","Precision Design":"P4-Grade Precision","Customizable":"Customizable","Transport Package":"Plastic Tubing","Specification":"3.175*7.5*2.78","Trademark":"SKS","Origin":"China","HS Code":"84821020","Production Capacity":"100, 000 Units Per Month"}}

{"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"}}