3 2g cm3 full ceramic bearings

{"cid":"91197616","title":"High Temperature 3.2g\/Cm3 Si3N4 Full Ceramic Bearings","imgUrl":"https:\/\/img.chinax.com\/nimg\/36\/3d\/6a0b83650ca8ae6d603c3a090465-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"OEM","Minimum Order Quantity":"Negotiable","Delivery Time":"10-15 working days","Certification":"ISO 16949","Place of Origin":"CHINA","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Supply Ability":"1000000 Piece\/ per Month","Packaging Details":"Wooden cases standard export package","Material":"Si3N4","Density":"3.2g\/cm3","Material of Rings & Balls":"Full Si3N4 ceramic material","HV Hardness":"1700 HRC","Coefficient of expansion":"3.20 10^-6\/\u2103","The highest temperature":"1000\u2103"}}

{"cid":"91180266","title":"Ceramic Plain Bearings Sic Ceramic Balls , Higher rigidity Lower Rupture Toughness","imgUrl":"https:\/\/img.chinax.com\/nimg\/e6\/86\/35acd39c935f2f892f8a29c6e265-200x200-1.jpg","attrs":{"Price":"negotiated","Brand Name":"TOB Ceramic Bearings","Minimum Order Quantity":"negotiated","Delivery Time":"negotiated","Certification":"ISO 16949","Place of Origin":"China","Payment Terms":"T\/T","Supply Ability":"negotiated","Packaging Details":"Cartons or Pallets","Material":"Sic Ceramic","Density":"3.2 g\/cm3","Grad":"G5-G200","HV Hardness":"2400 HRC","Coefficient of expansion":"4.0 10^-6\/\u2103","The highest temperature":"800\u2103"}}