Specification Brand : BERWENNY BulletPoint1 : Item Name: ZrO2 Ceramic Bearing Balls BulletPoint2 : Size: Diameter 7.938mm/8.000mm/8.500mm/8.731mm/9.000mm/9.525mm/10.000mm/10.319mm BulletPoint3 : Precision: G5; Surface: Ra0.01um BulletPoint4 : High temperature resistance: 800 ℃ BulletPoint5 : Hardness: HRC85-90 Color : One Color ItemName : Bearings Balls 2pcs ZrO2 Ceramic Bearing Balls 7.938mm/8/8.5/8.731/9/9.525mm/10mm/10.319mm Zirconia G5 Precision Ball(7.938mm) ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : tungsten-precision-balls Manufacturer : YINGJUN-US Material : Ceramic ModelNumber : GEVRBVGWV-DIAMETER-7.938MM NumberOfItems : 1 PartNumber : GEVRBVGWV-DIAMETER-7.938MM ProductDescription : Features: 1. Zirconia ceramic balls have the properties of high melting point, high resistivity, high refractive index and low thermal expansion coefficient. 2. Zirconia ceramic balls are Anti-resistant to high temperatures of 700~800°C, with a hardness of HRC85-90 and a surface finish of Ra0.01um. 3. Zirconia ceramic balls are used in various bearings: high-speed bearings, high/low temperature bearings, to precision ball screws. 4. Zirconia ceramic balls can also be used in high-temperature pumps, metering pumps, etc. ProductSiteLaunchDate : 2024-08-08T08:14:47.892Z Size : 7.938mm Style : Diameter UnitCount : 1