Specification Brand : uxcell BulletPoint1 : Ceramic Bearing Balls 2.5mm, ZrO2 Zirconium Oxide Ball G5 Precision BulletPoint2 : Pearly luster and a smooth spherical surface BulletPoint3 : G5 precision grade balls, Self-lubricating BulletPoint4 : Excellent strength, high toughness and wear resistance BulletPoint5 : Suitable for a range of purposes ItemName : uxcell 2.5mm Ceramic Bearing Balls, ZrO2 Zirconium Oxide Ball G5 Precision 25pcs ItemPackageDimensions_Height : 13.3 centimeters ItemPackageDimensions_Length : 1.4 centimeters ItemPackageDimensions_Width : 9.5 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : deep-groove-ball-bearings Manufacturer : uxcell Material : Ceramic,Oxide,Material ModelNumber : a19092400ux0237 NumberOfItems : 1 PartNumber : a19092400ux0237 ProductDescription : Description: -Zirconium Oxide ZrO2 (also known as zirconia) is a material with very low thermal conductivity, high strength and very high resistance to crack propagation. -Used in applications such as precision bearings, pumps and valves, check valves, flow meters, and measurement instruments that operate in aggressive environments. -Specially useful for casters, drawer slides, door locks and many other applications.
Suitable for a range of purposes, some of the most common are listed below: -1/8" is often used for clusters and old English-style headsets -1/4" is often used for rear wheels and bottom brackets -3/16" is often used for front wheels -5/32" is often used for headsets with pressing cups