Specification Brand : uxcell BulletPoint1 : 3/8" in diameter; Package includes 10 piece ball BulletPoint2 : Precision grade G25 balls BulletPoint3 : Made of 440C stainless steel with maximum in material strength and highest hardness BulletPoint4 : smooth surface precision balls BulletPoint5 : Comparable with chrome steel balls in hardness ItemName : uxcell 3/8-inch Bearing Balls 440C Stainless Steel G25 Precision Balls 10pcs ItemPackageDimensions_Height : 14.986 centimeters ItemPackageDimensions_Length : 1.016 centimeters ItemPackageDimensions_Width : 10.16 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : deep-groove-ball-bearings Manufacturer : uxcell Material : Alloy Steel ModelNumber : a19091800ux0311 NumberOfItems : 1 PartNumber : a19091800ux0311 ProductDescription : -440C stainless steel balls provide maximum hardness, toughness and dimensional stability. -They are highly resistant to rolling-contact weariness. -440C stainless steel balls are used in a hardened condition, perform similarly to tool steels, and are suitable for antifriction bearings (rolling bearings). -440C stainless steel balls generally have excellent resistance to mild acids, alkalis, foods, fresh water and air. -440C balls are uses in bearings, valves, locking mechanisms, fasteners and quick-disconnect couplings.
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