Specification Brand : uxcell BulletPoint : ABEC RATING: ABEC1Ball Diameter: 3.969Ball Grade: 10Ball Material: AISI 52100 Chrome SteelNumber Of Balls: 7Bearing Material: AISI 52100 Chrome Steel# Of Shields: 2Inside Diameter: 8mmOutside Diameter: 22mmWidth: 7mmBasic Load: 1370 NDynamic Load: 3300 NWorking Temperature: -20 to 120 CRPM w/ Grease: 33,000RPM w/ Oil: 39,000Chrome steel ball bearing for durability and resistance to deformity under heavy loads. There are a total of 7 balls of grade 10. The shield protects the working parts of the BulletPoint1 : MR117ZZ Miniature Single Row Deep Groove Ball Bearing. BulletPoint2 : Bearing made from Chrome Steel(Gcr15) for durability and resistance. BulletPoint3 : Two steel dust shields to prevent ingress of dirt and foreign matter, high temperature resistance. BulletPoint4 : Features: simple configuration,high speed,less coefficient of friction,less vibration and noise. BulletPoint5 : Mainly take the radial load as well as moderate axial load. ExternallyAssignedProductIdentifier1 : 0688938510084 ExternallyAssignedProductIdentifier2 : 00688938510084 ExternallyAssignedProductIdentifier3 : 688938510084 IncludedComponents : bearing ItemName : uxcell 20pcs MR117ZZ 7mmx11mmx3mm Double Shielded Miniature Deep Groove Ball Bearing ItemPackageDimensions_Height : 13.462 centimeters ItemPackageDimensions_Length : 1.016 centimeters ItemPackageDimensions_Width : 10.16 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : deep-groove-ball-bearings Manufacturer : uxcell Material : Steel ModelNumber : a17070700ux0574 NumberOfItems : 5 PartNumber : a17070700ux0574 ProductDescription : 1.Bearing made from Chrome Steel(Gcr15) for durability and resistance. 2.This type bearing is Miniature Single Row Deep Groove Ball Bearing,mainly take the radial load as well as moderate axial load. 3.Bearing are fitted with two steel dust shields to prevent ingress of dirt and foreign matter, high temperature resistance. 4.Bearing Features: simple configuration,high speed,hight precision,less coefficient of friction,less vibration and noise,most widely used. 5.Miniature Deep Groove Ball Bearing suitable for all kinds of industrial equipment, micro motor,small rotary motor,office equipment and so on.