1.High precision, Long life 2.Quick delivery,best after-sale 3.Durability 4.Small order accepted Key Specifications/Special Features:Available in various sizesMaterial: chrome steel, stainless steel, ceramic, and plasticApplications: automobiles and machineryLubricant: grease and oil Nonstandard Bearing,Made of Chrome Steel, Stainless Steel, Ceramic, and Plastic