... precision,Long life2.Standard bearings3 .Good sevice & fast delivery Measurement: Bore: ≤ 1mmOuter bore: ≥1,000mmMaterials: chrome steel, stainless steel, ceramic and plasticTypes ... and NRLubricant: grease and oilApplications: automobiles and machiner Water-pump Bearings, Made of Chrome Steel, Stainless Steel, Ceramic or Plastic