... (Contact rubber seals), 2RZ (Non-contact rubber seals). The 6000 Ball bearings usage: Motor, Power tools, House hold appliances, Washing machines ... applications, Caravan wheel bearings.2. 6000 Details Products nameDeep groove ball bearingBrand nameW QSeries6000 seriesMaterialChrome steel (Gcr15)OriginalChinaSealingOpen, Shield(Z, ZZ ...