NSK 6001ZZ - Highest Quality Bearing, authentic Japanese designed and manufactured by NSK Deep Groove Single Row Ball Bearings. Deep Groove ball bearings mainly take radial load as well as moderate axial load. With less coefficient of friction, less vibration and noise. Closed with Metal Shields to protect the bearings from dust or possible contamination. The 6001zz bearing is commonly used within the Elco Gearbox/Gear motor on many Slushie Machines. It is always best to replace this bearings when-ever servicing or repairing machines. Commonly used in Roller Blades and Skate Boards, Motors, Automobile & Household Applications applications, Wheel Bearings, 3D Printers Reprap and much much more. NSK Manufacturer Part number: 6001ZZ SKU: 5009806001 Outer Diameter: 28mm Inner Diameter: 12mm Thickness: 8mm Weight: 22g NOTE: Bearings are individually wrapped and boxed. Made by NSK in Japan NSK Ltd. is one of the most prominent manufacturers of bearings globally and the largest in Japan.