For over 120 years the brand 'FAG' has been synonymous with the manufacturing of high quality, precision roller bearings. With a portfolio that includes the automotive, mechanical engineering and aerospace industries, their continuous development and research has ensured they are one of 'the' leading brands...worldwide!In 1883, Friedrich Fischer designed a ball grinding machine in Schweinfurt, Germany. For the first time it was possible to produce completely round steel balls by grinding. This invention was and still is regarded as the foundation for the entire rolling bearing industry and is one of the reasons why FAG has long been considered to be a pioneer in rolling bearing technology!Code Referance:2ZR - A bearing with metal shields either side, which give good protection against dust and also retains the greese lubrication.2RSR - A bearing with rubber seals either side, which protects against dust and water and also retains it's greese lubrication, the seals do however reduce the