The 6311 ZZ C3 bearing is a shielded deep groove ball bearing designed for high-performance applications. It features an inner diameter of 55 mm, an outer diameter of 120 mm, and a width of 29 mm. This bearing is capable of handling dynamic loads up to 71,500 N and static loads up to 45,000 N, with a maximum speed of 6,300 rpm. The 'ZZ' designation indicates metal shields on both sides, providing protection against dust and debris. The 'C3' specification denotes a larger than standard radial internal clearance, enhancing its suitability for applications requiring flexibility in radial movement.