The metal shields on 688ZZ are designed to offer protection against the entry of some dirt and so on, as well as lighter mechanical damage. 688ZZ bearings also help to contain the lubricant / grease. 688ZZ budget deep groove ball bearings are versatile, robust and moderately easy to maintain. 688ZZ is well used in the agricultural industry, garden equipment, manufacturing and more.
688ZZ single row deep groove ball bearings are used in a wide variety of applications, they are simple in design, non-separable, suitable for high speeds and are robust in operation, and need little maintenance. Deep raceway grooves and the close conformity between the raceway grooves and the balls enable deep groove ball bearings to accommodate axial loads in both directions, in addition to radial loads.