GQZ linear ball bearings consist of cages, raceway segments and raceway carriers to guide and recirculate the balls and either seals or shields . Long raceways and their osculation allow heavy to very heavy loads。 GQZ linear ball bearings in series designed according to ISO are available in closed and open designs coping with shaft supports for heavy duty loads, where applicable. They can be mounted in closed as well as adjustable housings and are available for shaft diameters from 5 to 80 mm . Representing the next generation of GQZ linear ball bearings, those series improves on the already best-in-class range with features that include higher load ratings, longer life and reduced friction. Consist of a cage and raceway segments to support ball sets and seals. Raceways feature exceptionally long track and precision profiles to accommodate heavy loads. The new series is available for shaft diameters , with the choice of double-lip seals. Stainless steel versions are available for a wide range of harsh applications, and can be used in combination with GQZ stainless steel guiding shafts for robust resistance to humidity and other adverse conditions. Our linear ball bearings’ features and benefits: High to very high load carrying capacity ， Easy to relubricate through the lubrication port(s) ， Open and closed design ， Self-aligning version available， Stainless version available， Available through all major distributors worldwide. Typical applications: Automotive, Factory automation, Food and beverage , Machine tool, e.g. Woodworking , Medical, e.g. Optical, Railways .