Browse By Category
  • Type NFR is a bearing supported roller type freewheel without any sealing. Lubrication and sealing must be provided by the installation. Standard lubrication is oil.


    Size 8 to 20 units use steel on steel bearing support from the inner race. Above size 25, two 160.. series ball bearings are used, giving a higher overrunning speed capacity. A typical arrangement is shown overleaf. The inner race is keyed to the shaft. The outer race has a positive n6* tolerance to give a press fit in a housing to H7*. Additional side notches provide for positive torque transmission.The housing must be strong enough to not expand after assembly.


    *These data refer to the indications in the product data sheet attached below (on page 2).

    Book a FREE Assessment

    Drive-Line Inc. is proud to have partnered with some of the leading manufacturers of industrial clutches and brakes to deliver you the most advanced motion control solutions available on today’s market.