Overrunning Clutches & Backstops

NFR

Stieber Clutch NFR Type

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).

  • Altra Industrial Motion - Australia (Sydney)
  • Sydney New South Wales
  • Unit 1, 11 Penny Place
  • Arndell Park, NSW. 2148
  • Phone: 1300 ALTRAMOTION
  • Altra Industrial Motion - Australia (Melbourne)
  • Melbourne Victoria
  • Suite 36, Level 2/222 Lonsdale Street
  • Melbourne, VIC 3000
  • Phone: 1300 ALTRAMOTION
  • Altra Industrial Motion - Australia (Mackay Queensland)
  • Mackay Queensland
  • 14/20-34 Caterpillar Drive
  • Paget, QLD 4740
  • Phone: 1300 ALTRAMOTION
  • Altra Industrial Motion - Australia (Perth)
  • Perth Western Australia
  • 271 Great Eastern Highway
  • Belmont, WA 6104
  • Phone: 1300 ALTRAMOTION