Martin SF-BB QD Idler Bushing, 3-1/8 in Dia Barrel, 4-5/8 in Dia Flange, 5 in OAL, Ductile Iron

SF-BB MFG #: SF-BB
$545.82 / EA
Non-Stock Item
  • Barrel Diameter: 3-1/8 in
  • Bearing Type: Ball
  • Bolt Circle Diameter: 3-7/8 in
  • Country of Origin: US
  • Flange Diameter: 4-5/8 in
  • Flange Thickness: 1/2 in
  • Manufacturer Name: Martin Sprocket & Gear
  • Material: Ductile Iron
  • Overall Length: 5 in
  • Radial Load Capacity: 4860 lb
  • Screw Size: 3/8 x 2 in (Cap Screw)/5/16-18 x 5/16 in (Set Screw)
QD (quick detachable) bushings are designed for conventional mounting or reverse mounting. These bushings have a flange.
  • Item Features
  • Size SF bushing
  • They are equipped with two electric motor grade, permanently lubricated ball bearings, mounted on a precision shoulder bolt
  • Installation is made by slipping the threaded shaft through a hole bored in support structure and tightening the locking nut
  • Sheaves, sprockets or other products can be removed without dismounting the idler bushing
  • Designed for conventional mounting or reverse mounting
  • Bushings have a flange
  • Precise machining and processes ensure consistent finish and high quality
  • Interchangeable with other manufacturers’ QD bushings