Martin

Martin J 4 1/4 Standard QD Bushing, 4-1/4 in Dia Bore, 5.148 in Dia Barrel, 7-1/4 in Dia Flange, 4-1/2 in OAL, Ductile Iron

J 4 1/4 MFG #: J 4 1/4
$290.43 / EA
Non-Stock Item
  • Barrel Diameter: 5.148 in
  • Bolt Circle Diameter: 6-1/4 in
  • Bore Diameter: 4-1/4 in
  • Country of Origin: US
  • Flange Diameter: 7-1/4 in
  • Flange Thickness: 1 in
  • Hub Diameter: 9 in
  • Keyway Size: 1 x 1/8 in
  • Manufacturer Name: Martin Sprocket & Gear
  • Material: Ductile Iron
  • Number of Bolt Holes: 3
  • Overall Length: 4-1/2 in
  • Screw Size: 5/8-11 x 4-1/2 in
  • Torque Rating: 45000 in-lb
  • Type: Standard
QD (quick detachable) bushings are designed for conventional mounting or reverse mounting. These bushings have a flange.
  • Item Features
  • Includes
  • Size J bushing
  • Recommended for use with QD bushed parts
  • Tolerances meet or exceed industry guidelines and standards
  • Precise machining and processes ensure consistent finish and high quality
  • Interchangeable with other manufacturers’ QD bushings
Cap Screws, Lock Washers, Setscrew, Instruction Sheet and Key