MARTIN SK 2 1/4
$77.65Price
Quick Disconnect Bushing, SK Series, Finished Bore with Keyway, Cast Iron Material
- Precision Machined: Manufactured from high-grade iron and steel to ensure tight dimensional tolerances and maximum shaft gripping force.
- 4° Tapered Split Design: Provides a true clamp fit on the shaft, eliminating backlash and fretting corrosion under heavy vibration.
- Fully Reversible Mounting: Versatile design allows for standard flange-first or reverse barrel-first installation.
- High Torque Capacity: Heavy-duty industrial rating engineered to handle severe shock loads and high torque power transmission.
Bushing Series SK Finished Bore Diameter 2 1/4 in Keyway Size 1/2 in x 1/4 in Material Sintered Steel / Cast Iron / Ductile Iron Weight 1.13 kg (approx. 2.5 lbs) Mounting Style Standard or Reverse Mounting Flange Outside Diameter (OD) 3.875 in (3-7/8 in) Flange Thickness 0.500 in (1/2 in) Barrel Diameter 2.812 in (2-13/16 in) Barrel Length 1.438 in (1-7/16 in) Length Through Bore (LTB) 1.938 in (1-15/16 in) Bolt Circle Diameter (BCD) 3.312 in (3-5/16 in) Cap Screws Required 3 Cap Screw Thread Size 5/16-18 Cap Screw Length 2 in Recommended Screw Wrench Torque 180 in-lbs (15 ft-lbs)