SilentSync® H Inch Bushings

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QD Bushings Quick Disconnect

Each QD bushing starts with a letter then a fraction. Example:  H 1-1/4 = Bushing H is the series size and the fraction call out is the shaft size. This example the bushing bore is 1-1/4” Bushings are supplied with bolts, lock washers. Keys are supplied only if a special shallow keyway is required. The H 1-1/4-inch bushing can be used to install on any “H” sprocket hub.

The QD® bushing system is an industry standard style.

Important: Do not use lubricants during bushing installation.

  • Ease of installation and removable.
  • Match required bushing letter with corresponding sprocket
  • Reversing thread for removal of sprocket.
  • Do not use lubricant on bolts when installing bushing.  
  • Do not over tighten bolts on bushing when installing.

QD Bushings Quick Disconnect

Are easy to install and remove. They are split through flange and taper to provide a positive clamp on the shaft. Cap screws and lock washers are provided with each bushing to securely fix the bushing to the shaft. Bushings have a gradual taper (3/4-inch taper per ft). QD style sprockets will have a letter built into the part number and in the product view you will find the required bushing to use. We also have Metric H QD Bushings for most Metric sized shafts.