SilentSync® H Inch Bushings
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.