qd bushing

Our direct supply chain to Martin Sprockets factories gets a wider selection of QD Bushings delivered at the proper time at the proper price.
Taper bushing are trusted as well as sprockets, v-belt pulleys, timing pulleys, coupling and other mechanical parts with taper bore connections.
Taper bushing series are made from high quality engineered materials with great tolerance. The feature is definitely easy to use and needs no extra alteration. These bushings can match almost all types of assemblies and sizes. They will be the best choice in style for mechanical connections.
No costly re-boring: complete range of both metric and imperial offered.
Standard range fits up to 125mm/5″ shafts & Hub diameter required depends upon the application.
Complete brief reach range obtainable, for compact lightweight assemblies & Clean, Compact Style.
Simple installation and removal.

Our immediate supply chain to Martin Sprockets factories gets a wider selection of QD Bushings delivered at the right time at the right price.
Taper bushing are trusted together with sprockets, v-belt pulleys, timing pulleys, coupling and other mechanical parts with taper bore connections.
Taper bushing series are made of high quality engineered components with great tolerance. The feature is definitely easy to use and needs no additional alteration. These bushings can fit almost all types of assemblies and sizes. They are the best choice in style for mechanical connections.
No costly re-boring: complete range of both metric and imperial offered.
Standard range suits up to 125mm/5″ shafts & Hub diameter required depends upon the application.
Complete short reach range offered, for compact lightweight assemblies & Clean, Compact Design.
Ease of installation and removal.
The initial sheave and pulley mounting program developed to facilitate installation and alternative of components.
The QD (Quick Detachable) design offers both conventional (flange outboard) and invert (flange inboard) installation configurations.
1. Be certain the tapered cone surfaces of the bushing and the within of the driven item are clean and free from anti-seize lubricants.
2. Slide QD bushing on shaft, flange end initial. Assemble key.
3. Position QD bushing on shaft. Tighten set screw over key “hands tight” with regular Allen wrench only. Do not use excessive force.
4. Slide huge end of sheave or sprocket taper bore into placement over cone aligning drilled bolt holes in sheave or sprocket with tapped holes in flange of bushing. Assemble pull-up bolts and lock washers.
NOTE: Install M thru S bushings in the hub to ensure that both extra holes in the hub are located as far as possible from the bushing’s saw cut.
5. Tighten pull-up bolts alternately and evenly to tightness indicated in torque desk on back. Do not use extensions on wrench handles. There should be a gap between your face of the sheave or sprocket hub and the flange of the QD bushing to insure a satisfactory cone hold and press fit.
CAUTION: THIS GAP MUST NOT BE CLOSED.
Use a tapered or QD bushing from Ever-Power with sheaves, pulleys, sprockets and many other power transmitting applications. Flanged quick-disconnect bushings feature a completely split style to greatly help provide easy set up and disassembly. A tapered bushing with straight edges uses an interior screw to greatly help drive the bushing into the shaft, while a split taper includes a flange and an integral on the bushing to greatly help provide more drive.
QD bushings (in . and metric sizes) have a flanged design and show a 4° taper with typical or reverse mounting. They are stocked in well-known finished bore sizes and minimal plain bore for custom reboring.
Many people make reference to both types as a “taper lock” because they both utilize the tapered wedging action to lock to the shaft. The taper bushing, with it’s straight sides, runs on the set screw to drive the bushing into the bore of the component getting set up (sheave, sprocket, etc.). Be careful when setting up these screws. The holes with threads on the bushing are for removal just. Also be aware that the appearance of a flange on the outside of the bushing doesn’t indicate it’s a QD design. Split Taper bushing also has a flange, and the two are not interchangeable. The QD design has a split that proceeds through the flange. The Steel QD (Quick Disconnect) Type bushing offers versatile and easy set up while providing exceptional holding power. QD Bushings are used thought out the industry offering comfort and design versatility. They are precision machined of quality Metal and are set up by tightening many cap screws. This draws the bushing in to the taper bore of the product which compresses the bore of the bushing. QD bushings are often removed by using the cap screws as jack-screws. Dual drilled holes are furnished in QD Bushings permitting mounting of product in the traditional or invert positions. This enables cap screws to become installed through product hub or bushing flange whichever can be most convenient. A significant benefit in set up, cap screws are at all times inserted from the exterior where they are easily accessible. QD Bushings can be found from share with all well-known bores within the range of every size bushing.
QD Bushings include a split tapered flange with the split central to the flange and taper. They are applied to sprockets, sheaves, and pulleys where more clamping pressure is necessary over standard bored-to-size bushings. Quick-Disconnect Bushings are essential for installation v-belt drives, synchronous belt drives and roller chain drives.