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Our immediate supply chain to Martin Sprockets factories gets a wider range of QD Bushings delivered at the right time at the right price.
Taper bushing are widely used as well as sprockets, v-belt pulleys, timing pulleys, coupling and other mechanical parts with taper bore connections.
Taper bushing series are constructed with high quality engineered components with great tolerance. The feature is easy to use and needs no additional alteration. These bushings can suit almost all kinds 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 suits up to 125mm/5″ shafts & Hub diameter required depends upon the application.
Complete short reach range available, for compact light-weight assemblies & Clean, Compact Design.
Simple installation and removal.

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 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 materials with great tolerance. The feature is certainly easy to make use of and needs no extra alteration. These bushings can fit 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 on the application.
Complete brief reach range offered, for compact lightweight assemblies & Clean, Compact Style.
Ease of installation and removal.
The initial sheave and pulley mounting system developed to facilitate installation and substitute of components.
The QD (Quick Detachable) design provides for both conventional (flange outboard) and invert (flange inboard) installation configurations.
1. Be certain the tapered cone areas of the bushing and the inside of the driven item are clean and free from anti-seize lubricants.
2. Slide QD bushing on shaft, flange end first. Assemble key.
3. Placement QD bushing on shaft. Tighten set screw over key “hands tight” with regular Allen wrench only. Usually do not use excessive force.
4. Slide huge end of sheave or sprocket taper bore into position over cone aligning drilled bolt holes in sheave or sprocket with tapped holes in flange of bushing. Assemble pull-up bolts and lock washers.
Notice: Install M thru S bushings in the hub to ensure that the two extra holes in the hub are located as far as feasible from the bushing’s noticed cut.
5. Tighten pull-up bolts alternately and evenly to tightness indicated in torque table on back. Do not use extensions on wrench handles. There must be a gap between your encounter of the sheave or sprocket hub and the flange of the QD bushing to insure a reasonable cone grasp and press fit.
CAUTION: THIS GAP SHOULD NOT BE CLOSED.
Make use of a tapered or QD bushing from Ever-Power with sheaves, pulleys, sprockets and several other power transmission applications. Flanged quick-disconnect bushings include a completely split style to greatly help provide easy set up and disassembly. A tapered bushing with directly edges uses an interior screw to help drive the bushing in to the shaft, while a split taper has a flange and a key on the bushing to greatly help provide more drive.
QD bushings (in . and metric sizes) have a flanged style and show a 4° taper with typical or reverse mounting. They are stocked in well-known completed bore sizes and minimal plain bore for customized reboring.
Many people refer to both types as a “taper lock” because they both use the tapered wedging action to lock to the shaft. The taper bushing, with it’s straight sides, uses a set screw to drive the bushing into the bore of the component getting installed (sheave, sprocket, etc.). Be cautious when installing these screws. The holes with threads on the bushing are for removal just. Also remember that the looks of a flange externally of the bushing doesn’t indicate it’s a QD style. Split Taper bushing also has a flange, and the two are not interchangeable. The QD style includes a split that proceeds through the flange. The Metal QD (Quick Disconnect) Type bushing offers flexible and easy installation while providing exceptional holding power. QD Bushings are utilized considered the industry offering convenience and design flexibility. They are precision machined of quality Steel and are installed by tightening a number of cap screws. This draws the bushing in to the taper bore of the merchandise which compresses the bore of the bushing. QD bushings are easily removed by using the cap screws as jack-screws. Double drilled holes are furnished in QD Bushings permitting mounting of product in the conventional or invert positions. This enables cap screws to end up being installed through product hub or bushing flange whichever is certainly most convenient. A substantial benefit in set up, cap screws are always inserted from the outside where they are often accessible. QD Bushings are available from share with all well-known bores within the range of each size bushing.
QD Bushings include a split tapered flange with the split central to the flange and taper. They are used on sprockets, sheaves, and pulleys where more clamping force is necessary over standard bored-to-size bushings. Quick-Disconnect Bushings are essential for mounting v-belt drives, synchronous belt drives and roller chain drives.