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Description
The AMEC SD type QD (Quick Detachable) style bushing is a heavy-duty, flanged mechanical component engineered to securely lock sheaves, pulleys, and sprockets onto a drive shaft. It features a precision-tapered barrel with a single split, providing a robust, 360-degree compression grip that prevents components from slipping or vibrating loose under demanding industrial conditions.
Key Features
- Reverse Mounting Capability: Designed with symmetric bolt holes, allowing it to be mounted from either the front or the back of the pulley hub to accommodate tight spatial constraints.
- Standard Mechanical Keyway: Maintains ample wall thickness across its bore range to support standard keyways, ensuring a positive mechanical lock for high-torque applications.
- Flanged Jackscrew System: Includes an integrated collar with pre-drilled holes for standard mounting and threaded holes for hassle-free removal using pull-up bolts as jackscrews.
- Rugged Construction: Precision-machined from high-strength cast iron or steel with a protective black oxide finish to resist wear and corrosion.
Technical Specifications
- Barrel Taper: 3/4 inch per foot
- Bolt Circle Diameter: 2.688 inches
- Mounting Hardware: Requires three 1/4"-20 cap screws
- Bore Range: Available in exact fractional sizes from 1/2" up to 2"
Common Applications
- Medium-to-heavy industrial V-belt and synchronous belt drives
- Conveyor drive pulleys and material handling systems
- Industrial fans, blowers, and air-handling equipment
- Heavy-duty roller chain sprockets
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