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Description
The AMEC SK type QD (Quick Detachable) style bushing is a heavy-duty, flanged industrial component engineered to secure high-torque sheaves, pulleys, and sprockets to a drive shaft. It features a larger, more robust footprint than the SD or SDS series, providing a high-capacity, 360-degree compression grip designed for demanding mechanical power transmission.
Key Features
- High Torque Capacity: Built with a larger barrel and thicker flange to handle significantly higher horsepower and shock loads than smaller QD series.
- Dual-Mount Flexibility: Features symmetric bolt holes that allow for convenient standard or reverse mounting depending on your machinery's clearance constraints.
- Full-Length Mechanical Keyway: Accommodates deep, standard keyways across its entire bore range to ensure a positive, slip-proof connection on keyed shafts.
- Jackscrew Self-Ejection: Includes threaded holes in the flange, allowing the mounting bolts to act as jackscrews for fast, hassle-free removal during maintenance.
Technical Specifications
- Barrel Taper: 3/4 inch per foot
- Bolt Circle Diameter: 3.313 inches
- Mounting Hardware: Requires three 5/16"-18 cap screws
- Bore Range: Available in exact fractional sizes from 1/2" up to 2-5/8"
Common Applications
- Heavy industrial rock crushers and mining equipment
- Large commercial HVAC fans and blowers
- High-horsepower agricultural machinery and grain elevators
- Primary drive pulleys on heavy-duty conveyor systems
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