Expansion sleeves, also known as locking assemblies, are keyless locking devices for shaft and hub connection. They transmit torque through the friction generated after tightening the bolts. No keyway needed on shaft or hub, easy installation and disassembly.
Our expansion sleeves are widely used on vertical mills, ball mills, conveyors and reducers in cement production line. Made of high strength alloy steel, good concentricity and reliable performance under heavy load. Various standard sizes available, customized service is acceptable.
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