Keyless bushing

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Keyless shaft bushings provide secure connections between the shaft and hub while reducing stress or wear to mounted components. Using surface pressure to maintain their position, they eliminate the need for keyways, tapers, and tapped holes, which can cause component stress and wear due to fretting, corrosion, and backlash. View Quote. Request Quote. Click image to enlarge. A keyless bushing does not rely on the key to transmit torque, but instead utilizes the entire circumference of the shaft for more efficient performance with no backlash. Surface pressure is distributed evenly over the full length of the connection, reducing micro-movements which can cause fretting.

Keyless bushing

Also known as Trantorque bushings, these tighten with a twist of the collar nut— no screws needed. As you tighten the collar nut, the inner sleeve contracts onto the shaft and the outer sleeve expands to hold your sprocket, pulley, or gear. Stainless steel bushings are corrosion resistant for use in harsh environments. For technical drawings and 3-D models, click on a part number. Insert these bushings into the bore of your sprocket for flush or recessed mounting. They handle shock loads and have higher torque ratings than self-centering bushings. When you tighten the included clamping screws, the bushing's inner sleeve contracts onto the shaft and the outer sleeve expands to hold your sprocket, pulley, or gear. They can be mounted on shafts with or without keyways. A mounting flange prevents movement during tightening, so it's easy to center these bushings in your sprocket. They are also good for shock loads. When you tighten the included screws, the bushing's inner sleeve contracts onto the shaft and the outer sleeve expands to hold your sprocket, pulley, or gear. A toothed slot lets these bushings contract for insertion into the bore of your sprocket or pulley and then expand for a snug fit. Made of spring steel, they flex under stress and shock and can handle oscillating or slow rotational motion. Support the weight of a motor and transfer torque to another shaft at the same time with these couplings. Often used to hang motors from conveyor belts and other driven equipment, or to connect long sections of shafts, these couplings eliminate the need for support brackets.

Surface pressure is distributed evenly over the full length of the connection, reducing micro-movements which can cause fretting. Bushing Type.

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ETP keyless bushings are shaft locking devices used to create precise shaft-to-hub connections in high-demanding applications. They are ideal for positioning and locking shaft components in a system, and provide the best alternative to keyways and tapers, which can weaken or cause excess wear to shaft couplings. Keyless shaft bushings enable fast, precision mounting of shaft components, providing solutions in the following situations:. For more information on our ultra-low runout, ETP keyless shaft bushings, contact us or find your local sales representative. Zero-Max ETP keyless locking devices are designed to solve specific application requirements, such as phasing and timing to synchronize machine components. ETP keyless bushings feature double-walled sleeves and tightening mechanisms that form solid, continuous connections between shafts and hubs when tightened. All ETP keyless shaft bushings slide easily onto shafts to quickly and securely lock motion control components into position. Disassembly of the shaft-to-hub connection is equally fast. See specific model information below for complete details. View Quote.

Keyless bushing

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Made of spring steel, they flex under stress and shock and can handle oscillating or slow rotational motion. Shaft Coupling Motion. Flush-Mount Screw-Clamp Bushings. Automation Machines. Email Us From. Posi-Lok Bushings Provide High Torque Transmission and Reliable Performance Posi-Lok keyless shaft bushings utilize tapers that form a mechanical locking wedge as the actuation screws are tightened, pressing the inner sleeve against the shaft and outer sleeve against the hub. RoHS Compliance. Create login. Press Fit. Torque, in.

Also known as Trantorque bushings, these tighten with a twist of the collar nut— no screws needed. As you tighten the collar nut, the inner sleeve contracts onto the shaft and the outer sleeve expands to hold your sprocket, pulley, or gear.

To install these couplings, use a torque wrench to tighten each screw to the fastener tightening torque listed for each coupling size. The clamping screws on the coupling face squeeze two outer collars against an inner ring, pressing it tight against shafts to lock them together. Speed, rpm Max. Keyless shaft bushings provide secure connections between the shaft and hub while reducing stress or wear to mounted components. System of Measurement. Do not exceed the overhung load capacity for a coupling. Support the weight of a motor and transfer torque to another shaft at the same time with these couplings. Use a torque arm to prevent hanging motors from spinning. View Quote. We offer various models and styles to meet your high-performance application requirements. Overall Wd. To install, simply slide the Posi-Lok over the shaft, slide the hub sprocket, pulley, etc. Filter by. Posi-Lok bushings are ideal for positioning and locking shaft components in a system, and eliminate the need for keyways, tapers, and tapped holes, which can weaken or cause excess wear to shaft couplings.