Products/Services for Ratchet Pulley

  • Ratchets and Pawls-Image
    Ratchets and Pawls - (24 companies)
    ...stainless steel, cast iron, brass, or other metal materials. Ratchets are sometimes called ratchet wheels because they consist of a rotating gear or rack with angled teeth. Pawls, which are sometimes misidentified as ratchets, are thin protrusions... Search by Specification | Learn More
  • Pulley Blocks-Image
    Pulley Blocks - (134 companies)
    ...with a quick-release locking mechanism. Pulley block swivels permit torsional rotation along one or more planes. Many types of bearings are also used with lifting blocks. Pulley block sheaves are grooved wheels or pulleys that, when used with a rope... Learn More
  • Belt and Chain Tensioners-Image
    Belt and Chain Tensioners - (81 companies)
    ...pulley, belt, and chain wear; and increase the life of drive components. In drives, belts and chains are installed with enough tension to create a level of friction that causes the belts or chains to grip the pulleys and the pulleys to turn. Most belt... Search by Specification | Learn More
  • Timing Pulley Flanges-Image
    Timing Pulley Flanges - (27 companies)
    ...pulleys include options for flanges. Separate flanges are available for custom pulleys made from pulley stock. Timing pulley flanges are manufactured to fit timing pulleys of the same pitch and size. The dimensions of a pitch, including the mating flange... Search by Specification | Learn More
  • Idler Pulleys-Image
    Idler Pulleys - (78 companies)
    ...around a bend or to take up slack in a drive chain. There are many types of idler pulleys. Examples include an industrial idler pulley and a metric idler pulley. An industrial idler pulley is a pulley on a shaft that rests on or presses against... Learn More
  • Round Belt Pulleys - (64 companies)
    ...or to apply/transmit power. The round belt pulley accommodates a belt, cable, or rope in a groove around the circumference of the device to guide the drive element. Round belt pulleys are very efficient (approx. 95%), they can produce a mechanical advantage... Search by Specification | Learn More
  • Timing Pulleys (inch) - (174 companies)
    ...screw or hub clamping screw. Set screws tighten directly onto the shaft for pulley attachment. Hub clamping screws squeeze the inner diameter of the hub to a tight fit around the shaft. English pitch timing pulleys that do not use hubs are also... Search by Specification | Learn More
  • Flat Belt Pulleys - (85 companies)
    ...expensive than belts used in a serpentine belt pulley. One safety factor is that in overtorque situations, the belt can slip, preventing damage to equipment other than the belt itself. Flat belts require flat pulleys and flat pulley idlers. They do... Learn More
  • Drum Pulleys - (33 companies)
    ...transmission components feature a versatile pulley design. Quarry duty drum pulleys are similar to mine duty products, but have thicker rims and an additional center disk. Extreme duty drum pulleys provide a longer, uninterrupted service life. Engineering... Search by Specification | Learn More
  • Timing Pulleys (metric) - (174 companies)
    ...diameter of the hub to a tight fit around the shaft. Metric pitch timing pulleys that do not use hubs are also available. These pulleys may be pressed or adhered onto a shaft, or use a set screw whose thread is tapped into the pulley grooves. In addition... Search by Specification | Learn More
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...point as in. the case of a ratchet and pawl assembly (Fig. 4). In addition, compression springs and sliding components can be mounted on the shoulder to allow axial. motion. The sliding component is captured on the shoulder between the head of the screw and the. mounting surface. Unlike most machine...

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