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Jaw Coupling Hubs and Spiders

81 products
Jaw coupling hubs and spiders connect two drive shafts to transfer power while absorbing shock and vibration and accommodating misalignment. This helps to protect the components from damage. Jaw coupling assemblies consist of two hubs and a spider insert with a jaw from each hub fitted alternately with the lobes of the spider. Spider inserts can be replaced when they become worn or damaged. The coupling will continue to operate even if the spider insert fails, allowing the drive system to be properly shut down before replacing the spider. Jaw couplings do not require lubrication and are commonly used in electric motor applications, such as pumps, compressors, and gearboxes.
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