Automation Direct (Cumming, GA) offers SureMotion drive couplings in four styles: jaw/spider, double loop, Oldham, and beam-style servo. The jaw/spider coupling is a clamp-style coupling with 14- to 65-mm aluminum hubs, and bore diameters ranging from 3 /16" to 32 mm. Double loop coupling hubs are made of series 300 stainless steel with corrosion protection, and are available in 10- to 40-mm hub sizes. Oldham drive couplings feature aluminum hubs in 19- to 57-mm sizes. Beam-style servo couplings are stainless steel set-screw couplings that feature the flexibility of a bellows coupling plus the torsional stiffness and strength of a disc coupling.
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