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Spider Couplings
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With two hubs gripping a rubbery spider in the center, these couplings damp vibration and transfer torque while flexing to handle misaligned shafts. The metal hubs never touch each other, so there's no need for lubrication. Also known as Lovejoy® couplings. For a complete coupling, select two hubs and one spider or two hubs, one split spider, and one retaining ring. Choose components with the same trade size to ensure they'll fit together.
Hubs
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The metal body mounts onto shafts to transmit torque from one shaft to the other through the flexible center.
Keyed—Mount onto shafts with a matching keyway.
Iron—Best for dry environments, since moisture will cause these hubs to rust.
Set-Screw Shaft Mount—Screws dig into your shaft for a secure hold.
