RULAND MANUFACTURING Jaw Coupling Hub: JS21 Coupling Size, 1 5/16 in Outside Dia, Inch
SKU 3G-OTH-134305
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Frequently Asked Questions
What is a Ruland Manufacturing jaw coupling hub used for?
A Ruland Manufacturing jaw coupling hub connects two shafts in motion-control systems, transmitting torque while accommodating minor misalignment. It is commonly used in servo motors, encoders, and industrial automation equipment where zero-backlash and reliable power transmission are required.
What are the specifications of the Ruland JSC21-6-A jaw coupling hub?
The Ruland JSC21-6-A is an inch-series, zero-backlash curved jaw coupling hub made of aluminum. It has a 1 5/16 in outside diameter and is designed for JS21 coupling size. The manufacturer part number is JSC21-6-A.
Where to buy Ruland Manufacturing jaw coupling hubs worldwide?
3G Electric supplies Ruland Manufacturing jaw coupling hubs worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on the JSC21-6-A or other Ruland coupling components.
How to select the correct Ruland jaw coupling hub for my application?
To select the correct Ruland jaw coupling hub, match the coupling size (e.g., JS21) to your shaft diameters and torque requirements. Verify the outside diameter and material—aluminum for low inertia, steel for higher torque. Ensure zero-backlash curved jaw design fits your motion-control needs.
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3G Electric supplies RULAND MANUFACTURING zero-backlash curved jaw coupling hubs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
