RULAND MANUFACTURING Jaw Coupling Hub: JC12 Coupling Size, 3/4 in Outside Dia, Inch
The RULAND MANUFACTURING JC12-3-A is a zero-backlash curved jaw coupling hub in the JC12 coupling size, made of aluminum with a 3/4 in outside diameter. 3G Electric interprets your demand for this inch-series…
SKU 3G-OTH-134113
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Product Description
The RULAND MANUFACTURING JC12-3-A is a zero-backlash curved jaw coupling hub in the JC12 coupling size, made of aluminum with a 3/4 in outside diameter. 3G Electric interprets your demand for this inch-series component, sourcing it as an authorised distributor across 14 industrial departments — with specialist depth in combustion, pumps and controls — to deliver the right answer, not just a catalog.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is a RULAND MANUFACTURING JC12-3-A jaw coupling hub used for?
The RULAND MANUFACTURING JC12-3-A is a zero-backlash curved jaw coupling hub used to connect two rotating shafts in motion-control systems. It is commonly applied in servo motors, encoders, and precision positioning equipment where misalignment compensation and torque transmission are required.
What are the specifications of the RULAND MANUFACTURING JC12-3-A coupling hub?
The JC12-3-A is an inch-series aluminum jaw coupling hub with a 3/4 in outside diameter. It is designed for JC12 coupling size and manufactured by RULAND MANUFACTURING. The part number is JC12-3-A, and it is intended for use with matching curved-jaw spiders to achieve zero-backlash performance.
Where to buy RULAND MANUFACTURING JC12-3-A coupling hubs worldwide?
3G Electric supplies RULAND MANUFACTURING JC12-3-A jaw coupling hubs worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this component to any country.
How to select the correct RULAND MANUFACTURING jaw coupling hub for an application?
To select the correct RULAND MANUFACTURING jaw coupling hub, match the shaft diameters to the hub bore size and confirm the outside diameter (3/4 in for JC12-3-A). Consider torque requirements, misalignment tolerance, and operating temperature. Aluminum hubs suit lighter loads; consult the RULAND catalog for compatibility with curved-jaw spiders.
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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.















