RULAND MANUFACTURING Jaw Coupling Hub: JS12 Coupling Size, 3/4 in Outside Dia, Inch
3G Electric supplies the RULAND MANUFACTURING JS12-4-A Zero-Backlash Curved Jaw Coupling Hub, an inch-sized aluminum hub with a 3/4 in outside diameter for JS12 coupling size. We interpret customer demand and deliver…
SKU 3G-OTH-134359
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Product Description
3G Electric supplies the RULAND MANUFACTURING JS12-4-A Zero-Backlash Curved Jaw Coupling Hub, an inch-sized aluminum hub with a 3/4 in outside diameter for JS12 coupling size. We interpret customer demand and deliver this genuine industrial component across 14 departments, with specialist depth in combustion, pumps, and controls as an authorised distributor.
Frequently Asked Questions
What is a Ruland Manufacturing JS12-4-A jaw coupling hub used for?
The Ruland Manufacturing JS12-4-A is a zero-backlash curved jaw coupling hub used to connect two shafts in motion-control systems, compensating for minor misalignment. It is commonly applied in servo motors, encoders, and precision industrial machinery where accurate torque transmission and damping of vibration are required.
What are the specifications of the Ruland Manufacturing JS12-4-A coupling hub?
The Ruland Manufacturing JS12-4-A is a JS12-size jaw coupling hub with a 3/4-inch outside diameter, made of aluminum. It is an inch-series component designed for zero-backlash curved jaw coupling assemblies. The manufacturer part number is JS12-4-A, and it is sourced by 3G Electric for worldwide delivery.
Where to buy Ruland Manufacturing JS12-4-A coupling hubs worldwide?
You can source the Ruland Manufacturing JS12-4-A jaw coupling hub through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we provide reliable sourcing for this Ruland Manufacturing component.
How to select the correct Ruland Manufacturing jaw coupling hub size?
To select the correct Ruland Manufacturing jaw coupling hub, match the hub bore size to your shaft diameter and confirm the coupling size (e.g., JS12) aligns with the required torque and misalignment capacity. For the JS12-4-A, verify the 3/4-inch outside diameter fits your assembly. Consult Ruland's technical data for application-specific ratings.
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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.















