RULAND MANUFACTURINGZero-Backlash Curved Jaw Coupling Hubs

RULAND MANUFACTURING Jaw Coupling Hub: JS12 Coupling Size, 3/4 in Outside Dia, Inch

3G Electric supplies the RULAND MANUFACTURING JS12-5-A, a zero-backlash curved jaw coupling hub in the JS12 coupling size. This inch-sized aluminum hub has a 3/4 in outside diameter, sourced and supported for…

SKU 3G-OTH-134368

Brand

RULAND MANUFACTURING

Item

Jaw Coupling Hub: JS12 Coupling Size, 3/4 in Outside Dia, Inch

Technical Specifications

RULAND MANUFACTURING

Manufacturer Part Number

JS12-5-A 

Type

Inch, Aluminum 

Outside Dia

3/4 in 

View Full Spec Sheet

Technical Documents

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RULAND MANUFACTURING Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is RULAND MANUFACTURING JS12-5-A jaw coupling hub used for?

The RULAND MANUFACTURING JS12-5-A is a zero-backlash curved jaw coupling hub used to connect two shafts in motion-control systems, such as servo motors and encoders. It accommodates misalignment while transmitting torque smoothly in industrial automation, packaging, and robotics applications.

What are the specifications of the RULAND MANUFACTURING JS12-5-A coupling hub?

The JS12-5-A is a jaw coupling hub with JS12 coupling size, 3/4 in outside diameter, inch dimensions, and aluminum construction. It is a zero-backlash curved jaw coupling hub from RULAND MANUFACTURING, designed for precise torque transmission and misalignment compensation in industrial equipment.

Where to buy RULAND MANUFACTURING JS12-5-A coupling hub worldwide?

You can source the RULAND MANUFACTURING JS12-5-A coupling hub worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to select the correct RULAND MANUFACTURING jaw coupling hub size?

To select the correct RULAND MANUFACTURING jaw coupling hub, match the coupling size (e.g., JS12) to your shaft diameters and torque requirements. Verify the outside diameter (3/4 in for JS12-5-A) and material (aluminum) suit your application. Consult RULAND's technical data for bore and keyway options.

Used in

Common applications for RULAND MANUFACTURING

Automated packaging machinery — Ruland beam couplings (e.g., PSR20-8-5-A) for connecting servo motors to conveyor drive shafts.

CNC machine tools — Ruland rigid couplings (e.g., CLX-4-4-A) for precise alignment of ball screw assemblies.

Robotic arm joints — Ruland Oldham coupling hubs (e.g., OSC16-6-A) for accommodating axial motion in end-effector drives.

Pump and compressor systems — Ruland stainless steel shaft collars (e.g., CL-3-ST) for securing impeller shafts.

Printing press rollers — Ruland clamp-on beam couplings (e.g., PCR18-8-8-A) for synchronizing roller rotation with minimal backlash.

Material handling conveyors — Ruland set screw couplings (e.g., PSMR29-7-7-A) for linking gearboxes to drive rollers.

RULAND MANUFACTURING Products

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.

Browse all RULAND MANUFACTURING products →Contact our engineers →