RULAND MANUFACTURINGZero-Backlash Curved Jaw Coupling Hubs

RULAND MANUFACTURING Jaw Coupling Hub: JC44 Coupling Size, 2 3/4 in Outside Dia, Inch

The RULAND MANUFACTURING Jaw Coupling Hub is a zero-backlash curved jaw coupling hub in the JC44 coupling size. This inch-series aluminum hub has a 2 3/4 in outside diameter and is identified by manufacturer part…

SKU 3G-OTH-134263

Also listed as: JC4418A · JC44 18 A

Brand

RULAND MANUFACTURING

Item

Jaw Coupling Hub: JC44 Coupling Size, 2 3/4 in Outside Dia, Inch

Local availability & support

Delivery: Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

RULAND MANUFACTURING

Manufacturer Part Number

JC44-18-A 

Type

Inch, Aluminum 

Outside Dia

2 3/4 in 

Technical Documents

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RULAND MANUFACTURING Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is a RULAND MANUFACTURING JC44 jaw coupling hub used for?

The RULAND MANUFACTURING JC44 jaw coupling hub is used in power transmission systems to connect two shafts while accommodating minor misalignment. Its zero-backlash curved jaw design provides vibration damping and smooth torque transfer in industrial machinery, pumps, and gearboxes.

What are the specifications of the RULAND MANUFACTURING JC44-18-A jaw coupling hub?

The RULAND MANUFACTURING JC44-18-A is an inch-series aluminum jaw coupling hub with a JC44 coupling size and a 2 3/4 in outside diameter. It is designed for zero-backlash curved jaw applications and is identified by manufacturer part number JC44-18-A.

Where to buy a RULAND MANUFACTURING JC44 jaw coupling hub worldwide?

3G Electric supplies the RULAND MANUFACTURING JC44 jaw coupling hub worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this zero-backlash curved jaw hub to your facility. 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., JC44) to your shaft diameters and torque requirements. Verify the outside diameter (2 3/4 in for this hub) and material (aluminum) suit your application. Consult the manufacturer's catalog 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.

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