RULAND MANUFACTURINGZero-Backlash Curved Jaw Coupling Hubs

RULAND MANUFACTURING Jaw Coupling Hub: MJC80 Coupling Size, 79.4 mm Outside Dia, Metric

The RULAND MANUFACTURING MJC80 is a zero-backlash curved jaw coupling hub with a 79.4 mm outside diameter, made of aluminum. It is designed for metric applications and is identified by manufacturer part number…

SKU 3G-OTH-134266

Brand

RULAND MANUFACTURING

Item

Jaw Coupling Hub: MJC80 Coupling Size, 79.4 mm Outside Dia, Metric

Technical Specifications

RULAND MANUFACTURING

Manufacturer Part Number

MJC80-25-A 

Type

Metric, Aluminum 

Outside Dia

79.4 mm 

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 the RULAND MANUFACTURING MJC80 jaw coupling hub used for?

The RULAND MANUFACTURING MJC80 is a zero-backlash curved jaw coupling hub used to connect two shafts in motion-control systems, such as servo motors and encoders. Its aluminum construction and metric sizing suit precision automation, packaging, and robotics applications where accurate torque transmission and misalignment compensation are required.

What are the specifications of the RULAND MANUFACTURING MJC80-25-A?

The RULAND MANUFACTURING MJC80-25-A is a metric aluminum jaw coupling hub with a 79.4 mm outside diameter. It is part of the MJC80 coupling size series and is designed for zero-backlash curved jaw couplings. The manufacturer part number is MJC80-25-A, and it is intended for use with matching spider inserts.

Where to buy the RULAND MANUFACTURING MJC80-25-A worldwide?

3G Electric supplies the RULAND MANUFACTURING MJC80-25-A jaw coupling hub worldwide. As a global industrial equipment distributor established in 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this metric aluminum hub to any country.

How to select the correct RULAND MANUFACTURING jaw coupling hub?

To select the correct RULAND MANUFACTURING jaw coupling hub, match the outside diameter (79.4 mm for MJC80) and bore size to your shaft dimensions. Ensure the hub material (aluminum) suits your torque and environmental needs. Use the manufacturer part number MJC80-25-A for metric applications. Always verify compatibility with the spider insert and keyway requirements.

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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