RULAND MANUFACTURINGZero-Backlash Curved Jaw Coupling Hubs

RULAND MANUFACTURING Jaw Coupling Hub: MJC51 Coupling Size, 50.8 mm Outside Dia, Metric

The RULAND MANUFACTURING MJCC51-20-A is a zero-backlash curved jaw coupling hub in the MJC51 coupling size, made of metric aluminum with a 50.8 mm outside diameter. This hub is designed for motion control…

SKU 3G-OTH-134323

Brand

RULAND MANUFACTURING

Item

Jaw Coupling Hub: MJC51 Coupling Size, 50.8 mm Outside Dia, Metric

Technical Specifications

RULAND MANUFACTURING

Manufacturer Part Number

MJCC51-20-A 

Type

Metric, Aluminum 

Outside Dia

50.8 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 MJCC51-20-A jaw coupling hub used for?

The RULAND MANUFACTURING MJCC51-20-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, making it ideal for precision automation, packaging, and robotics applications.

What are the specifications of the RULAND MANUFACTURING MJCC51-20-A?

The MJCC51-20-A is a jaw coupling hub from RULAND MANUFACTURING, size MJC51, with a 50.8 mm outside diameter. It is made of aluminum and designed for metric shafts. The manufacturer part number is MJCC51-20-A, and it is a zero-backlash curved jaw coupling hub for precision motion control.

Where to buy the RULAND MANUFACTURING MJCC51-20-A worldwide?

You can source the RULAND MANUFACTURING MJCC51-20-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 on this metric aluminum coupling hub.

How to select the correct RULAND MANUFACTURING jaw coupling hub?

To select the correct RULAND MANUFACTURING jaw coupling hub, match the hub bore size to your shaft diameter, ensure the outside diameter (50.8 mm for MJC51) fits your space, and confirm the material (aluminum) suits your torque and environmental needs. Always verify the coupling size and zero-backlash requirement for your application.

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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