RULAND MANUFACTURINGZero-Backlash Curved Jaw Coupling Hubs

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

The RULAND MANUFACTURING MJC51-20-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 precision motion control…

SKU 3G-OTH-134301

Brand

RULAND MANUFACTURING

Item

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

Technical Specifications

RULAND MANUFACTURING

Manufacturer Part Number

MJC51-20-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

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is a RULAND MANUFACTURING MJC51-20-A jaw coupling hub used for?

The RULAND MANUFACTURING MJC51-20-A is a zero-backlash curved jaw coupling hub used to connect two rotating shafts in motion-control systems. It is commonly applied in servo motors, encoders, and precision positioning equipment where accurate torque transmission and misalignment compensation are required.

What are the specifications of the RULAND MANUFACTURING MJC51-20-A?

The MJC51-20-A is a metric, aluminum jaw coupling hub with a 50.8 mm outside diameter. It is part of the MJC51 coupling size series from RULAND MANUFACTURING. This hub is designed for zero-backlash curved jaw couplings, providing reliable torque transmission in industrial automation applications.

Where to buy RULAND MANUFACTURING MJC51-20-A worldwide?

You can source the RULAND MANUFACTURING MJC51-20-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 precision coupling component.

How to select the correct RULAND MANUFACTURING jaw coupling hub?

To select the correct RULAND MANUFACTURING jaw coupling hub, match the outside diameter (50.8 mm for MJC51) and bore size to your shaft dimensions. Ensure the hub material (aluminum) suits your torque and environmental requirements. Always verify the coupling size and zero-backlash specification for your motion-control 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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