RULAND MANUFACTURINGZero-Backlash Curved Jaw Coupling Hubs

RULAND MANUFACTURING Jaw Coupling Hub: MJS51 Coupling Size, 50.8 mm Outside Dia, Metric

The RULAND MANUFACTURING MJS51-25-A is a zero-backlash curved jaw coupling hub in the MJS51 coupling size, made of metric aluminum with a 50.8 mm outside diameter. This component is designed for motion control…

SKU 3G-OTH-134367

Brand

RULAND MANUFACTURING

Item

Jaw Coupling Hub: MJS51 Coupling Size, 50.8 mm Outside Dia, Metric

Technical Specifications

RULAND MANUFACTURING

Manufacturer Part Number

MJS51-25-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 a Ruland Manufacturing MJS51-25-A jaw coupling hub used for?

The Ruland Manufacturing MJS51-25-A is a zero-backlash curved jaw coupling hub used to connect two rotating shafts while dampening vibration and accommodating minor misalignment. It is commonly applied in motion control, packaging, and automation equipment where precise torque transmission is required.

What are the specifications of the Ruland Manufacturing MJS51-25-A coupling hub?

The Ruland Manufacturing MJS51-25-A is a metric aluminum jaw coupling hub with a 50.8 mm outside diameter and MJS51 coupling size. It is designed for zero-backlash curved jaw applications and is manufactured under part number MJS51-25-A. The hub is suitable for use with standard spider inserts.

Where to buy the Ruland Manufacturing MJS51-25-A coupling hub worldwide?

3G Electric supplies the Ruland Manufacturing MJS51-25-A jaw coupling hub worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this metric aluminum coupling hub.

How to select the correct Ruland Manufacturing jaw coupling hub for my application?

To select the correct Ruland Manufacturing jaw coupling hub, match the outside diameter and bore size to your shaft dimensions. The MJS51-25-A has a 50.8 mm outside diameter and is designed for metric shafts. Ensure the spider insert hardness matches your torque and misalignment requirements for optimal performance.

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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