RULAND MANUFACTURINGZero-Backlash Curved Jaw Coupling Hubs

RULAND MANUFACTURING Jaw Coupling Hub: MJS57 Coupling Size, 57.2 mm Outside Dia, Metric

The RULAND MANUFACTURING MJSC57-25-A is a zero-backlash curved jaw coupling hub in the MJS57 coupling size, made of metric aluminum with a 57.2 mm outside diameter. This component is designed for motion control…

SKU 3G-OTH-134216

Also listed as: MJSC5725A · MJSC57 25 A

Brand

RULAND MANUFACTURING

Item

Jaw Coupling Hub: MJS57 Coupling Size, 57.2 mm Outside Dia, Metric

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

MJSC57-25-A 

Type

Metric, Aluminum 

Outside Dia

57.2 mm 

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 MJS57 jaw coupling hub used for?

The RULAND MANUFACTURING MJS57 jaw coupling hub is used in motion control and power transmission applications to connect two shafts while dampening vibration and accommodating misalignment. It is commonly found in servo motors, encoders, and industrial automation equipment where zero-backlash performance is required.

What are the specifications of the RULAND MANUFACTURING MJSC57-25-A jaw coupling hub?

The RULAND MANUFACTURING MJSC57-25-A is a zero-backlash curved jaw coupling hub in size MJS57. It has a 57.2 mm outside diameter, is made of aluminum, and uses metric dimensions. The manufacturer part number is MJSC57-25-A. This hub is designed for use with matching spider inserts for torque transmission.

Where to buy RULAND MANUFACTURING MJSC57-25-A jaw coupling hubs worldwide?

You can source the RULAND MANUFACTURING MJSC57-25-A jaw coupling hub from 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 for an application?

To select the correct RULAND MANUFACTURING jaw coupling hub, match the shaft diameter and keyway to your equipment, then choose the coupling size based on torque and misalignment requirements. The MJS57 size with 57.2 mm OD suits moderate-duty applications. Always verify bore size and material compatibility with your operating environment.

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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