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RULAND MANUFACTURING Zero-Backlash Curved Jaw Coupling Hub - Zero-Backlash Curved Jaw Coupling Hubs
RULAND MANUFACTURINGZero-Backlash Curved Jaw Coupling Hubs

RULAND MANUFACTURING Zero-Backlash Curved Jaw Coupling Hub

The RULAND MANUFACTURING MJC25-8-A is a zero-backlash curved jaw coupling hub in the MJC25 coupling size, made of metric aluminum with a 25.4 mm outside diameter. This hub is designed for precision motion control…

SKU 3G-OTH-134282

Also listed as: MJC258A · MJC25 8 A

Brand
RULAND MANUFACTURING
Item
Zero-Backlash Curved Jaw Coupling Hub
Category
Zero-Backlash Curved Jaw Coupling Hubs
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

RULAND MANUFACTURING
Manufacturer Part Number
MJC25-8-A
Type
Metric, Aluminum
Outside Dia
25.4 mm

Technical Documents

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RULAND MANUFACTURING Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The RULAND MANUFACTURING MJC25-8-A is a zero-backlash curved jaw coupling hub in the MJC25 coupling size, made of metric aluminum with a 25.4 mm outside diameter. This hub is designed for precision motion control applications requiring accurate torque transmission and misalignment accommodation.

Frequently Asked Questions

What is a Ruland Manufacturing zero-backlash curved jaw coupling hub used for?

A Ruland Manufacturing zero-backlash curved jaw coupling hub connects two shafts in motion-control applications, compensating for minor misalignment while transmitting torque. It is commonly used in servo motors, encoders, and precision positioning systems across industrial automation, packaging, and robotics.

What are the specifications of the Ruland MJC25-8-A jaw coupling hub?

The Ruland MJC25-8-A is a metric aluminum jaw coupling hub with a 25.4 mm outside diameter, part of the MJC25 coupling size. It is designed for zero-backlash curved jaw coupling systems, providing reliable torque transmission and misalignment accommodation in precision drives.

Where to buy Ruland Manufacturing jaw coupling hubs worldwide?

3G Electric supplies Ruland Manufacturing jaw coupling hubs worldwide, handling full logistics and customs clearance for global delivery. As a sourcing partner, we provide genuine Ruland components like the MJC25-8-A to industrial buyers, ensuring compliance with export requirements and timely delivery to your facility.

How to select the correct Ruland jaw coupling hub for a servo motor?

To select the correct Ruland jaw coupling hub, match the hub bore size to your shaft diameter and confirm the outside diameter (25.4 mm for MJC25) fits your coupling spider. Verify torque and misalignment ratings from Ruland's catalog. 3G Electric can help cross-reference your motor shaft specs to the right hub.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
This zero-backlash curved jaw coupling hub is made of metric aluminum with a 25.4 mm outside diameter. It is used in motion control and power transmission systems to connect rotating shafts, accommodating misalignment and dampening vibration. The aluminum construction provides low inertia for high-speed precision applications
RULAND MANUFACTURING
This zero-backlash curved jaw coupling hub is made of metric aluminum with a 25.4 mm outside diameter. It is used in motion control and power transmission systems to connect rotating shafts, accommodating misalignment and dampening vibration. The aluminum construction provides low inertia for high-speed precision applications
This zero-backlash curved jaw coupling hub is part of the MJC25 coupling size series. It is made of metric aluminum with a 25.4 mm outside diameter. Designed for motion control applications, it transmits torque without backlash while accommodating misalignment between connected shafts
RULAND MANUFACTURING
This zero-backlash curved jaw coupling hub is part of the MJC25 coupling size series. It is made of metric aluminum with a 25.4 mm outside diameter. Designed for motion control applications, it transmits torque without backlash while accommodating misalignment between connected shafts
Metric aluminum hub with 25.4 mm outside diameter. Designed for zero-backlash curved jaw couplings to connect rotating shafts while dampening vibration and accommodating minor misalignment. Suitable for motion control, packaging, and automation equipment requiring precise torque transmission
RULAND MANUFACTURING
Metric aluminum hub with 25.4 mm outside diameter. Designed for zero-backlash curved jaw couplings to connect rotating shafts while dampening vibration and accommodating minor misalignment. Suitable for motion control, packaging, and automation equipment requiring precise torque transmission
This zero-backlash curved jaw coupling hub is part of the MJC25 coupling size series. It is made of metric aluminum with a 25.4 mm outside diameter. Used in motion-control systems to connect shafts in applications such as packaging, robotics, and machine tools
RULAND MANUFACTURING
This zero-backlash curved jaw coupling hub is part of the MJC25 coupling size series. It is made of metric aluminum with a 25.4 mm outside diameter. Used in motion-control systems to connect shafts in applications such as packaging, robotics, and machine tools
Aluminum hub for zero-backlash curved jaw couplings, 19.1 mm outside diameter, metric bore. Used in motion control and power transmission to connect rotating shafts while dampening vibration and accommodating minor misalignment
RULAND MANUFACTURING
Aluminum hub for zero-backlash curved jaw couplings, 19.1 mm outside diameter, metric bore. Used in motion control and power transmission to connect rotating shafts while dampening vibration and accommodating minor misalignment
This zero-backlash curved jaw coupling hub is made of metric aluminum with a 25.4 mm outside diameter. It is designed for precision motion control applications requiring accurate torque transmission and misalignment accommodation. Common in packaging, robotics, and CNC machinery, it pairs with a matching spider insert for reliable power transmission
RULAND MANUFACTURING
This zero-backlash curved jaw coupling hub is made of metric aluminum with a 25.4 mm outside diameter. It is designed for precision motion control applications requiring accurate torque transmission and misalignment accommodation. Common in packaging, robotics, and CNC machinery, it pairs with a matching spider insert for reliable power transmission

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This inch-series aluminum hub is part of the JC32 coupling family, featuring a curved jaw design for zero-backlash torque transmission. With a 2-inch outside diameter, it is used in power transmission applications to connect shafts while accommodating minor misalignment and damping vibration
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This zero-backlash curved jaw coupling hub is made of aluminum with a 41.3 mm outside diameter. It is designed for metric applications and fits the MJS41 coupling size. Used in motion-control systems to connect two shafts while compensating for minor misalignment and transmitting torque
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This zero-backlash curved jaw coupling hub is made of aluminum with a 41.3 mm outside diameter. It is designed for use in motion-control systems to connect two shafts, compensating for minor misalignment while transmitting torque. Commonly applied in servo motors, encoders, and precision machinery
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