RULAND MANUFACTURINGZero-Backlash Curved Jaw Coupling Hubs

RULAND MANUFACTURING Jaw Coupling Hub: MJC70 Coupling Size, 69.9 mm Outside Dia, Metric

The RULAND MANUFACTURING MJC70-30-A is a zero-backlash curved jaw coupling hub in the MJC70 coupling size, with a 69.9 mm outside diameter and made of aluminum. This metric component is designed for use in motion…

SKU 3G-OTH-134312

Also listed as: MJC7030A · MJC70 30 A

Brand

RULAND MANUFACTURING

Item

Jaw Coupling Hub: MJC70 Coupling Size, 69.9 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

MJC70-30-A 

Type

Metric, Aluminum 

Outside Dia

69.9 mm 

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 MJC70-30-A jaw coupling hub used for?

The RULAND MANUFACTURING MJC70-30-A is a zero-backlash curved jaw coupling hub used in motion control applications requiring precise torque transmission. It connects two shafts while accommodating minor misalignment, making it suitable for servo motors, encoders, and linear actuators in industrial automation.

What are the specifications of the RULAND MANUFACTURING MJC70-30-A?

The RULAND MANUFACTURING MJC70-30-A is a metric aluminum jaw coupling hub with MJC70 coupling size and a 69.9 mm outside diameter. It is designed for zero-backlash curved jaw coupling systems, ensuring accurate torque transmission in motion control applications.

Where to buy the RULAND MANUFACTURING MJC70-30-A worldwide?

3G Electric supplies the RULAND MANUFACTURING MJC70-30-A worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source and deliver this zero-backlash curved jaw coupling hub to support motion control applications across 14 industrial departments.

How to select the correct RULAND MANUFACTURING jaw coupling hub size?

To select the correct RULAND MANUFACTURING jaw coupling hub, match the coupling size (e.g., MJC70) to your shaft diameters and torque requirements. The 69.9 mm outside diameter and aluminum construction of the MJC70-30-A suit metric systems. Consult the manufacturer's catalog for bore and keyway compatibility.

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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