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 is a zero-backlash curved jaw coupling hub, sized MJC70 with a 69.9 mm outside diameter. This metric aluminum hub is identified by manufacturer part number MJCC70-30-A.

SKU 3G-OTH-134298

Brand

RULAND MANUFACTURING

Item

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

Technical Specifications

RULAND MANUFACTURING

Manufacturer Part Number

MJCC70-30-A 

Type

Metric, Aluminum 

Outside Dia

69.9 mm 

View Full Spec Sheet

Technical Documents

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RULAND MANUFACTURING Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

The RULAND MANUFACTURING MJC70 is a zero-backlash curved jaw coupling hub, sized MJC70 with a 69.9 mm outside diameter. This metric aluminum hub is identified by manufacturer part number MJCC70-30-A.

Frequently Asked Questions

What is the RULAND MANUFACTURING MJC70 jaw coupling hub used for?

The RULAND MANUFACTURING MJC70 is a zero-backlash curved jaw coupling hub used to connect two shafts in motion-control systems, such as servo motors and encoders. It accommodates misalignment while transmitting torque smoothly in industrial automation, packaging, and robotics applications.

What are the specifications of the RULAND MANUFACTURING MJC70 coupling hub?

The RULAND MANUFACTURING MJC70 is a metric aluminum zero-backlash curved jaw coupling hub with a 69.9 mm outside diameter. It is sized MJC70 and carries manufacturer part number MJCC70-30-A. This hub is designed for use with matching spider inserts to form a complete jaw coupling.

Where to buy the RULAND MANUFACTURING MJC70 coupling hub worldwide?

3G Electric supplies the RULAND MANUFACTURING MJC70 coupling hub worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this metric aluminum 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 hub bore size to your shaft diameter and confirm the outside diameter (69.9 mm for MJC70) fits your space. Ensure the hub material (aluminum) meets your torque and environmental needs. Consult the manufacturer's catalog for compatible spider inserts.

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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