RULAND MANUFACTURING Jaw Coupling Hub: MJS57 Coupling Size, 57.2 mm Outside Dia, Metric
The RULAND MANUFACTURING Jaw Coupling Hub (MJS57 Coupling Size, MPN MJSC57-14-A) is a zero-backlash curved jaw coupling hub in metric aluminum with a 57.2 mm outside diameter. 3G Electric interprets your demand for…
SKU 3G-OTH-134213
Need installation or engineering help?
Ask a question
Product Description
The RULAND MANUFACTURING Jaw Coupling Hub (MJS57 Coupling Size, MPN MJSC57-14-A) is a zero-backlash curved jaw coupling hub in metric aluminum with a 57.2 mm outside diameter. 3G Electric interprets your demand for this OEM-specified component, sources it through our authorized supply network, and supports your procurement across 14 industrial departments — with specialist depth in combustion, pumps, and controls as a trust anchor.
Frequently Asked Questions
What is a RULAND MANUFACTURING MJS57 jaw coupling hub used for?
A RULAND MANUFACTURING MJS57 zero-backlash curved jaw coupling hub connects two rotating shafts while damping vibration and accommodating minor misalignment. It is commonly used in motion control, packaging, and automation equipment where precise torque transmission and reduced wear on connected components are required.
What are the specifications of the RULAND MANUFACTURING MJSC57-14-A coupling hub?
The RULAND MANUFACTURING MJSC57-14-A is a metric, aluminum zero-backlash curved jaw coupling hub. It has a 57.2 mm outside diameter and is part of the MJS57 coupling size. The hub is designed for use with matching spider inserts to provide vibration damping and misalignment accommodation.
Where to buy RULAND MANUFACTURING MJSC57-14-A coupling hubs worldwide?
3G Electric supplies RULAND MANUFACTURING MJSC57-14-A coupling hubs 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 an application?
To select the correct RULAND MANUFACTURING jaw coupling hub, match the shaft diameters to the hub bore size, confirm the outside diameter (57.2 mm for MJS57), and choose the material (aluminum for low inertia). Ensure the spider insert durometer suits your torque and misalignment requirements. Consult the manufacturer's catalog for ratings.
Used in
Common applications for RULAND MANUFACTURINGRULAND 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.















