---
product_id: 186091577
title: "Ruland MJS15-4-A Jaw Coupling Hub, Set Screw Style, Polished Aluminum, 4mm Bore, 15mm OD, 21.8mm Length"
brand: "ruland"
price: "290899₫"
currency: VND
in_stock: true
category: "Industrial"
url: https://www.desertcart.vn/products/186091577-ruland-mjs15-4-a-jaw-coupling-hub-set-screw-style
store_origin: VN
region: Vietnam
---

# Ruland MJS15-4-A Jaw Coupling Hub, Set Screw Style, Polished Aluminum, 4mm Bore, 15mm OD, 21.8mm Length

**Brand:** ruland
**Price:** 290899₫
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Ruland MJS15-4-A Jaw Coupling Hub, Set Screw Style, Polished Aluminum, 4mm Bore, 15mm OD, 21.8mm Length by ruland
- **How much does it cost?** 290899₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/186091577-ruland-mjs15-4-a-jaw-coupling-hub-set-screw-style)

## Best For

- ruland enthusiasts

## Why This Product

- Trusted ruland brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

Carefully made by Ruland in Marlborough, MA, curved jaw couplings are comprised of two hubs pressed fit with an elastomer "spider" with the same OD. Curved jaw couplings are zero-backlash by design and are well-suited to servo applications where accuracy of torque transmission is required. Hub material is type 2024 T351 high strength aluminum with M3 forged alloy steel set screws. Maximum is 8,000 RPM. RoHS and Reach compliant. Also called a curved jaw coupling, flexible jaw coupling, shaft coupling, or coupler.

## Images

![Ruland MJS15-4-A Jaw Coupling Hub, Set Screw Style, Polished Aluminum, 4mm Bore, 15mm OD, 21.8mm Length - Image 1](https://images-na.ssl-images-amazon.com/images/I/61bQZ0uTGFL.jpg)

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**Shop now:** [https://www.desertcart.vn/products/186091577-ruland-mjs15-4-a-jaw-coupling-hub-set-screw-style](https://www.desertcart.vn/products/186091577-ruland-mjs15-4-a-jaw-coupling-hub-set-screw-style)

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-04-24*