RULAND MANUFACTURINGSet Screw Oldham Coupling Hubs for Round Shafts

RULAND MANUFACTURING Motion Control Coupling Hub: 0.5° Angular Misalignment

The RULAND MANUFACTURING Motion Control Coupling Hub (MPN OST26-12-A) is a set screw Oldham coupling hub for round shafts, designed for 0.5° angular misalignment and 0.006 in axial motion. This hub is part of the…

SKU 3G-OTH-141133

Also listed as: OST2612A · OST26 12 A

Brand

RULAND MANUFACTURING

Item

Motion Control Coupling Hub: 0.5° Angular Misalignment

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

OST26-12-A 

Axial Motion

0.006 in 

Technical Documents

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RULAND MANUFACTURING Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is a RULAND MANUFACTURING Oldham coupling hub used for?

A RULAND MANUFACTURING Oldham coupling hub, like the OST26-12-A, is used in motion control applications to connect two shafts while accommodating 0.5° angular misalignment and 0.006 in axial motion. It is ideal for precision machinery, robotics, and automation systems where accurate torque transmission and misalignment compensation are required.

What are the specifications of the RULAND MANUFACTURING OST26-12-A?

The RULAND MANUFACTURING OST26-12-A is a set screw Oldham coupling hub for round shafts, part of the OST26 series. It allows 0.5° angular misalignment and 0.006 in axial motion. The manufacturer part number is OST26-12-A, and it is designed for motion control applications requiring precise shaft coupling.

Where to buy RULAND MANUFACTURING coupling hubs worldwide?

3G Electric supplies RULAND MANUFACTURING coupling hubs, including the OST26-12-A, to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this hub for your motion control needs.

How to select a RULAND MANUFACTURING Oldham coupling hub?

To select a RULAND MANUFACTURING Oldham coupling hub, match the hub bore size to your shaft diameter and confirm the misalignment requirements—here 0.5° angular and 0.006 in axial motion. Ensure the hub material and set screw type suit your torque and environment. 3G Electric can help you choose the correct OST26 series 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 set screw oldham coupling hubs for round shafts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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