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 OST12-4-A) is a Set Screw Oldham Coupling Hub for Round Shafts, designed for 0.5° angular misalignment and 0.004 in axial motion. This hub is part of the…

SKU 3G-OTH-141144

Also listed as: OST124A · OST12 4 A

Brand

RULAND MANUFACTURING

Item

Motion Control Coupling Hub: 0.5° Angular Misalignment

Local availability & support — the Philippines

Delivery: 5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment: Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to: Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

RULAND MANUFACTURING

Manufacturer Part Number

OST12-4-A 

Axial Motion

0.004 in 

Technical Documents

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RULAND MANUFACTURING Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the RULAND MANUFACTURING OST12-4-A coupling hub used for?

The RULAND MANUFACTURING OST12-4-A is a set screw Oldham coupling hub for round shafts. It accommodates 0.5° angular misalignment and 0.004 in axial motion, making it suitable for precision motion control applications in automation, packaging, and robotics.

What are the specifications of the RULAND MANUFACTURING OST12-4-A?

The RULAND MANUFACTURING OST12-4-A is a set screw Oldham coupling hub from the OST12 series. It allows 0.5° angular misalignment and 0.004 in axial motion. The manufacturer part number is OST12-4-A, and it is designed for round shafts.

Where to buy the RULAND MANUFACTURING OST12-4-A worldwide?

3G Electric supplies the RULAND MANUFACTURING OST12-4-A coupling hub worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this motion control component to your facility, regardless of location.

How to select the correct RULAND MANUFACTURING Oldham coupling hub?

To select the correct RULAND MANUFACTURING Oldham coupling hub like the OST12-4-A, verify shaft diameter, misalignment requirements (0.5° angular, 0.004 in axial), and torque capacity. Ensure the hub's set screw style matches your round shaft application for secure motion control.

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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