RULAND MANUFACTURINGClamp-On Oldham Coupling Hubs for Round Shafts

RULAND MANUFACTURING Motion Control Coupling Hub: 0.5° Angular Misalignment

The RULAND MANUFACTURING OCT12-4-A is a clamp-on Oldham coupling hub for round shafts, designed for motion control applications. It accommodates 0.5° angular misalignment and 0.004 in axial motion. This hub is part…

SKU 3G-OTH-135242

Also listed as: OCT124A · OCT12 4 A

Brand

RULAND MANUFACTURING

Item

Motion Control Coupling Hub: 0.5° Angular Misalignment

Local availability & support — Singapore

Local office: 20 Woodlands Link #09-05, Singapore 738733
Phone: +65 8878 8355
Delivery: Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment: Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to: Singapore

Technical Specifications

RULAND MANUFACTURING

Manufacturer Part Number

OCT12-4-A 

Axial Motion

0.004 in 

Technical Documents

No technical documents available for this product.

Request documentation →

Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.

Talk to an engineer

Ask a question

RULAND MANUFACTURING Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is the RULAND MANUFACTURING OCT12-4-A used for?

The RULAND MANUFACTURING OCT12-4-A is a clamp-on Oldham coupling hub for round shafts, used in motion control systems to transmit torque while accommodating 0.5° angular misalignment and 0.004 in axial motion. It is ideal for precision positioning applications in automation, packaging, and robotics.

What are the specifications of the RULAND MANUFACTURING OCT12-4-A?

The RULAND MANUFACTURING OCT12-4-A is a clamp-on Oldham coupling hub from the OCT12 series. It accommodates 0.5° angular misalignment and 0.004 in axial motion. The manufacturer part number is OCT12-4-A, and it is designed for round shafts in motion control applications.

Where to buy the RULAND MANUFACTURING OCT12-4-A worldwide?

You can source the RULAND MANUFACTURING OCT12-4-A through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this motion control coupling hub.

How to select the correct RULAND MANUFACTURING Oldham coupling hub?

To select the correct RULAND MANUFACTURING Oldham coupling hub, verify shaft diameter, misalignment requirements (angular up to 0.5° and axial motion up to 0.004 in), and torque capacity. Ensure the hub style (clamp-on for round shafts) matches your application. Consult the OCT12 series specifications for compatibility.

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 clamp-on 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.

Browse all RULAND MANUFACTURING products →Contact our engineers →