We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

RULAND MANUFACTURING Slit Coupling: 4 mm Bore Dia 1, 4 mm Bore Dia 2 - Short Set Screw Slit Couplings
RULAND MANUFACTURINGShort Set Screw Slit Couplings

RULAND MANUFACTURING Slit Coupling: 4 mm Bore Dia 1, 4 mm Bore Dia 2

The RULAND MANUFACTURING MRSS8-4-4-A is a short set screw slit coupling with 4 mm bore diameters on both ends and an 8 mm outside diameter. This coupling is designed for motion control applications requiring zero…

SKU 3G-OTH-145221

Also listed as: MRSS844A · MRSS8 4 4 A

Brand
RULAND MANUFACTURING
Item
Slit Coupling: 4 mm Bore Dia 1, 4 mm Bore Dia 2
Category
Short Set Screw Slit Couplings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
MRSS8-4-4-A
Type
4 mm Bore Dia 2
Coupling Outside Dia
8 mm

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

The RULAND MANUFACTURING MRSS8-4-4-A is a short set screw slit coupling with 4 mm bore diameters on both ends and an 8 mm outside diameter. This coupling is designed for motion control applications requiring zero backlash and high torsional stiffness.

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 a Ruland Manufacturing slit coupling used for?

A Ruland Manufacturing slit coupling connects two shafts in motion-control applications, compensating for minor misalignment while transmitting torque. It is commonly used in encoders, stepper motors, and precision positioning systems where zero backlash and high torsional stiffness are required.

What are the specifications of the Ruland MRSS8-4-4-A slit coupling?

The Ruland MRSS8-4-4-A is a short set screw slit coupling with 4 mm bore diameters on both ends and an 8 mm outside diameter. It is designed for compact installations and provides reliable torque transmission with minimal windup.

Where to buy a Ruland MRSS8-4-4-A coupling worldwide?

3G Electric supplies and delivers the Ruland MRSS8-4-4-A slit coupling worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to ensure the coupling reaches your facility, regardless of location.

How to install a Ruland set screw slit coupling?

To install a Ruland set screw slit coupling, align the two shafts within the specified misalignment limits, slide the coupling onto both shaft ends, and tighten the set screws evenly using a hex key. Ensure the screws seat into the shaft flats or keyways for secure torque transmission.

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 short set screw slit couplings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
RULAND MANUFACTURING Slit Coupling: 4 mm Bore Dia 1, 3 mm Bore Dia 2, 8 mm Coupling Outside Dia (MPN MRSS8-4-3-A)
RULAND MANUFACTURING
RULAND MANUFACTURING Slit Coupling: 4 mm Bore Dia 1, 3 mm Bore Dia 2, 8 mm Coupling Outside Dia (MPN MRSS8-4-3-A)
RULAND MANUFACTURING Slit Coupling: 4 mm Bore Dia 1, 2 mm Bore Dia 2, 8 mm Coupling Outside Dia (MPN MRSS8-4-2-A)
RULAND MANUFACTURING
RULAND MANUFACTURING Slit Coupling: 4 mm Bore Dia 1, 2 mm Bore Dia 2, 8 mm Coupling Outside Dia (MPN MRSS8-4-2-A)
RULAND MANUFACTURING Slit Coupling: 8 mm Bore Dia 1, 4 mm Bore Dia 2, 16 mm Coupling Outside Dia (MPN MRSS16-8-4-A)
RULAND MANUFACTURING
RULAND MANUFACTURING Slit Coupling: 8 mm Bore Dia 1, 4 mm Bore Dia 2, 16 mm Coupling Outside Dia (MPN MRSS16-8-4-A)
RULAND MANUFACTURING Slit Coupling: 4 mm Bore Dia 1, 4 mm Bore Dia 2, 13 mm Coupling Outside Dia (MPN MRSS13-4-4-A)
RULAND MANUFACTURING
RULAND MANUFACTURING Slit Coupling: 4 mm Bore Dia 1, 4 mm Bore Dia 2, 13 mm Coupling Outside Dia (MPN MRSS13-4-4-A)
RULAND MANUFACTURING Slit Coupling: 3 mm Bore Dia 1, 3 mm Bore Dia 2, 8 mm Coupling Outside Dia (MPN MRSS8-3-3-A)
RULAND MANUFACTURING
RULAND MANUFACTURING Slit Coupling: 3 mm Bore Dia 1, 3 mm Bore Dia 2, 8 mm Coupling Outside Dia (MPN MRSS8-3-3-A)
RULAND MANUFACTURING Slit Coupling: 3 mm Bore Dia 1, 2 mm Bore Dia 2, 8 mm Coupling Outside Dia (MPN MRSS8-3-2-A)
RULAND MANUFACTURING
RULAND MANUFACTURING Slit Coupling: 3 mm Bore Dia 1, 2 mm Bore Dia 2, 8 mm Coupling Outside Dia (MPN MRSS8-3-2-A)

More from RULAND MANUFACTURING

View all RULAND MANUFACTURING parts
This short set screw slit coupling has two 1/4 inch bores and a 27/32 inch overall length, designed for inch-sized shafts. It connects shafts in motion control systems, compensating for minor misalignment while transmitting torque. Typical applications include robotics, packaging machinery, and precision positioning equipment requiring backlash-free operation
RULAND MANUFACTURING
This short set screw slit coupling has two 1/4 inch bores and a 27/32 inch overall length, designed for inch-sized shafts. It connects shafts in motion control systems, compensating for minor misalignment while transmitting torque. Typical applications include robotics, packaging machinery, and precision positioning equipment requiring backlash-free operation
This short set screw slit coupling has a 6 mm bore diameter on both ends and a 25 mm outside diameter. It provides a zero-backlash, low-inertia connection between two shafts, accommodating minor misalignment in motion control systems such as robotics and precision positioning equipment
RULAND MANUFACTURING
This short set screw slit coupling has a 6 mm bore diameter on both ends and a 25 mm outside diameter. It provides a zero-backlash, low-inertia connection between two shafts, accommodating minor misalignment in motion control systems such as robotics and precision positioning equipment
This short set screw slit coupling has an 8 mm bore diameter on one side and a 3/16 in bore diameter on the other, with a 5/8 in outside diameter. It is used in motion control systems to connect two shafts, compensating for minor misalignment while transmitting torque. Typical applications include encoders, stepper motors, and precision positioning equipment
RULAND MANUFACTURING
This short set screw slit coupling has an 8 mm bore diameter on one side and a 3/16 in bore diameter on the other, with a 5/8 in outside diameter. It is used in motion control systems to connect two shafts, compensating for minor misalignment while transmitting torque. Typical applications include encoders, stepper motors, and precision positioning equipment
This short set screw slit coupling has a 2 mm bore on both ends and an 8 mm outside diameter. It is used in motion control systems to connect two shafts while compensating for minor misalignment. Typical applications include robotics, encoders, and precision positioning equipment
RULAND MANUFACTURING
This short set screw slit coupling has a 2 mm bore on both ends and an 8 mm outside diameter. It is used in motion control systems to connect two shafts while compensating for minor misalignment. Typical applications include robotics, encoders, and precision positioning equipment
This short set screw slit coupling from RULAND MANUFACTURING features 8 mm bore diameters on both ends and a 25 mm outside diameter. It is designed for motion control applications requiring zero backlash and high torsional stiffness, compensating for minor misalignments while transmitting torque. Commonly used with encoders, stepper motors, and linear actuators
RULAND MANUFACTURING
This short set screw slit coupling from RULAND MANUFACTURING features 8 mm bore diameters on both ends and a 25 mm outside diameter. It is designed for motion control applications requiring zero backlash and high torsional stiffness, compensating for minor misalignments while transmitting torque. Commonly used with encoders, stepper motors, and linear actuators
This short set screw slit coupling connects two shafts with bore diameters of 5/16 in and 6 mm, accommodating minor misalignment while transmitting torque. With an overall length of 27/32 in, it is suited for motion control systems in packaging, robotics, and CNC machinery
RULAND MANUFACTURING
This short set screw slit coupling connects two shafts with bore diameters of 5/16 in and 6 mm, accommodating minor misalignment while transmitting torque. With an overall length of 27/32 in, it is suited for motion control systems in packaging, robotics, and CNC machinery
This short set screw slit coupling from RULAND MANUFACTURING has bore diameters of 1/4 in and 3/16 in with an overall length of 21/32 in. It is designed for connecting two shafts in motion-control applications, compensating for minor misalignment while transmitting torque. The coupling uses set screws for secure shaft attachment and is suitable for light-duty torque transmission in industrial machinery
RULAND MANUFACTURING
This short set screw slit coupling from RULAND MANUFACTURING has bore diameters of 1/4 in and 3/16 in with an overall length of 21/32 in. It is designed for connecting two shafts in motion-control applications, compensating for minor misalignment while transmitting torque. The coupling uses set screws for secure shaft attachment and is suitable for light-duty torque transmission in industrial machinery
RULAND MANUFACTURING Slit Coupling: 8 mm Bore Dia 1, 6 mm Bore Dia 2, 16 mm Coupling Outside Dia (MPN MRSS16-8-6-A)
RULAND MANUFACTURING
RULAND MANUFACTURING Slit Coupling: 8 mm Bore Dia 1, 6 mm Bore Dia 2, 16 mm Coupling Outside Dia (MPN MRSS16-8-6-A)