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

RULAND MANUFACTURING Disc Coupling: 40 mm x 30 mm Bore Dia, 79.4 mm OD, Round - Double Disc Couplings for Round Shafts
RULAND MANUFACTURINGDouble Disc Couplings for Round Shafts

RULAND MANUFACTURING Disc Coupling: 40 mm x 30 mm Bore Dia, 79.4 mm OD, Round

The RULAND MANUFACTURING Disc Coupling (MPN MDCD80-40-30-A) is a double disc coupling for round shafts with a 40 mm x 30 mm bore diameter and 79.4 mm OD. It features a clamp-on design, an aluminum hub and center…

SKU 3G-OTH-145342

Also listed as: MDCD804030A · MDCD80 40 30 A

Brand
RULAND MANUFACTURING
Item
Disc Coupling: 40 mm x 30 mm Bore Dia, 79.4 mm OD, Round
Category
Double Disc Couplings for Round Shafts
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
MDCD80-40-30-A
Type
Round, Clamp On
OD
79.4 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 Disc Coupling (MPN MDCD80-40-30-A) is a double disc coupling for round shafts with a 40 mm x 30 mm bore diameter and 79.4 mm OD. It features a clamp-on design, an aluminum hub and center spacer, and stainless steel disc packs. This metric coupling has two discs with a center spacer and accommodates different bore dimensions.

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 Disc Coupling MDCD80-40-30-A used for?

This double disc coupling connects two round shafts with different bore diameters (40 mm and 30 mm) in motion-control applications. It compensates for misalignment while transmitting torque, making it suitable for servo motors, encoders, and precision positioning systems in industrial automation.

What are the specifications of the RULAND MANUFACTURING Disc Coupling MDCD80-40-30-A?

The coupling has a 79.4 mm OD, 40 mm x 30 mm bore diameters, and a clamp-on round design. It features an aluminum hub and center spacer with stainless steel disc packs. This metric coupling includes two discs with a center spacer and accommodates different bore dimensions.

Where to buy the RULAND MANUFACTURING Disc Coupling MDCD80-40-30-A worldwide?

3G Electric supplies this RULAND MANUFACTURING disc coupling worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this metric coupling.

How to select the correct RULAND MANUFACTURING disc coupling for round shafts?

Select based on shaft diameters (bore size), outside diameter, and torque requirements. Ensure the coupling type (clamp-on round) matches your shaft geometry. For the MDCD80-40-30-A, verify your shafts are 40 mm and 30 mm. Consult RULAND MANUFACTURING's catalog for misalignment and speed ratings.

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 double disc couplings for round shafts. 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 Disc Coupling: 35 mm x 30 mm Bore Dia, 79.4 mm OD, Round, Clamp On (MPN MDCD80-35-30-A)
RULAND MANUFACTURING
RULAND MANUFACTURING Disc Coupling: 35 mm x 30 mm Bore Dia, 79.4 mm OD, Round, Clamp On (MPN MDCD80-35-30-A)
RULAND MANUFACTURING Disc Coupling: 45 mm x 30 mm Bore Dia, 79.4 mm OD, Round, Clamp On (MPN MDCD80-45-30-A)
RULAND MANUFACTURING
RULAND MANUFACTURING Disc Coupling: 45 mm x 30 mm Bore Dia, 79.4 mm OD, Round, Clamp On (MPN MDCD80-45-30-A)
RULAND MANUFACTURING Disc Coupling: 40 mm x 25 mm Bore Dia, 79.4 mm OD, Round, Clamp On (MPN MDCD80-40-25-A)
RULAND MANUFACTURING
RULAND MANUFACTURING Disc Coupling: 40 mm x 25 mm Bore Dia, 79.4 mm OD, Round, Clamp On (MPN MDCD80-40-25-A)
RULAND MANUFACTURING Disc Coupling: 40 mm x 35 mm Bore Dia, 79.4 mm OD, Round, Clamp On (MPN MDCD80-40-35-A)
RULAND MANUFACTURING
RULAND MANUFACTURING Disc Coupling: 40 mm x 35 mm Bore Dia, 79.4 mm OD, Round, Clamp On (MPN MDCD80-40-35-A)
RULAND MANUFACTURING Disc Coupling: 40 mm x 40 mm Bore Dia, 79.4 mm OD, Round, Clamp On (MPN MDCD80-40-40-A)
RULAND MANUFACTURING
RULAND MANUFACTURING Disc Coupling: 40 mm x 40 mm Bore Dia, 79.4 mm OD, Round, Clamp On (MPN MDCD80-40-40-A)
RULAND MANUFACTURING Disc Coupling: 45 mm x 35 mm Bore Dia, 79.4 mm OD, Round, Clamp On (MPN MDCD80-45-35-A)
RULAND MANUFACTURING
RULAND MANUFACTURING Disc Coupling: 45 mm x 35 mm Bore Dia, 79.4 mm OD, Round, Clamp On (MPN MDCD80-45-35-A)

More from RULAND MANUFACTURING

View all RULAND MANUFACTURING parts
This double disc coupling connects two round shafts while accommodating misalignment. It features aluminum hubs, stainless steel discs, and a center spacer. The clamp-on design provides secure attachment. Typical applications include servo motors, encoders, and linear motion systems where precision and zero backlash are required
RULAND MANUFACTURING
This double disc coupling connects two round shafts while accommodating misalignment. It features aluminum hubs, stainless steel discs, and a center spacer. The clamp-on design provides secure attachment. Typical applications include servo motors, encoders, and linear motion systems where precision and zero backlash are required
Double disc coupling with aluminum hub and center spacer, stainless steel discs. Bore diameter 5/16 in x 5/16 in, OD 1 in, round clamp-on design. Used in motion control applications requiring zero backlash and high torsional stiffness for precise torque transmission and misalignment compensation between two round shafts
RULAND MANUFACTURING
Double disc coupling with aluminum hub and center spacer, stainless steel discs. Bore diameter 5/16 in x 5/16 in, OD 1 in, round clamp-on design. Used in motion control applications requiring zero backlash and high torsional stiffness for precise torque transmission and misalignment compensation between two round shafts
Double disc coupling with 10 mm and 6 mm bore diameters, 25.4 mm outer diameter, and round clamp-on design. Constructed with aluminum hubs and center spacer, stainless steel hardware. Accommodates misalignment in motion control systems such as encoders, servo motors, and linear actuators
RULAND MANUFACTURING
Double disc coupling with 10 mm and 6 mm bore diameters, 25.4 mm outer diameter, and round clamp-on design. Constructed with aluminum hubs and center spacer, stainless steel hardware. Accommodates misalignment in motion control systems such as encoders, servo motors, and linear actuators
Double disc coupling for round shafts with a 45 mm x 1 3/4 in bore diameter and 3 1/8 in OD. Clamp-on design with aluminum hub and center spacer, stainless steel discs. Accommodates inch to metric bores with different bore dimensions. Used to connect rotating shafts while compensating for misalignment in motion control, packaging, and automation equipment
RULAND MANUFACTURING
Double disc coupling for round shafts with a 45 mm x 1 3/4 in bore diameter and 3 1/8 in OD. Clamp-on design with aluminum hub and center spacer, stainless steel discs. Accommodates inch to metric bores with different bore dimensions. Used to connect rotating shafts while compensating for misalignment in motion control, packaging, and automation equipment
Double disc coupling with aluminum hubs and stainless steel discs, featuring a round clamp-on design. Bore diameters: 20 mm and 10 mm, outer diameter 41.3 mm. Used in motion control applications to connect rotating shafts while compensating for misalignment
RULAND MANUFACTURING
Double disc coupling with aluminum hubs and stainless steel discs, featuring a round clamp-on design. Bore diameters: 20 mm and 10 mm, outer diameter 41.3 mm. Used in motion control applications to connect rotating shafts while compensating for misalignment
Double disc coupling for round shafts with a 1 1/4 in x 25 mm bore diameter and 2 3/4 in outer diameter. Features a round, clamp-on design with an aluminum hub and center spacer, and stainless steel discs. Accommodates inch to metric bore dimensions with different bore sizes. Used to connect two round shafts while accommodating misalignment in motion control, packaging, and automation equipment
RULAND MANUFACTURING
Double disc coupling for round shafts with a 1 1/4 in x 25 mm bore diameter and 2 3/4 in outer diameter. Features a round, clamp-on design with an aluminum hub and center spacer, and stainless steel discs. Accommodates inch to metric bore dimensions with different bore sizes. Used to connect two round shafts while accommodating misalignment in motion control, packaging, and automation equipment
This double disc coupling connects round shafts with 8 mm and 5 mm bores. It has a 19.1 mm outer diameter and a clamp-on style. The two-piece design with center spacer provides zero backlash and high torsional stiffness for motion control applications
RULAND MANUFACTURING
This double disc coupling connects round shafts with 8 mm and 5 mm bores. It has a 19.1 mm outer diameter and a clamp-on style. The two-piece design with center spacer provides zero backlash and high torsional stiffness for motion control applications
Double disc coupling for round shafts with 30 mm and 1 in bores, 2 3/4 in OD, and clamp-on style. Aluminum hub and center spacer with stainless steel discs. Used in power transmission to connect shafts of different sizes while compensating for misalignment
RULAND MANUFACTURING
Double disc coupling for round shafts with 30 mm and 1 in bores, 2 3/4 in OD, and clamp-on style. Aluminum hub and center spacer with stainless steel discs. Used in power transmission to connect shafts of different sizes while compensating for misalignment