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

The RULAND MANUFACTURING MDCD80-30-30-A is a double disc coupling for round shafts with 30 mm x 30 mm same bore dimensions and a 79.4 mm OD. It features a clamp-on design, an aluminum hub and center spacer, stainless…

SKU 3G-OTH-145370

Also listed as: MDCD803030A · MDCD80 30 30 A

Brand
RULAND MANUFACTURING
Item
Disc Coupling: 30 mm x 30 mm Bore Dia, 79.4 mm OD, Round
Category
Double Disc Couplings for Round Shafts
Available to Order
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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
MDCD80-30-30-A
Type
Round, Clamp On
OD
79.4 mm

Technical Documents

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RULAND MANUFACTURING Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The RULAND MANUFACTURING MDCD80-30-30-A is a double disc coupling for round shafts with 30 mm x 30 mm same bore dimensions and a 79.4 mm OD. It features a clamp-on design, an aluminum hub and center spacer, stainless steel discs, and two discs with a center spacer. This metric coupling has no keyway and is suitable for applications requiring zero-backlash torque transmission.

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 double disc coupling used for?

A RULAND MANUFACTURING double disc coupling like the MDCD80-30-30-A is used to connect two rotating shafts while compensating for misalignment. It provides zero-backlash torque transmission in precision motion control, packaging, and automation equipment. The aluminum hub and stainless steel discs handle high speeds and maintain accuracy.

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

The RULAND MANUFACTURING MDCD80-30-30-A is a metric double disc coupling with 30 mm x 30 mm same bore diameters, 79.4 mm OD, and a round clamp-on design. It has an aluminum hub and center spacer, stainless steel discs, two discs with a center spacer, and no keyway. The manufacturer part number is MDCD80-30-30-A.

Where to buy a RULAND MANUFACTURING MDCD80-30-30-A coupling worldwide?

3G Electric supplies the RULAND MANUFACTURING MDCD80-30-30-A double disc coupling to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this metric coupling with 30 mm bores and 79.4 mm OD.

How to select a double disc coupling for round shafts?

To select a double disc coupling like the RULAND MANUFACTURING MDCD80-30-30-A, match bore sizes to your shaft diameters (here 30 mm x 30 mm), check OD and length for space constraints, and confirm torque and misalignment ratings. Choose clamp-on style for easy installation and zero-backlash performance in precision applications.

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.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
Double disc coupling for round shafts with 30 mm and 25 mm bore diameters, 79.4 mm OD, and clamp-on design. Aluminum hub and center spacer with stainless steel disc packs. Used in motion control and automation to connect shafts with different bores while compensating for misalignment
RULAND MANUFACTURING
Double disc coupling for round shafts with 30 mm and 25 mm bore diameters, 79.4 mm OD, and clamp-on design. Aluminum hub and center spacer with stainless steel disc packs. Used in motion control and automation to connect shafts with different bores while compensating for misalignment
RULAND MANUFACTURING Disc Coupling: 30 mm x 30 mm Bore Dia, 69.9 mm OD, Round, Clamp On (MPN MDCD70-30-30-A)
RULAND MANUFACTURING
RULAND MANUFACTURING Disc Coupling: 30 mm x 30 mm Bore Dia, 69.9 mm OD, Round, Clamp On (MPN MDCD70-30-30-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: 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: 30 mm x 25 mm Bore Dia, 69.9 mm OD, Round, Clamp On (MPN MDCD70-30-25-A)
RULAND MANUFACTURING
RULAND MANUFACTURING Disc Coupling: 30 mm x 25 mm Bore Dia, 69.9 mm OD, Round, Clamp On (MPN MDCD70-30-25-A)
RULAND MANUFACTURING Disc Coupling: 35 mm x 30 mm Bore Dia, 69.9 mm OD, Round, Clamp On (MPN MDCD70-35-30-A)
RULAND MANUFACTURING
RULAND MANUFACTURING Disc Coupling: 35 mm x 30 mm Bore Dia, 69.9 mm OD, Round, Clamp On (MPN MDCD70-35-30-A)

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