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RULAND MANUFACTURING Double Disc Coupling for Keyed Shafts - Double Disc Couplings for Keyed Shafts
RULAND MANUFACTURINGDouble Disc Couplings for Keyed Shafts

RULAND MANUFACTURING Double Disc Coupling for Keyed Shafts

The RULAND MANUFACTURING Disc Coupling (MPN DCDK50-1-3/4"-30MM-A) is a double disc coupling for keyed shafts with different bore dimensions: 1 3/4 in and 30 mm. It features a round with keyway bore type, an aluminum…

SKU 3G-OTH-152563

Also listed as: DCDK5013430MMA · DCDK50 1 3 4 30MM A · DCDK50-1-3-4-30MM-A

Brand
RULAND MANUFACTURING
Item
Double Disc Coupling for Keyed Shafts
Category
Double Disc Couplings for Keyed Shafts
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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
DCDK50-1-3/4"-30MM-A
Type
Round with Keyway
OD
3 1/8 in

Technical Documents

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

Product Description

The RULAND MANUFACTURING Disc Coupling (MPN DCDK50-1-3/4"-30MM-A) is a double disc coupling for keyed shafts with different bore dimensions: 1 3/4 in and 30 mm. It features a round with keyway bore type, an aluminum hub and center spacer, and stainless steel disc packs. This coupling has a 3 1/8 in OD and is designed with 2 discs with center spacer, in inch 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 a RULAND MANUFACTURING disc coupling used for?

A RULAND MANUFACTURING disc coupling connects two shafts while accommodating misalignment. This double disc coupling with center spacer is used in precision motion control, servo systems, and industrial machinery where zero backlash and high torsional stiffness are required.

What are the specifications of the RULAND DCDK50-1-3/4"-30MM-A coupling?

This RULAND MANUFACTURING double disc coupling has bore diameters of 1 3/4 in and 30 mm, a 3 1/8 in OD, round with keyway bore type, aluminum hub and center spacer, and stainless steel disc packs. It is designed for inch dimensions with two discs and a center spacer.

Where to buy RULAND MANUFACTURING disc couplings worldwide?

3G Electric supplies RULAND MANUFACTURING disc couplings worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us to source the DCDK50-1-3/4"-30MM-A or other precision couplings for your application.

How to select a double disc coupling for keyed shafts?

Select a double disc coupling by matching bore sizes to your shaft diameters, verifying keyway dimensions, and ensuring torque and misalignment ratings meet your application. For the RULAND DCDK50-1-3/4"-30MM-A, confirm the 1 3/4 in and 30 mm bores fit your shafts and that the aluminum/stainless steel construction suits your environment.

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 keyed shafts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Cross-referenced by specification & description
This double disc coupling connects two keyed shafts with different bore sizes (1 1/4 in and 30 mm) while compensating for misalignment. It features an aluminum hub and center spacer with stainless steel disc packs, providing zero backlash and high torsional stiffness for precision motion control and industrial automation applications
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This double disc coupling connects two keyed shafts with different bore sizes (1 1/4 in and 30 mm) while compensating for misalignment. It features an aluminum hub and center spacer with stainless steel disc packs, providing zero backlash and high torsional stiffness for precision motion control and industrial automation applications
Double disc coupling with a round keyway bore, designed for connecting two keyed shafts with different diameters (1 1/2 in and 30 mm). Features an aluminum hub and center spacer with stainless steel discs, accommodating misalignment in motion control and automation equipment
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Double disc coupling with a round keyway bore, designed for connecting two keyed shafts with different diameters (1 1/2 in and 30 mm). Features an aluminum hub and center spacer with stainless steel discs, accommodating misalignment in motion control and automation equipment
This double disc coupling connects keyed shafts of different bore sizes (1-3/4 in and 35 mm) in motion-control applications. It compensates for misalignment while transmitting torque, commonly used in packaging, printing, and machine-tool drives where precision and zero backlash are required. Features an aluminum hub and center spacer with stainless steel disc packs
RULAND MANUFACTURING
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RULAND MANUFACTURING
Double disc coupling for keyed shafts with a 1 3/4 in and 25 mm bore diameter, 3 1/8 in OD, and round with keyway bore. Features aluminum hub and center spacer with stainless steel disc packs. Designed to connect shafts of different diameters in motion-control systems, compensating for misalignment while transmitting torque with zero backlash and high torsional stiffness
This double disc coupling connects two keyed shafts with different bore sizes (1 1/2 in and 35 mm) while compensating for misalignment. It features an aluminum hub and center spacer with stainless steel discs, providing zero backlash and high torsional stiffness. Commonly used in motion control, packaging, and automation equipment
RULAND MANUFACTURING
This double disc coupling connects two keyed shafts with different bore sizes (1 1/2 in and 35 mm) while compensating for misalignment. It features an aluminum hub and center spacer with stainless steel discs, providing zero backlash and high torsional stiffness. Commonly used in motion control, packaging, and automation equipment
This double disc coupling connects two shafts in power transmission applications, accommodating misalignment while transmitting torque. It features a round with keyway bore, aluminum hub and center spacer, and stainless steel disc packs. Designed for inch to metric bore applications with different bore dimensions, it includes a center spacer
RULAND MANUFACTURING
This double disc coupling connects two shafts in power transmission applications, accommodating misalignment while transmitting torque. It features a round with keyway bore, aluminum hub and center spacer, and stainless steel disc packs. Designed for inch to metric bore applications with different bore dimensions, it includes a center spacer

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This double disc coupling connects two keyed shafts with bore diameters of 1 1/2 in and 1 1/4 in. It features a 2 3/4 in outer diameter, round with keyway bores, aluminum hubs, and a stainless steel center spacer. Designed to accommodate misalignment in power transmission applications such as motion control and packaging equipment
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