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

RULAND MANUFACTURING Disc Coupling: 45 mm x 1 3/4 in Bore Dia, 3 1/8 in OD - Double Disc Couplings for Keyed Shafts
RULAND MANUFACTURINGDouble Disc Couplings for Keyed Shafts

RULAND MANUFACTURING Disc Coupling: 45 mm x 1 3/4 in Bore Dia, 3 1/8 in OD

The RULAND MANUFACTURING Disc Coupling (MPN DCDK50-45MM-1-3/4"-A) is a double disc coupling for keyed shafts with a 45 mm x 1 3/4 in bore diameter and 3 1/8 in OD. It features a round hub with keyway, an aluminum hub…

SKU 3G-OTH-152590

Brand
RULAND MANUFACTURING
Item
Disc Coupling: 45 mm x 1 3/4 in Bore Dia, 3 1/8 in OD
Category
Double Disc Couplings for Keyed Shafts
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Technical Specifications

RULAND MANUFACTURING
Manufacturer Part Number
DCDK50-45MM-1-3/4"-A
Type
Round with Keyway
OD
3 1/8 in
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RULAND MANUFACTURING Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The RULAND MANUFACTURING Disc Coupling (MPN DCDK50-45MM-1-3/4"-A) is a double disc coupling for keyed shafts with a 45 mm x 1 3/4 in bore diameter and 3 1/8 in OD. It features a round hub with keyway, an aluminum hub and spacer, and stainless steel discs. This coupling has 2 discs with a center spacer and is designed for inch-sized shafts with 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 DCDK50-45MM-1-3/4"-A disc coupling used for?

This double disc coupling connects two keyed shafts with different bore diameters (45 mm and 1 3/4 in) in motion-control applications. It accommodates misalignment while transmitting torque, commonly used in packaging, printing, and machine-tool drives where precision and zero backlash are required.

What are the specifications of the RULAND MANUFACTURING DCDK50 disc coupling?

The coupling has a 45 mm x 1 3/4 in bore diameter, 3 1/8 in OD, round hub with keyway, aluminum hub and spacer, and stainless steel discs. It features 2 discs with a center spacer and is designed for inch-sized shafts with different bore dimensions.

Where to buy the RULAND MANUFACTURING DCDK50-45MM-1-3/4"-A disc coupling worldwide?

3G Electric supplies this RULAND MANUFACTURING disc coupling worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver to any country.

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

Match the bore diameters to your shaft sizes (here 45 mm and 1 3/4 in), ensure the keyway type matches your key, and verify the OD fits your space. RULAND MANUFACTURING couplings are designed for inch-sized shafts with different bore dimensions; confirm torque and misalignment requirements per the application.

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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RULAND MANUFACTURING Disc Coupling: 45 mm x 1 1/4 in Bore Dia, 3 1/8 in OD, Round with Keyway (MPN DCDK50-45MM-1-1/4"-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round with Keyway; attr869743: Aluminum; attr869746: Yes; attr869747: Stainless Steel; attr869761: Aluminum; attr869778: 2 with Center Spacer; attr869794: Inch.
RULAND MANUFACTURING
RULAND MANUFACTURING Disc Coupling: 45 mm x 1 1/4 in Bore Dia, 3 1/8 in OD, Round with Keyway (MPN DCDK50-45MM-1-1/4"-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round with Keyway; attr869743: Aluminum; attr869746: Yes; attr869747: Stainless Steel; attr869761: Aluminum; attr869778: 2 with Center Spacer; attr869794: Inch.
RULAND MANUFACTURING Disc Coupling: 45 mm x 1 1/2 in Bore Dia, 3 1/8 in OD, Round with Keyway (MPN DCDK50-45MM-1-1/2"-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round with Keyway; attr869743: Aluminum; attr869746: Yes; attr869747: Stainless Steel; attr869761: Aluminum; attr869778: 2 with Center Spacer; attr869794: Inch.
RULAND MANUFACTURING
RULAND MANUFACTURING Disc Coupling: 45 mm x 1 1/2 in Bore Dia, 3 1/8 in OD, Round with Keyway (MPN DCDK50-45MM-1-1/2"-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round with Keyway; attr869743: Aluminum; attr869746: Yes; attr869747: Stainless Steel; attr869761: Aluminum; attr869778: 2 with Center Spacer; attr869794: Inch.
RULAND MANUFACTURING Disc Coupling: 35 mm x 1 1/4 in Bore Dia, 3 1/8 in OD, Round with Keyway (MPN DCDK50-35MM-1-1/4"-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round with Keyway; attr869743: Aluminum; attr869746: Yes; attr869747: Stainless Steel; attr869761: Aluminum; attr869778: 2 with Center Spacer; attr869794: Inch.
RULAND MANUFACTURING
RULAND MANUFACTURING Disc Coupling: 35 mm x 1 1/4 in Bore Dia, 3 1/8 in OD, Round with Keyway (MPN DCDK50-35MM-1-1/4"-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round with Keyway; attr869743: Aluminum; attr869746: Yes; attr869747: Stainless Steel; attr869761: Aluminum; attr869778: 2 with Center Spacer; attr869794: Inch.
RULAND MANUFACTURING Disc Coupling: 40 mm x 1 1/4 in Bore Dia, 3 1/8 in OD, Round with Keyway (MPN DCDK50-40MM-1-1/4"-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round with Keyway; attr869743: Aluminum; attr869746: Yes; attr869747: Stainless Steel; attr869761: Aluminum; attr869778: 2 with Center Spacer; attr869794: Inch.
RULAND MANUFACTURING
RULAND MANUFACTURING Disc Coupling: 40 mm x 1 1/4 in Bore Dia, 3 1/8 in OD, Round with Keyway (MPN DCDK50-40MM-1-1/4"-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round with Keyway; attr869743: Aluminum; attr869746: Yes; attr869747: Stainless Steel; attr869761: Aluminum; attr869778: 2 with Center Spacer; attr869794: Inch.
RULAND MANUFACTURING Disc Coupling: 40 mm x 1 1/2 in Bore Dia, 3 1/8 in OD, Round with Keyway (MPN DCDK50-40MM-1-1/2"-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round with Keyway; attr869743: Aluminum; attr869746: Yes; attr869747: Stainless Steel; attr869761: Aluminum; attr869778: 2 with Center Spacer; attr869794: Inch.
RULAND MANUFACTURING
RULAND MANUFACTURING Disc Coupling: 40 mm x 1 1/2 in Bore Dia, 3 1/8 in OD, Round with Keyway (MPN DCDK50-40MM-1-1/2"-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round with Keyway; attr869743: Aluminum; attr869746: Yes; attr869747: Stainless Steel; attr869761: Aluminum; attr869778: 2 with Center Spacer; attr869794: Inch.
RULAND MANUFACTURING Disc Coupling: 35 mm x 1 in Bore Dia, 3 1/8 in OD, Round with Keyway, Clamp On (MPN DCDK50-35MM-1"-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round with Keyway; attr869743: Aluminum; attr869746: Yes; attr869747: Stainless Steel; attr869761: Aluminum; attr869778: 2 with Center Spacer; attr869794: Inch.
RULAND MANUFACTURING
RULAND MANUFACTURING Disc Coupling: 35 mm x 1 in Bore Dia, 3 1/8 in OD, Round with Keyway, Clamp On (MPN DCDK50-35MM-1"-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round with Keyway; attr869743: Aluminum; attr869746: Yes; attr869747: Stainless Steel; attr869761: Aluminum; attr869778: 2 with Center Spacer; attr869794: Inch.

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RULAND MANUFACTURING Disc Coupling: 1 1/2 in x 1 1/4 in Bore Dia, 2 3/4 in OD, Round with Keyway (MPN DCDK44-24-20-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round with Keyway; attr869743: Aluminum; attr869746: Yes; attr869747: Stainless Steel; attr869761: Aluminum; attr869778: 2 with Center Spacer; attr869794: Inch.
RULAND MANUFACTURING Disc Coupling: 40 mm x 30 mm Bore Dia, 79.4 mm OD, Round with Keyway, Clamp On (MPN MDCDK80-40-30-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round with Keyway; attr869743: Aluminum; attr869746: Yes; attr869747: Stainless Steel; attr869761: Aluminum; attr869778: 2 with Center Spacer; attr869794: Metric.
RULAND MANUFACTURING
RULAND MANUFACTURING Disc Coupling: 40 mm x 30 mm Bore Dia, 79.4 mm OD, Round with Keyway, Clamp On (MPN MDCDK80-40-30-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round with Keyway; attr869743: Aluminum; attr869746: Yes; attr869747: Stainless Steel; attr869761: Aluminum; attr869778: 2 with Center Spacer; attr869794: Metric.
RULAND MANUFACTURING Disc Coupling: 1 1/4 in x 30 mm Bore Dia, 2 3/4 in OD, Round with Keyway (MPN DCDK44-1-1/4"-30MM-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round with Keyway; attr869743: Aluminum; attr869746: Yes; attr869747: Stainless Steel; attr869761: Aluminum; attr869778: 2 with Center Spacer; attr869794: Inch to Metric Bore.
RULAND MANUFACTURING
RULAND MANUFACTURING Disc Coupling: 1 1/4 in x 30 mm Bore Dia, 2 3/4 in OD, Round with Keyway (MPN DCDK44-1-1/4"-30MM-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round with Keyway; attr869743: Aluminum; attr869746: Yes; attr869747: Stainless Steel; attr869761: Aluminum; attr869778: 2 with Center Spacer; attr869794: Inch to Metric Bore.
RULAND MANUFACTURING Disc Coupling: 1 1/2 in x 35 mm Bore Dia, 2 3/4 in OD, Round with Keyway (MPN DCDK44-1-1/2"-35MM-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round with Keyway; attr869743: Aluminum; attr869746: Yes; attr869747: Stainless Steel; attr869761: Aluminum; attr869778: 2 with Center Spacer; attr869794: Inch to Metric Bore.
RULAND MANUFACTURING
RULAND MANUFACTURING Disc Coupling: 1 1/2 in x 35 mm Bore Dia, 2 3/4 in OD, Round with Keyway (MPN DCDK44-1-1/2"-35MM-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round with Keyway; attr869743: Aluminum; attr869746: Yes; attr869747: Stainless Steel; attr869761: Aluminum; attr869778: 2 with Center Spacer; attr869794: Inch to Metric Bore.
RULAND MANUFACTURING Disc Coupling: 30 mm x 30 mm Bore Dia, 69.9 mm OD, Round with Keyway, Clamp On (MPN MDCDK70-30-30-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round with Keyway; attr869743: Aluminum; attr869746: No; attr869747: Stainless Steel; attr869761: Aluminum; attr869778: 2 with Center Spacer; attr869794: Metric.
RULAND MANUFACTURING
RULAND MANUFACTURING Disc Coupling: 30 mm x 30 mm Bore Dia, 69.9 mm OD, Round with Keyway, Clamp On (MPN MDCDK70-30-30-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round with Keyway; attr869743: Aluminum; attr869746: No; attr869747: Stainless Steel; attr869761: Aluminum; attr869778: 2 with Center Spacer; attr869794: Metric.
RULAND MANUFACTURING Disc Coupling: 45 mm x 40 mm Bore Dia, 79.4 mm OD, Round with Keyway, Clamp On (MPN MDCDK80-45-40-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round with Keyway; attr869743: Aluminum; attr869746: Yes; attr869747: Stainless Steel; attr869761: Aluminum; attr869778: 2 with Center Spacer; attr869794: Metric.
RULAND MANUFACTURING
RULAND MANUFACTURING Disc Coupling: 45 mm x 40 mm Bore Dia, 79.4 mm OD, Round with Keyway, Clamp On (MPN MDCDK80-45-40-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round with Keyway; attr869743: Aluminum; attr869746: Yes; attr869747: Stainless Steel; attr869761: Aluminum; attr869778: 2 with Center Spacer; attr869794: Metric.
RULAND MANUFACTURING Disc Coupling: 1 3/4 in x 30 mm Bore Dia, 3 1/8 in OD, Round with Keyway (MPN DCDK50-1-3/4"-30MM-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round with Keyway; attr869743: Aluminum; attr869746: Yes; attr869747: Stainless Steel; attr869761: Aluminum; attr869778: 2 with Center Spacer; attr869794: Inch.
RULAND MANUFACTURING
RULAND MANUFACTURING Disc Coupling: 1 3/4 in x 30 mm Bore Dia, 3 1/8 in OD, Round with Keyway (MPN DCDK50-1-3/4"-30MM-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round with Keyway; attr869743: Aluminum; attr869746: Yes; attr869747: Stainless Steel; attr869761: Aluminum; attr869778: 2 with Center Spacer; attr869794: Inch.
RULAND MANUFACTURING Disc Coupling: 35 mm x 35 mm Bore Dia, 69.9 mm OD, Round with Keyway, Clamp On (MPN MDCDK70-35-35-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round with Keyway; attr869743: Aluminum; attr869746: No; attr869747: Stainless Steel; attr869761: Aluminum; attr869778: 2 with Center Spacer; attr869794: Metric.
RULAND MANUFACTURING
RULAND MANUFACTURING Disc Coupling: 35 mm x 35 mm Bore Dia, 69.9 mm OD, Round with Keyway, Clamp On (MPN MDCDK70-35-35-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round with Keyway; attr869743: Aluminum; attr869746: No; attr869747: Stainless Steel; attr869761: Aluminum; attr869778: 2 with Center Spacer; attr869794: Metric.