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RULAND MANUFACTURING Disc Coupling: 1 1/4 in x 30 mm Bore Dia, 2 3/4 in OD, Round - Double Disc Couplings for Round Shafts
RULAND MANUFACTURINGDouble Disc Couplings for Round Shafts

RULAND MANUFACTURING Disc Coupling: 1 1/4 in x 30 mm Bore Dia, 2 3/4 in OD, Round

The RULAND MANUFACTURING Disc Coupling is a double disc coupling for round shafts with a 1 1/4 in x 30 mm bore diameter and 2 3/4 in OD. It features a clamp-on design with two discs and a center spacer, constructed…

SKU 3G-OTH-145354

Brand
RULAND MANUFACTURING
Item
Disc Coupling: 1 1/4 in x 30 mm Bore Dia, 2 3/4 in OD, Round
Category
Double Disc Couplings for Round Shafts
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Technical Specifications

RULAND MANUFACTURING
Manufacturer Part Number
DCD44-1-1/4"-30MM-A
Type
Round, Clamp On
OD
2 3/4 in
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RULAND MANUFACTURING Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The RULAND MANUFACTURING Disc Coupling is a double disc coupling for round shafts with a 1 1/4 in x 30 mm bore diameter and 2 3/4 in OD. It features a clamp-on design with two discs and a center spacer, constructed from aluminum hubs and stainless steel discs. This coupling accommodates inch to metric bore dimensions 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 disc coupling used for?

This double disc coupling connects round shafts with a 1 1/4 in x 30 mm bore diameter, accommodating inch-to-metric dimensions. It is used in motion control, packaging, and automation equipment to transmit torque while compensating for misalignment. The aluminum hubs and stainless steel discs provide high torsional stiffness and corrosion resistance.

What are the specifications of the RULAND disc coupling DCD44-1-1/4"-30MM-A?

The coupling has a 2 3/4 in outer diameter, round clamp-on design, and two discs with a center spacer. Bore diameters are 1 1/4 in and 30 mm (different bore dimensions). Hubs are aluminum, discs are stainless steel. It is manufactured by RULAND MANUFACTURING and supports inch-to-metric shaft connections.

Where to buy RULAND disc couplings worldwide?

3G Electric supplies RULAND disc couplings worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We source and deliver genuine RULAND components to support your motion control applications.

How to select the right RULAND disc coupling for inch-to-metric shafts?

Select a coupling with bore diameters matching your shaft sizes, such as the DCD44-1-1/4"-30MM-A for 1 1/4 in and 30 mm shafts. Ensure the outer diameter and torque rating suit your application. RULAND couplings use clamp-on hubs for secure fit. Verify shaft alignment and operating speed before installation.

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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RULAND MANUFACTURING Disc Coupling: 1 1/2 in x 30 mm Bore Dia, 2 3/4 in OD, Round, Clamp On (MPN DCD44-1-1/2"-30MM-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round; attr869743: Aluminum; attr869746: Yes; attr869747: Stainless Steel; attr869761: Aluminum; attr869778: 2 with Center Spacer; attr869794: Inch to Metric Bore.
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RULAND MANUFACTURING Disc Coupling: 1 1/2 in x 30 mm Bore Dia, 2 3/4 in OD, Round, Clamp On (MPN DCD44-1-1/2"-30MM-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round; attr869743: Aluminum; attr869746: Yes; attr869747: Stainless Steel; attr869761: Aluminum; attr869778: 2 with Center Spacer; attr869794: Inch to Metric Bore.
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RULAND MANUFACTURING Disc Coupling: 30 mm x 1 in Bore Dia, 2 3/4 in OD, Round, Clamp On (MPN DCD44-30MM-1"-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round; 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, Clamp On (MPN DCD44-1-1/2"-35MM-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round; attr869743: Aluminum; attr869746: Yes; attr869747: Stainless Steel; attr869761: Aluminum; attr869778: 2 with Center Spacer; attr869794: Inch to Metric Bore.
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RULAND MANUFACTURING Disc Coupling: 1 1/2 in x 35 mm Bore Dia, 2 3/4 in OD, Round, Clamp On (MPN DCD44-1-1/2"-35MM-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round; attr869743: Aluminum; attr869746: Yes; attr869747: Stainless Steel; attr869761: Aluminum; attr869778: 2 with Center Spacer; attr869794: Inch to Metric Bore.
RULAND MANUFACTURING Disc Coupling: 1 1/4 in x 25 mm Bore Dia, 2 3/4 in OD, Round, Clamp On (MPN DCD44-1-1/4"-25MM-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round; 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 25 mm Bore Dia, 2 3/4 in OD, Round, Clamp On (MPN DCD44-1-1/4"-25MM-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round; 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 25 mm Bore Dia, 2 3/4 in OD, Round, Clamp On (MPN DCD44-1-1/2"-25MM-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round; attr869743: Aluminum; attr869746: Yes; attr869747: Stainless Steel; attr869761: Aluminum; attr869778: 2 with Center Spacer; attr869794: Inch to Metric Bore.
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RULAND MANUFACTURING Disc Coupling: 1 1/2 in x 25 mm Bore Dia, 2 3/4 in OD, Round, Clamp On (MPN DCD44-1-1/2"-25MM-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round; attr869743: Aluminum; attr869746: Yes; attr869747: Stainless Steel; attr869761: Aluminum; attr869778: 2 with Center Spacer; attr869794: Inch to Metric Bore.
RULAND MANUFACTURING Disc Coupling: 35 mm x 1 in Bore Dia, 2 3/4 in OD, Round, Clamp On (MPN DCD44-35MM-1"-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round; 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: 35 mm x 1 in Bore Dia, 2 3/4 in OD, Round, Clamp On (MPN DCD44-35MM-1"-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round; attr869743: Aluminum; attr869746: Yes; attr869747: Stainless Steel; attr869761: Aluminum; attr869778: 2 with Center Spacer; attr869794: Inch to Metric Bore.

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RULAND MANUFACTURING Disc Coupling: 1 3/4 in x 1 3/4 in Bore Dia, 3 1/8 in OD, Round, Clamp On (MPN DCD50-28-28-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round; attr869743: Aluminum; attr869746: No; attr869747: Stainless Steel; attr869761: Aluminum; attr869778: 2 with Center Spacer; attr869794: Inch.
RULAND MANUFACTURING
RULAND MANUFACTURING Disc Coupling: 1 3/4 in x 1 3/4 in Bore Dia, 3 1/8 in OD, Round, Clamp On (MPN DCD50-28-28-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round; attr869743: Aluminum; attr869746: No; attr869747: Stainless Steel; attr869761: Aluminum; attr869778: 2 with Center Spacer; attr869794: Inch.
RULAND MANUFACTURING Motion Control Coupling: 14 mm x 12 mm Bore Dia, 41.3 mm OD, Round, Clamp On (MPN MDCD41-14-12-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round; attr869743: Aluminum; attr869746: Yes; attr869747: Stainless Steel; attr869761: Aluminum; attr869778: 2 with Center Spacer; attr869794: Metric.
RULAND MANUFACTURING
RULAND MANUFACTURING Motion Control Coupling: 14 mm x 12 mm Bore Dia, 41.3 mm OD, Round, Clamp On (MPN MDCD41-14-12-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round; attr869743: Aluminum; attr869746: Yes; attr869747: Stainless Steel; attr869761: Aluminum; attr869778: 2 with Center Spacer; attr869794: Metric.
RULAND MANUFACTURING Motion Control Coupling: 10 mm x 8 mm Bore Dia, 25.4 mm OD, Round, Clamp On (MPN MDCD25-10-8-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round; attr869743: Aluminum; attr869746: Yes; attr869747: Stainless Steel; attr869761: Aluminum; attr869778: 2 with Center Spacer; attr869794: Metric.
RULAND MANUFACTURING
RULAND MANUFACTURING Motion Control Coupling: 10 mm x 8 mm Bore Dia, 25.4 mm OD, Round, Clamp On (MPN MDCD25-10-8-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round; attr869743: Aluminum; attr869746: Yes; attr869747: Stainless Steel; attr869761: Aluminum; attr869778: 2 with Center Spacer; attr869794: Metric.
RULAND MANUFACTURING Motion Control Coupling: 3/4 in x 3/4 in Bore Dia, 1 5/8 in OD, Round, Clamp On (MPN DCD26-12-12-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round; attr869743: Aluminum; attr869746: No; attr869747: Stainless Steel; attr869761: Aluminum; attr869778: 2 with Center Spacer; attr869794: Inch.
RULAND MANUFACTURING
RULAND MANUFACTURING Motion Control Coupling: 3/4 in x 3/4 in Bore Dia, 1 5/8 in OD, Round, Clamp On (MPN DCD26-12-12-A). Key specifications — attr869742: RULAND MANUFACTURING; attr869741: Round; attr869743: Aluminum; attr869746: No; attr869747: Stainless Steel; attr869761: Aluminum; attr869778: 2 with Center Spacer; attr869794: Inch.