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RULAND MANUFACTURING Disc Coupling: 40 mm x 1 in Bore Dia, 3 1/8 in OD, Round with Keyway - Double Disc Couplings for Keyed Shafts
RULAND MANUFACTURINGDouble Disc Couplings for Keyed Shafts

RULAND MANUFACTURING Disc Coupling: 40 mm x 1 in Bore Dia, 3 1/8 in OD, Round with Keyway

The RULAND MANUFACTURING Disc Coupling (MPN DCDK50-40MM-1"-A) is a double disc coupling for keyed shafts with a 40 mm x 1 in bore diameter and 3 1/8 in OD. It features a round with keyway bore, aluminum hubs and…

SKU 3G-OTH-152588

Brand
RULAND MANUFACTURING
Item
Disc Coupling: 40 mm x 1 in Bore Dia, 3 1/8 in OD, Round with Keyway
Category
Double Disc Couplings for Keyed Shafts
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Technical Specifications

RULAND MANUFACTURING
Manufacturer Part Number
DCDK50-40MM-1"-A
Type
Round with Keyway, Clamp On
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 DCDK50-40MM-1"-A) is a double disc coupling for keyed shafts with a 40 mm x 1 in bore diameter and 3 1/8 in OD. It features a round with keyway bore, aluminum hubs and center spacer, and stainless steel discs. This coupling has 2 with center spacer design and is clamp-on style, with different bore dimensions in inch units.

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 keyed shafts in motion-control applications such as servo drives, encoders, and linear actuators. It accommodates misalignment while transmitting torque smoothly. The aluminum hubs and stainless steel discs provide high torsional stiffness and corrosion resistance for precision industrial equipment.

What are the specifications of the RULAND MANUFACTURING DCDK50-40MM-1"-A coupling?

This coupling has a 40 mm x 1 in bore diameter, 3 1/8 in OD, and a round with keyway bore. It features a clamp-on design with aluminum hubs and center spacer, plus stainless steel discs. The design includes 2 discs with a center spacer, and bore dimensions are in inch units.

Where to buy the RULAND MANUFACTURING disc coupling worldwide?

3G Electric supplies the RULAND MANUFACTURING DCDK50-40MM-1"-A disc coupling worldwide. As a global industrial distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

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

Select based on shaft diameters (bore size), torque requirements, and misalignment needs. This model fits 40 mm and 1 in keyed shafts with a clamp-on round with keyway bore. Ensure the OD (3 1/8 in) and overall length accommodate your space. RULAND MANUFACTURING offers various bore combinations; verify compatibility with your shaft keyway dimensions.

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: 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: 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 in x 25 mm Bore Dia, 3 1/8 in OD, Round with Keyway, Clamp On (MPN DCDK50-1"-25MM-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: 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.
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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.
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RULAND MANUFACTURING
RULAND MANUFACTURING Disc Coupling: 45 mm x 1 in Bore Dia, 3 1/8 in OD, Round with Keyway, Clamp On (MPN DCDK50-45MM-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
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.