RULAND MANUFACTURINGClamp-On Bellows Shaft Couplings for Keyed Shafts

RULAND MANUFACTURING Bellows Coupling: 1 1/4 in Bore Dia 1, 1 1/4 in Bore Dia 2, Aluminum

SKU 3G-OTH-134873

Also listed as: BCK442020A · BCK44 20 20 A

Brand

RULAND MANUFACTURING

Item

Bellows Coupling: 1 1/4 in Bore Dia 1, 1 1/4 in Bore Dia 2, Aluminum

Local availability & support

Delivery: Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

RULAND MANUFACTURING

Manufacturer Part Number

BCK44-20-20-A 

Type

1 1/4 in Bore Dia 2, Aluminum, Clamp On 

Technical Documents

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RULAND MANUFACTURING Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

The RULAND MANUFACTURING BCK44-20-20-A is a clamp-on bellows shaft coupling for keyed shafts with 1 1/4 in bore diameters on both ends. It is constructed with a stainless steel bellows and an aluminum hub, and is designed for inch-dimension shafts. This coupling has same bore dimensions and does not include a keyway.

Frequently Asked Questions

What is a RULAND MANUFACTURING BCK44-20-20-A bellows coupling used for?

The RULAND MANUFACTURING BCK44-20-20-A is a clamp-on bellows shaft coupling designed for keyed shafts with 1 1/4 in bore diameters. It compensates for misalignment in motion-control systems, such as servo motors and encoders, while transmitting torque smoothly. 3G Electric supplies this coupling for industrial applications worldwide.

What are the specifications of the RULAND MANUFACTURING BCK44-20-20-A?

The BCK44-20-20-A has 1 1/4 in bore diameters on both ends, a stainless steel bellows, and an aluminum hub. It is an inch-dimension, clamp-on design with no keyway. The manufacturer part number is BCK44-20-20-A. 3G Electric sources this RULAND MANUFACTURING coupling for global delivery.

Where to buy a RULAND MANUFACTURING BCK44-20-20-A worldwide?

3G Electric supplies the RULAND MANUFACTURING BCK44-20-20-A bellows coupling to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this precision coupling for keyed shafts.

How to install a RULAND MANUFACTURING clamp-on bellows coupling?

To install the BCK44-20-20-A, clean both shaft ends and the coupling bores. Slide the coupling onto the shafts, align the equipment, and tighten the clamp screws evenly to the manufacturer's torque specification. 3G Electric provides this RULAND MANUFACTURING coupling for motion-control systems globally.

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 clamp-on bellows shaft 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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