We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

RULAND MANUFACTURING Motion Control Coupling: 1/4 in Bore Dia 1, 1/4 in Bore Dia 2, Aluminum - Clamp-On Bellows Shaft Couplings for Round Shafts
RULAND MANUFACTURINGClamp-On Bellows Shaft Couplings for Round Shafts

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

This RULAND MANUFACTURING BC12-4-4-A is a clamp-on bellows shaft coupling for round shafts, constructed with stainless steel hardware and an aluminum body. It features a 1/4 inch bore diameter on both ends with same…

SKU 3G-OTH-135565

Also listed as: BC1244A · BC12 4 4 A

Brand
RULAND MANUFACTURING
Item
Motion Control Coupling: 1/4 in Bore Dia 1, 1/4 in Bore Dia 2, Aluminum
Category
Clamp-On Bellows Shaft Couplings for Round Shafts
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
BC12-4-4-A
Type
1/4 in Bore Dia 2, Aluminum, Inch

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

This RULAND MANUFACTURING BC12-4-4-A is a clamp-on bellows shaft coupling for round shafts, constructed with stainless steel hardware and an aluminum body. It features a 1/4 inch bore diameter on both ends with same bore dimensions, and is designed for inch-sized shafts. This motion control coupling is suitable for applications requiring zero backlash and high torsional stiffness.

Frequently Asked Questions

What is the RULAND MANUFACTURING BC12-4-4-A coupling used for?

The RULAND MANUFACTURING BC12-4-4-A is a clamp-on bellows shaft coupling designed for motion control applications requiring zero backlash and high torsional stiffness. It connects two 1/4 inch round shafts with same bore dimensions, making it suitable for precision positioning systems, encoders, and servo drives in industrial automation.

What are the specifications of the RULAND MANUFACTURING BC12-4-4-A?

The BC12-4-4-A has a 1/4 inch bore diameter on both ends with same bore dimensions, an aluminum body, and stainless steel hardware. It is an inch-sized motion control coupling from RULAND MANUFACTURING, part number BC12-4-4-A. The clamp-on bellows design provides zero backlash and high torsional stiffness for precise shaft alignment.

Where to buy the RULAND MANUFACTURING BC12-4-4-A worldwide?

You can source the RULAND MANUFACTURING BC12-4-4-A coupling through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine RULAND MANUFACTURING motion control couplings for international orders.

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

To install the BC12-4-4-A, ensure shafts are clean and aligned within the coupling's specified misalignment tolerances. Loosen the clamp screws, slide the coupling onto both 1/4 inch shafts, then tighten the stainless steel hardware evenly to the manufacturer's recommended torque. Avoid over-tightening to prevent damage to the bellows or shafts.

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

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
RULAND MANUFACTURING Motion Control Coupling: 1/4 in Bore Dia 1, 3/16 in Bore Dia 2, Aluminum, Inch (MPN BC12-4-3-A)
RULAND MANUFACTURING
RULAND MANUFACTURING Motion Control Coupling: 1/4 in Bore Dia 1, 3/16 in Bore Dia 2, Aluminum, Inch (MPN BC12-4-3-A)
RULAND MANUFACTURING Motion Control Coupling: 3/16 in Bore Dia 1, 1/8 in Bore Dia 2, Aluminum, Inch (MPN BC10-3-2-A)
RULAND MANUFACTURING
RULAND MANUFACTURING Motion Control Coupling: 3/16 in Bore Dia 1, 1/8 in Bore Dia 2, Aluminum, Inch (MPN BC10-3-2-A)
RULAND MANUFACTURING Motion Control Coupling: 1/8 in Bore Dia 1, 1/8 in Bore Dia 2, Aluminum, Inch (MPN BC10-2-2-A)
RULAND MANUFACTURING
RULAND MANUFACTURING Motion Control Coupling: 1/8 in Bore Dia 1, 1/8 in Bore Dia 2, Aluminum, Inch (MPN BC10-2-2-A)
RULAND MANUFACTURING Motion Control Coupling: 3/16 in Bore Dia 1, 3/16 in Bore Dia 2, Aluminum, Inch (MPN BC10-3-3-A)
RULAND MANUFACTURING
RULAND MANUFACTURING Motion Control Coupling: 3/16 in Bore Dia 1, 3/16 in Bore Dia 2, Aluminum, Inch (MPN BC10-3-3-A)
RULAND MANUFACTURING Motion Control Coupling: 1/4 in Bore Dia 1, 1/4 in Bore Dia 2, Aluminum, Inch (MPN BC10-4-4-A)
RULAND MANUFACTURING
RULAND MANUFACTURING Motion Control Coupling: 1/4 in Bore Dia 1, 1/4 in Bore Dia 2, Aluminum, Inch (MPN BC10-4-4-A)
RULAND MANUFACTURING Motion Control Coupling: 1/4 in Bore Dia 1, 1/8 in Bore Dia 2, Aluminum, Inch (MPN BC10-4-2-A)
RULAND MANUFACTURING
RULAND MANUFACTURING Motion Control Coupling: 1/4 in Bore Dia 1, 1/8 in Bore Dia 2, Aluminum, Inch (MPN BC10-4-2-A)

More from RULAND MANUFACTURING

View all RULAND MANUFACTURING parts
This clamp-on bellows shaft coupling from RULAND MANUFACTURING features two 3/16 inch bores of the same diameter, an aluminum bellows, and a stainless steel body. Designed for inch-sized round shafts, it provides zero backlash and high torsional stiffness for motion control applications such as precision positioning systems, encoders, and servo drives
RULAND MANUFACTURING
This clamp-on bellows shaft coupling from RULAND MANUFACTURING features two 3/16 inch bores of the same diameter, an aluminum bellows, and a stainless steel body. Designed for inch-sized round shafts, it provides zero backlash and high torsional stiffness for motion control applications such as precision positioning systems, encoders, and servo drives
This clamp-on bellows shaft coupling connects round shafts with 1/4 in and 6 mm bores, compensating for misalignment while transmitting torque. It is suited for motion-control systems requiring zero backlash and high torsional stiffness. Maximum speed is 10,000 RPM
RULAND MANUFACTURING
This clamp-on bellows shaft coupling connects round shafts with 1/4 in and 6 mm bores, compensating for misalignment while transmitting torque. It is suited for motion-control systems requiring zero backlash and high torsional stiffness. Maximum speed is 10,000 RPM
This clamp-on bellows shaft coupling connects two round shafts with bore diameters of 1/4 in and 3 mm. It is constructed from stainless steel and accommodates angular, parallel, and axial misalignment in motion-control applications. Suitable for use with servo motors, encoders, and precision positioning systems at speeds up to 10,000 RPM
RULAND MANUFACTURING
This clamp-on bellows shaft coupling connects two round shafts with bore diameters of 1/4 in and 3 mm. It is constructed from stainless steel and accommodates angular, parallel, and axial misalignment in motion-control applications. Suitable for use with servo motors, encoders, and precision positioning systems at speeds up to 10,000 RPM
This clamp-on bellows shaft coupling connects two round shafts with a 10 mm bore and a 1/4 in bore. It is constructed from stainless steel and has a maximum speed of 10,000 RPM. The bellows design compensates for misalignment in motion control systems, providing zero backlash and high torsional stiffness
RULAND MANUFACTURING
This clamp-on bellows shaft coupling connects two round shafts with a 10 mm bore and a 1/4 in bore. It is constructed from stainless steel and has a maximum speed of 10,000 RPM. The bellows design compensates for misalignment in motion control systems, providing zero backlash and high torsional stiffness
Stainless steel clamp-on bellows coupling for connecting a 1/2 in shaft to an 8 mm shaft. Features two same-diameter bores, no keyway, and a maximum speed of 10,000 RPM. Compensates for misalignment in motion-control applications such as precision positioning systems, encoders, and servo drives
RULAND MANUFACTURING
Stainless steel clamp-on bellows coupling for connecting a 1/2 in shaft to an 8 mm shaft. Features two same-diameter bores, no keyway, and a maximum speed of 10,000 RPM. Compensates for misalignment in motion-control applications such as precision positioning systems, encoders, and servo drives
Clamp-on bellows shaft coupling for round shafts with 8 mm bore diameter 1 and 1/4 in bore diameter 2, and 1 in outside diameter. Stainless steel construction with inch-to-metric bore configuration. Used to connect two rotating shafts while compensating for misalignment in precision motion control applications
RULAND MANUFACTURING
Clamp-on bellows shaft coupling for round shafts with 8 mm bore diameter 1 and 1/4 in bore diameter 2, and 1 in outside diameter. Stainless steel construction with inch-to-metric bore configuration. Used to connect two rotating shafts while compensating for misalignment in precision motion control applications
This clamp-on bellows shaft coupling connects two round shafts with 17 mm and 14 mm bore diameters. The stainless steel bellows compensates for misalignment, while the aluminum hub provides lightweight support. Typical applications include motion control systems such as servo motors, encoders, and linear actuators
RULAND MANUFACTURING
This clamp-on bellows shaft coupling connects two round shafts with 17 mm and 14 mm bore diameters. The stainless steel bellows compensates for misalignment, while the aluminum hub provides lightweight support. Typical applications include motion control systems such as servo motors, encoders, and linear actuators
This clamp-on bellows shaft coupling connects two 6 mm diameter round shafts, compensating for misalignment while transmitting torque. It is suited for motion control applications such as servo motors and precision positioning systems. The coupling is made of stainless steel and has a maximum speed of 10,000 RPM
RULAND MANUFACTURING
This clamp-on bellows shaft coupling connects two 6 mm diameter round shafts, compensating for misalignment while transmitting torque. It is suited for motion control applications such as servo motors and precision positioning systems. The coupling is made of stainless steel and has a maximum speed of 10,000 RPM