Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

RULAND MANUFACTURING Clamp-On Bellows Shaft Coupling - Clamp-On Bellows Shaft Couplings for Keyed Shafts
RULAND MANUFACTURINGClamp-On Bellows Shaft Couplings for Keyed Shafts

RULAND MANUFACTURING Clamp-On Bellows Shaft Coupling

The RULAND MANUFACTURING MBCK51-20-20-A is a clamp-on bellows shaft coupling for keyed shafts, featuring a 20 mm bore diameter 1 and 20 mm bore diameter 2 with a 6 mm x 6 mm keyway size 1. Constructed from stainless…

SKU 3G-OTH-134912

Also listed as: MBCK512020A · MBCK51 20 20 A

Brand
RULAND MANUFACTURING
Item
Clamp-On Bellows Shaft Coupling
Category
Clamp-On Bellows Shaft Couplings for Keyed 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 — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

RULAND MANUFACTURING
Manufacturer Part Number
MBCK51-20-20-A
Type
20 mm Bore Dia 2, 6 mm x 6 mm Keyway Size 1

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

The RULAND MANUFACTURING MBCK51-20-20-A is a clamp-on bellows shaft coupling for keyed shafts, featuring a 20 mm bore diameter 1 and 20 mm bore diameter 2 with a 6 mm x 6 mm keyway size 1. Constructed from stainless steel, this metric coupling accommodates different bore dimensions and includes a clamp-on design.

Frequently Asked Questions

What is the RULAND MANUFACTURING MBCK51-20-20-A bellows coupling used for?

The RULAND MANUFACTURING MBCK51-20-20-A is a clamp-on bellows shaft coupling designed for keyed shafts. It is used in precision motion control applications such as servo motors, encoders, and linear actuators where misalignment compensation and zero backlash are required. The stainless steel construction suits industrial environments needing corrosion resistance.

What are the specifications of the RULAND MANUFACTURING MBCK51-20-20-A?

The RULAND MANUFACTURING MBCK51-20-20-A has a 20 mm bore diameter 1 and 20 mm bore diameter 2 with a 6 mm x 6 mm keyway size 1. It is a metric, clamp-on bellows coupling made of stainless steel. The coupling accommodates different bore dimensions and is designed for keyed shafts.

Where to buy the RULAND MANUFACTURING MBCK51-20-20-A worldwide?

You can source the RULAND MANUFACTURING MBCK51-20-20-A bellows 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 on this stainless steel metric coupling.

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

To install the RULAND MANUFACTURING MBCK51-20-20-A, ensure shafts are clean and align within the coupling's misalignment ratings. Loosen the clamp screws, slide the coupling onto both shafts, and tighten the screws evenly to the manufacturer's recommended torque. Avoid over-tightening to prevent damage to the bellows.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
This clamp-on bellows shaft coupling from RULAND MANUFACTURING features two 20 mm bores with a 6 mm x 6 mm keyway, designed for keyed shafts. Constructed from stainless steel, it provides a torsionally rigid, zero-backlash connection suitable for precision motion control and servo systems
RULAND MANUFACTURING
This clamp-on bellows shaft coupling from RULAND MANUFACTURING features two 20 mm bores with a 6 mm x 6 mm keyway, designed for keyed shafts. Constructed from stainless steel, it provides a torsionally rigid, zero-backlash connection suitable for precision motion control and servo systems
This clamp-on bellows shaft coupling connects two keyed shafts of 20 mm diameter each, with a 6 mm x 6 mm keyway. It accommodates misalignment in motion control systems and provides zero backlash and high torsional stiffness. Constructed from stainless steel, it is suitable for metric shaft sizes
RULAND MANUFACTURING
This clamp-on bellows shaft coupling connects two keyed shafts of 20 mm diameter each, with a 6 mm x 6 mm keyway. It accommodates misalignment in motion control systems and provides zero backlash and high torsional stiffness. Constructed from stainless steel, it is suitable for metric shaft sizes
This clamp-on bellows shaft coupling connects two keyed shafts with 20 mm and 15 mm bores, featuring a 5 mm x 6 mm keyway. Constructed of stainless steel, it compensates for misalignment while transmitting torque in precision motion control applications such as robotics, packaging, and machine tools
RULAND MANUFACTURING
This clamp-on bellows shaft coupling connects two keyed shafts with 20 mm and 15 mm bores, featuring a 5 mm x 6 mm keyway. Constructed of stainless steel, it compensates for misalignment while transmitting torque in precision motion control applications such as robotics, packaging, and machine tools
This clamp-on bellows shaft coupling connects two keyed shafts in motion-control applications, compensating for misalignment while transmitting torque. It features a 20 mm bore diameter 1 and a 10 mm bore diameter 2 with a 3 mm x 6 mm keyway size 1. Constructed from stainless steel, it provides zero backlash and high torsional stiffness for precision machinery and automation systems
RULAND MANUFACTURING
This clamp-on bellows shaft coupling connects two keyed shafts in motion-control applications, compensating for misalignment while transmitting torque. It features a 20 mm bore diameter 1 and a 10 mm bore diameter 2 with a 3 mm x 6 mm keyway size 1. Constructed from stainless steel, it provides zero backlash and high torsional stiffness for precision machinery and automation systems
This clamp-on bellows shaft coupling accommodates keyed shafts with bore diameters of 20 mm and 15 mm, featuring a 5 mm x 6 mm keyway. Constructed from stainless steel with metric dimensions, it provides zero-backlash torque transmission and compensates for misalignment in motion control systems. The coupling is supplied without a key
RULAND MANUFACTURING
This clamp-on bellows shaft coupling accommodates keyed shafts with bore diameters of 20 mm and 15 mm, featuring a 5 mm x 6 mm keyway. Constructed from stainless steel with metric dimensions, it provides zero-backlash torque transmission and compensates for misalignment in motion control systems. The coupling is supplied without a key
This clamp-on bellows shaft coupling connects two keyed shafts while compensating for misalignment. It features a 20 mm bore diameter 1 and a 15 mm bore diameter 2 with a 5 mm x 6 mm keyway size 1. The stainless steel construction provides high torsional stiffness and zero backlash for motion control applications such as encoders, stepper motors, and servo drives
RULAND MANUFACTURING
This clamp-on bellows shaft coupling connects two keyed shafts while compensating for misalignment. It features a 20 mm bore diameter 1 and a 15 mm bore diameter 2 with a 5 mm x 6 mm keyway size 1. The stainless steel construction provides high torsional stiffness and zero backlash for motion control applications such as encoders, stepper motors, and servo drives

More from RULAND MANUFACTURING

View all RULAND MANUFACTURING parts
This clamp-on bellows shaft coupling connects two keyed shafts with different bore diameters of 1 1/2 in and 1 in. It is constructed from stainless steel and rated for a maximum speed of 10,000 RPM. The coupling compensates for misalignment while providing zero backlash and high torsional stiffness, suitable for precision motion control and industrial machinery
RULAND MANUFACTURING
This clamp-on bellows shaft coupling connects two keyed shafts with different bore diameters of 1 1/2 in and 1 in. It is constructed from stainless steel and rated for a maximum speed of 10,000 RPM. The coupling compensates for misalignment while providing zero backlash and high torsional stiffness, suitable for precision motion control and industrial machinery
This clamp-on bellows shaft coupling connects two rotating shafts while compensating for misalignment. It features a 10 mm bore diameter on both ends and a 3 mm x 3 mm keyway. The stainless steel construction provides high torsional stiffness and zero backlash, suitable for precision motion-control applications such as encoders, stepper motors, and servo drives
RULAND MANUFACTURING
This clamp-on bellows shaft coupling connects two rotating shafts while compensating for misalignment. It features a 10 mm bore diameter on both ends and a 3 mm x 3 mm keyway. The stainless steel construction provides high torsional stiffness and zero backlash, suitable for precision motion-control applications such as encoders, stepper motors, and servo drives
This clamp-on bellows shaft coupling is designed for keyed shafts with 8 mm bores and a 3 mm x 3 mm keyway. It accommodates misalignment while transmitting torque in motion control, servo systems, and encoder applications. Constructed from stainless steel, it provides zero-backlash operation and precise shaft alignment
RULAND MANUFACTURING
This clamp-on bellows shaft coupling is designed for keyed shafts with 8 mm bores and a 3 mm x 3 mm keyway. It accommodates misalignment while transmitting torque in motion control, servo systems, and encoder applications. Constructed from stainless steel, it provides zero-backlash operation and precise shaft alignment
This clamp-on bellows shaft coupling connects a 1/2 inch keyed shaft to a 10 mm keyed shaft, compensating for misalignment while transmitting torque. Constructed from stainless steel, it has a maximum speed of 10,000 RPM and does not include a keyway. Suitable for precision motion control and industrial machinery requiring zero backlash and high torsional stiffness
RULAND MANUFACTURING
This clamp-on bellows shaft coupling connects a 1/2 inch keyed shaft to a 10 mm keyed shaft, compensating for misalignment while transmitting torque. Constructed from stainless steel, it has a maximum speed of 10,000 RPM and does not include a keyway. Suitable for precision motion control and industrial machinery requiring zero backlash and high torsional stiffness
This clamp-on bellows shaft coupling connects two keyed shafts with 1 1/4 in bore diameters, compensating for misalignment in power transmission systems. It features a stainless steel bellows and an aluminum hub, providing zero backlash and high torsional stiffness for motion control applications such as encoders and servo motors
RULAND MANUFACTURING
This clamp-on bellows shaft coupling connects two keyed shafts with 1 1/4 in bore diameters, compensating for misalignment in power transmission systems. It features a stainless steel bellows and an aluminum hub, providing zero backlash and high torsional stiffness for motion control applications such as encoders and servo motors
This clamp-on bellows shaft coupling connects a 1-3/4 in keyed shaft to a 40 mm keyed shaft, transmitting torque while compensating for misalignment. It is suited for precision motion control and industrial machinery requiring zero backlash and high torsional stiffness. The coupling supports a maximum speed of 10,000 RPM
RULAND MANUFACTURING
This clamp-on bellows shaft coupling connects a 1-3/4 in keyed shaft to a 40 mm keyed shaft, transmitting torque while compensating for misalignment. It is suited for precision motion control and industrial machinery requiring zero backlash and high torsional stiffness. The coupling supports a maximum speed of 10,000 RPM
This clamp-on bellows shaft coupling connects a 1 1/2 in keyed shaft to a 25 mm keyed shaft, enabling inch-to-metric bore transitions. It is constructed of stainless steel and rated for a maximum speed of 10,000 RPM. Suitable for precision motion control applications requiring zero backlash and high torsional stiffness
RULAND MANUFACTURING
This clamp-on bellows shaft coupling connects a 1 1/2 in keyed shaft to a 25 mm keyed shaft, enabling inch-to-metric bore transitions. It is constructed of stainless steel and rated for a maximum speed of 10,000 RPM. Suitable for precision motion control applications requiring zero backlash and high torsional stiffness
This clamp-on bellows shaft coupling connects two shafts with keyways, accommodating misalignment while transmitting torque. It features a 1/2 in bore on one side and a 10 mm bore on the other, with a maximum speed of 10,000 RPM. Suitable for motion-control systems requiring zero backlash and high torsional stiffness
RULAND MANUFACTURING
This clamp-on bellows shaft coupling connects two shafts with keyways, accommodating misalignment while transmitting torque. It features a 1/2 in bore on one side and a 10 mm bore on the other, with a maximum speed of 10,000 RPM. Suitable for motion-control systems requiring zero backlash and high torsional stiffness