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RULAND MANUFACTURING Bellows Coupling: 1 in Bore Dia 1, 25 mm Bore Dia 2 - Clamp-On Bellows Shaft Couplings for Keyed Shafts
RULAND MANUFACTURINGClamp-On Bellows Shaft Couplings for Keyed Shafts

RULAND MANUFACTURING Bellows Coupling: 1 in Bore Dia 1, 25 mm Bore Dia 2

The RULAND MANUFACTURING BCK44-1"-25MM-A is a clamp-on bellows shaft coupling for keyed shafts, featuring a 1-inch bore diameter on one side and a 25 mm bore diameter on the other for inch-to-metric bore transitions…

SKU 3G-OTH-134990

Also listed as: BCK44125MMA · BCK44 1 25MM A · BCK44-1-25MM-A

Brand
RULAND MANUFACTURING
Item
Bellows Coupling: 1 in Bore Dia 1, 25 mm Bore Dia 2
Category
Clamp-On Bellows Shaft Couplings for Keyed Shafts
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Technical Specifications

RULAND MANUFACTURING
Manufacturer Part Number
BCK44-1"-25MM-A
Type
25 mm Bore Dia 2
Max Speed
10,000 RPM

Technical Documents

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

Product Description

The RULAND MANUFACTURING BCK44-1"-25MM-A is a clamp-on bellows shaft coupling for keyed shafts, featuring a 1-inch bore diameter on one side and a 25 mm bore diameter on the other for inch-to-metric bore transitions. It is made of stainless steel, supports different bore dimensions, and has a maximum speed of 10,000 RPM.

Frequently Asked Questions

What is the RULAND MANUFACTURING BCK44-1"-25MM-A bellows coupling used for?

The RULAND MANUFACTURING BCK44-1"-25MM-A is a clamp-on bellows shaft coupling designed for keyed shafts. It is used to connect two shafts with different bore dimensions—1 inch and 25 mm—making it ideal for inch-to-metric bore transitions in motion control, automation, and precision machinery applications.

What are the specifications of the RULAND MANUFACTURING BCK44-1"-25MM-A?

The RULAND MANUFACTURING BCK44-1"-25MM-A is a stainless steel bellows coupling with a 1-inch bore diameter on one side and a 25 mm bore diameter on the other. It supports different bore dimensions, is clamp-on style for keyed shafts, and has a maximum speed of 10,000 RPM.

Where to buy the RULAND MANUFACTURING BCK44-1"-25MM-A worldwide?

You can source the RULAND MANUFACTURING BCK44-1"-25MM-A 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 precision coupling.

How to select the correct RULAND MANUFACTURING bellows coupling for keyed shafts?

To select the correct RULAND MANUFACTURING bellows coupling, match the bore diameters to your shaft sizes—this model accommodates 1 inch and 25 mm. Ensure the coupling is clamp-on style for keyed shafts and verify the maximum speed rating of 10,000 RPM meets your application requirements.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
RULAND MANUFACTURING Bellows Coupling: 1 1/4 in Bore Dia 1, 25 mm Bore Dia 2, 10,000 RPM Max Speed (MPN BCK44-1-1/4"-25MM-A)
RULAND MANUFACTURING
RULAND MANUFACTURING Bellows Coupling: 1 1/4 in Bore Dia 1, 25 mm Bore Dia 2, 10,000 RPM Max Speed (MPN BCK44-1-1/4"-25MM-A)
RULAND MANUFACTURING Bellows Coupling: 1 in Bore Dia 1, 25 mm Bore Dia 2, 10,000 RPM Max Speed (MPN BCK50-1"-25MM-A)
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RULAND MANUFACTURING Bellows Coupling: 1 in Bore Dia 1, 25 mm Bore Dia 2, 10,000 RPM Max Speed (MPN BCK50-1"-25MM-A)
RULAND MANUFACTURING Bellows Coupling: 1 1/2 in Bore Dia 1, 25 mm Bore Dia 2, 10,000 RPM Max Speed (MPN BCK44-1-1/2"-25MM-A)
RULAND MANUFACTURING
RULAND MANUFACTURING Bellows Coupling: 1 1/2 in Bore Dia 1, 25 mm Bore Dia 2, 10,000 RPM Max Speed (MPN BCK44-1-1/2"-25MM-A)
RULAND MANUFACTURING Bellows Coupling: 1 1/4 in Bore Dia 1, 25 mm Bore Dia 2, 10,000 RPM Max Speed (MPN BCK50-1-1/4"-25MM-A)
RULAND MANUFACTURING
RULAND MANUFACTURING Bellows Coupling: 1 1/4 in Bore Dia 1, 25 mm Bore Dia 2, 10,000 RPM Max Speed (MPN BCK50-1-1/4"-25MM-A)
RULAND MANUFACTURING Bellows Coupling: 35 mm Bore Dia 1, 1 1/4 in Bore Dia 2, 10,000 RPM Max Speed (MPN BCK50-35MM-1-1/4"-A)
RULAND MANUFACTURING
RULAND MANUFACTURING Bellows Coupling: 35 mm Bore Dia 1, 1 1/4 in Bore Dia 2, 10,000 RPM Max Speed (MPN BCK50-35MM-1-1/4"-A)
This clamp-on bellows shaft coupling connects two keyed shafts with different bore sizes: 35 mm and 1-1/4 in. It accommodates inch to metric bores and operates at speeds up to 10,000 RPM. The stainless steel construction provides corrosion resistance in motion control applications such as precision machinery and servo systems
RULAND MANUFACTURING
This clamp-on bellows shaft coupling connects two keyed shafts with different bore sizes: 35 mm and 1-1/4 in. It accommodates inch to metric bores and operates at speeds up to 10,000 RPM. The stainless steel construction provides corrosion resistance in motion control applications such as precision machinery and servo systems

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