RULAND MANUFACTURING Motion Control Coupling: 3/8 in Bore Dia 1, 5/16 in Bore Dia 2, Aluminum
The RULAND MANUFACTURING BC21-6-5-A is a clamp-on bellows shaft coupling for round shafts, featuring a 3/8 in bore diameter 1 and a 5/16 in bore diameter 2. It is constructed with stainless steel bellows and an…
SKU 3G-OTH-135581
Need installation or engineering help?
Ask a question
Product Description
The RULAND MANUFACTURING BC21-6-5-A is a clamp-on bellows shaft coupling for round shafts, featuring a 3/8 in bore diameter 1 and a 5/16 in bore diameter 2. It is constructed with stainless steel bellows and an aluminum hub, designed for inch-dimension shafts. This motion control coupling accommodates different bore dimensions and is suitable for precision positioning applications.
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 BC21-6-5-A coupling used for?
The RULAND MANUFACTURING BC21-6-5-A is a clamp-on bellows shaft coupling designed for precision positioning applications. It connects two round shafts with different bore diameters (3/8 in and 5/16 in) in motion control systems, such as CNC machinery, robotics, and encoders, where zero backlash and high torsional stiffness are required.
What are the specifications of the RULAND MANUFACTURING BC21-6-5-A?
The BC21-6-5-A has a 3/8 in bore diameter 1 and a 5/16 in bore diameter 2, with a stainless steel bellows and aluminum hub. It is an inch-dimension coupling from RULAND MANUFACTURING, part number BC21-6-5-A, designed for different bore dimensions and clamp-on mounting on round shafts.
Where to buy the RULAND MANUFACTURING BC21-6-5-A worldwide?
You can source the RULAND MANUFACTURING BC21-6-5-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 provide competitive sourcing for this motion control coupling.
How to install a clamp-on bellows coupling like the BC21-6-5-A?
To install the RULAND MANUFACTURING BC21-6-5-A, ensure shaft ends are clean and free of burrs. Loosen the clamp screws, slide the coupling onto both shafts, align the equipment, then tighten the screws evenly to the manufacturer's recommended torque. Avoid over-tightening to prevent bellows damage. Always verify shaft alignment after installation.
Used in
Common applications for RULAND MANUFACTURINGRULAND 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.
