Your cart is empty
Short Rigid Couplings
Controlflex Couplings
Jaw Couplings
Oldham Couplings
Bearing Locknuts – TCN
Double Wide Shaft Collars
Heavy Duty Shaft Collars
International Series Shaft Collars
Keyed Shaft Collars
Mountable Shaft Collars
Quick Clamping Shaft Collars
Set Screw Shaft Collars
Thin Line Shaft Collars
Threaded Shaft Collars – Pacific International Bearing Products
Two-Piece Shaft Collars
Friction Bearing Universal Joints
Needle Bearing Universal Joints
Beam Couplings
Ruland beam couplings, available through Pacific International Bearing Sales, are precision-engineered for high-performance motion control applications. Featuring a balanced, zero-backlash design with multiple spiral cuts, these couplings offer superior angular misalignment capabilities and reduced vibration at speeds up to 6,000 RPM. Manufactured from a single piece of aluminum or stainless steel, they provide enhanced torsional stiffness and flexibility compared to traditional single-beam designs. Ideal for use in encoders, tachometers, and light-duty power transmission, they come in inch, metric, and mixed bore sizes from 3/32" to 3/4" and 3mm to 20mm.
Filters
Show all itemsBrand
Length (L)
O.D. (D)
Material
Bore (B1)
Bore (B2)
Keyway
B1 Max Shaft Penetration
B2 Max Shaft Penetration
Bore Tolerance
Screw Material
Screw Finish
ISO 9001:2015
REACH
RoHS3
Conflict Minerals
Tariff Code
Product Group
Please enter at least 3 characters
Swipe to view more table
Bore (B1)
Bore (B2)
O.D. (D)
Length (L)
Product
Files
Price
FREQUENTLY ASKED QUESTIONS
What is a beam coupling?
A beam coupling is a flexible shaft coupling machined from a single piece of material with helical (spiral) cuts. These cuts allow the coupling to transmit torque while accommodating misalignment and providing zero-backlash performance for precision motion systems.
When should I use a beam coupling instead of a rigid coupling?
Use a beam coupling when you need to maintain accurate positioning but also need to compensate for angular, parallel, or axial misalignment between shafts. They are preferred over rigid couplings in servo, stepper, and instrumentation drives where small alignment errors and vibration must be absorbed.
What materials are available for these beam couplings?
Ruland beam couplings in this category are manufactured from a single piece of high-grade aluminum or stainless steel. Aluminum offers low inertia and is ideal for high-speed, light-duty applications, while stainless steel provides higher torque capacity and corrosion resistance.
How much misalignment can a beam coupling handle?
Multi-beam designs with multiple spiral cuts provide superior angular and axial misalignment capability compared to traditional single-beam couplings. Exact ratings vary by part number, but all are engineered to reduce bearing loads and vibration in precision motion systems.
What bore sizes and configurations are offered?
Beam couplings are available in inch, metric, and mixed bore combinations with sizes from 3/32″ to 3/4″ and 3 mm to 20 mm. Mixed bores make it easy to connect shafts of different diameters, such as pairing a metric motor shaft with an inch-based driven component.
What types of applications are beam couplings suited for?
These couplings are ideal for encoders, tachometers, lead screws, and other light-duty power transmission or positioning applications operating at speeds up to approximately 6,000 RPM, where smooth rotation and accurate feedback are critical.
Product Added to Cart and Back Orders
Product Added to Back Orders
15 items added to cart, can be ordered and shipped today.
Within 24 hours, our sales team will contact you about the 10 Back Ordered products.
Feel free to contact us for more info - 1-800-228-8895
PIB Sales will contact you within 24 hours regarding your 25 Back Ordered items