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

3G Electric
RULAND MANUFACTURING SPB-31-A Aluminum Balanced Shaft Collar - Aluminum Balanced Shaft Collars
RULAND MANUFACTURINGAluminum Balanced Shaft Collars

RULAND MANUFACTURING SPB-31-A Aluminum Balanced Shaft Collar

The RULAND MANUFACTURING Balanced Shaft Collar is a 2-piece, inch, round, clamp-on aluminum shaft collar with a 1 15/16 in bore diameter (MPN SPB-31-A). 3G Electric interprets your demand for this OEM part, sources…

SKU 3G-OTH-133759

Also listed as: SPB31A · SPB 31 A

Brand
RULAND MANUFACTURING
Item
SPB-31-A Aluminum Balanced Shaft Collar
Part Number
SPB-31-A
Category
Aluminum Balanced Shaft Collars
Available to Order
Also known as:SPB-31-ARULAND MANUFACTURING
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
SPB-31-A
Type
Inch, Round, Clamp-On
Bore Dia
1 15/16 in

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 Balanced Shaft Collar is a 2-piece, inch, round, clamp-on aluminum shaft collar with a 1 15/16 in bore diameter (MPN SPB-31-A). 3G Electric interprets your demand for this OEM part, sources it across 14 industrial departments, and supports your application with specialist depth in controls and power transmission.

Frequently Asked Questions

What is a RULAND MANUFACTURING Balanced Shaft Collar used for?

A RULAND MANUFACTURING Balanced Shaft Collar is used to secure components on a shaft, prevent axial movement, and reduce vibration in high-speed rotating applications. It is commonly used in industrial machinery, conveyors, and precision equipment where balance and concentricity are critical.

What are the specifications of the RULAND MANUFACTURING Balanced Shaft Collar SPB-31-A?

The RULAND MANUFACTURING Balanced Shaft Collar SPB-31-A is a 2-piece, inch, round, clamp-on collar with a bore diameter of 1 15/16 inches. It is made of aluminum and is designed for balanced, high-speed operation. The manufacturer part number is SPB-31-A.

Where to buy RULAND MANUFACTURING Balanced Shaft Collar SPB-31-A worldwide?

You can source the RULAND MANUFACTURING Balanced Shaft Collar SPB-31-A through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive the correct part for your application.

How to install a RULAND MANUFACTURING Balanced Shaft Collar?

To install a RULAND MANUFACTURING Balanced Shaft Collar, clean the shaft surface, slide the collar into position, and tighten the clamp screws evenly using a torque wrench to the manufacturer's recommended specification. Ensure the collar is perpendicular to the shaft to maintain balance and prevent misalignment.

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.
Not sure this is the right part? Photo-identify it

RULAND MANUFACTURING Products

3G Electric supplies RULAND MANUFACTURING aluminum balanced shaft collars. 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

More from RULAND MANUFACTURING

View all RULAND MANUFACTURING parts

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first