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

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
Category
Aluminum Balanced Shaft Collars
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
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.

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

Compatible alternatives & equivalents

Cross-referenced by specification & description
This 2-piece, round, clamp-on shaft collar is made from 2024 aluminum and has a 1 5/8 in bore diameter. It is designed for balanced shaft applications requiring precise positioning and secure clamping in high-speed rotating equipment
RULAND MANUFACTURING
This 2-piece, round, clamp-on shaft collar is made from 2024 aluminum and has a 1 5/8 in bore diameter. It is designed for balanced shaft applications requiring precise positioning and secure clamping in high-speed rotating equipment
This balanced shaft collar from RULAND MANUFACTURING is a 2-piece, inch, round, clamp-on design with a 2 in bore diameter. Made of aluminum, it is intended for use in high-speed rotating applications where balance is critical, such as securing components on shafts in industrial machinery
RULAND MANUFACTURING
This balanced shaft collar from RULAND MANUFACTURING is a 2-piece, inch, round, clamp-on design with a 2 in bore diameter. Made of aluminum, it is intended for use in high-speed rotating applications where balance is critical, such as securing components on shafts in industrial machinery
This 2-piece, round, clamp-on shaft collar is made from 2024 aluminum and has a 1-3/4 in bore diameter. It is designed for high-speed applications where balancing is critical, such as in spindles and precision machinery. The clamp-on design allows secure positioning without marring the shaft
RULAND MANUFACTURING
This 2-piece, round, clamp-on shaft collar is made from 2024 aluminum and has a 1-3/4 in bore diameter. It is designed for high-speed applications where balancing is critical, such as in spindles and precision machinery. The clamp-on design allows secure positioning without marring the shaft
This balanced shaft collar is a two-piece, round, clamp-on type made from 2024 aluminum with a 2 1/16 inch bore diameter. It is designed to secure components on a shaft, prevent axial movement, and reduce vibration in high-speed rotating equipment. Typical applications include industrial machinery, conveyors, and precision drives where balance and concentricity are critical
RULAND MANUFACTURING
This balanced shaft collar is a two-piece, round, clamp-on type made from 2024 aluminum with a 2 1/16 inch bore diameter. It is designed to secure components on a shaft, prevent axial movement, and reduce vibration in high-speed rotating equipment. Typical applications include industrial machinery, conveyors, and precision drives where balance and concentricity are critical
This balanced shaft collar is a two-piece, round, clamp-on design made from 2024 aluminum. It has a 1-7/8 inch bore diameter and is intended for use in high-speed rotating applications where precise axial positioning and reduced vibration are required
RULAND MANUFACTURING
This balanced shaft collar is a two-piece, round, clamp-on design made from 2024 aluminum. It has a 1-7/8 inch bore diameter and is intended for use in high-speed rotating applications where precise axial positioning and reduced vibration are required
This aluminum balanced shaft collar is a two-piece, round, clamp-on design with a 2 11/16 inch bore diameter. It is used to secure components on a shaft in high-speed rotating applications, providing precise positioning and clamping force to prevent axial movement. Suitable for industrial machinery, conveyors, and automation equipment where balance and vibration control are required
RULAND MANUFACTURING
This aluminum balanced shaft collar is a two-piece, round, clamp-on design with a 2 11/16 inch bore diameter. It is used to secure components on a shaft in high-speed rotating applications, providing precise positioning and clamping force to prevent axial movement. Suitable for industrial machinery, conveyors, and automation equipment where balance and vibration control are required

More from RULAND MANUFACTURING

View all RULAND MANUFACTURING parts
Metric, round, clamp-on balanced shaft collar with 48 mm bore diameter. Made from 2024 aluminum for lightweight strength. Two-piece design prevents shaft marring. Used in high-speed rotating applications such as spindles and motion control systems
RULAND MANUFACTURING
Metric, round, clamp-on balanced shaft collar with 48 mm bore diameter. Made from 2024 aluminum for lightweight strength. Two-piece design prevents shaft marring. Used in high-speed rotating applications such as spindles and motion control systems
This inch-series balanced shaft collar features a 2-piece clamp-on design for secure positioning on shafts without marring. Made from 2024 aluminum, it provides lightweight, corrosion-resistant performance in high-speed applications such as conveyors and automation systems
RULAND MANUFACTURING
This inch-series balanced shaft collar features a 2-piece clamp-on design for secure positioning on shafts without marring. Made from 2024 aluminum, it provides lightweight, corrosion-resistant performance in high-speed applications such as conveyors and automation systems
This aluminum balanced shaft collar from RULAND MANUFACTURING is a 2-piece, inch, round, clamp-on type with a 1 11/16 in bore diameter. Designed for high-speed rotating applications, its balanced construction minimizes vibration while the clamp-on design secures components without marring the shaft
RULAND MANUFACTURING
This aluminum balanced shaft collar from RULAND MANUFACTURING is a 2-piece, inch, round, clamp-on type with a 1 11/16 in bore diameter. Designed for high-speed rotating applications, its balanced construction minimizes vibration while the clamp-on design secures components without marring the shaft
This 2-piece round clamp-on shaft collar is made from 2024 aluminum with a 1/4 in bore diameter. It is designed for applications requiring balanced clamping and secure positioning on shafts, such as in spindles and conveyors where minimal runout and vibration control are needed
RULAND MANUFACTURING
This 2-piece round clamp-on shaft collar is made from 2024 aluminum with a 1/4 in bore diameter. It is designed for applications requiring balanced clamping and secure positioning on shafts, such as in spindles and conveyors where minimal runout and vibration control are needed
This 2-piece, round, clamp-on shaft collar is made from 2024 aluminum for reduced weight and balanced operation. The 1-1/8 inch bore diameter fits standard inch shafts. It is used in power transmission applications to secure components such as pulleys, gears, and sprockets on a shaft without marring the surface
RULAND MANUFACTURING
This 2-piece, round, clamp-on shaft collar is made from 2024 aluminum for reduced weight and balanced operation. The 1-1/8 inch bore diameter fits standard inch shafts. It is used in power transmission applications to secure components such as pulleys, gears, and sprockets on a shaft without marring the surface
Metric round clamp-on shaft collar with 4 mm bore diameter, made from 2024 aluminum. Two-piece design allows secure clamping without shaft marring. Suitable for balanced shaft applications such as spindles and conveyors where precise positioning and balance are required
RULAND MANUFACTURING
Metric round clamp-on shaft collar with 4 mm bore diameter, made from 2024 aluminum. Two-piece design allows secure clamping without shaft marring. Suitable for balanced shaft applications such as spindles and conveyors where precise positioning and balance are required
This 2-piece round clamp-on shaft collar is made from 2024 aluminum and has a 2 1/8 in bore diameter. It is designed for high-speed applications where balancing and vibration control are required, such as in spindles and precision rotating assemblies. The clamp-on design allows easy positioning and removal without marring the shaft
RULAND MANUFACTURING
This 2-piece round clamp-on shaft collar is made from 2024 aluminum and has a 2 1/8 in bore diameter. It is designed for high-speed applications where balancing and vibration control are required, such as in spindles and precision rotating assemblies. The clamp-on design allows easy positioning and removal without marring the shaft
This 2-piece, round, clamp-on shaft collar is made from 2024 aluminum. It has a 1/2 in bore diameter and is designed for inch shafts. The balanced design reduces vibration in rotating applications such as conveyors and motion control systems
RULAND MANUFACTURING
This 2-piece, round, clamp-on shaft collar is made from 2024 aluminum. It has a 1/2 in bore diameter and is designed for inch shafts. The balanced design reduces vibration in rotating applications such as conveyors and motion control systems