RULAND MANUFACTURINGAluminum Balanced Shaft Collars

RULAND MANUFACTURING Balanced Shaft Collar: 2-Piece, Inch, Round, Clamp-On

The RULAND MANUFACTURING Balanced Shaft Collar is a 2-piece, inch, round, clamp-on aluminum shaft collar with a 2 15/16 in bore diameter (MPN SPB-47-A). It is designed for secure shaft mounting in industrial…

SKU 3G-OTH-133710

Also listed as: SPB47A · SPB 47 A

Brand

RULAND MANUFACTURING

Item

Balanced Shaft Collar: 2-Piece, Inch, Round, Clamp-On

Local availability & support

Delivery: Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

RULAND MANUFACTURING

Manufacturer Part Number

SPB-47-A 

Type

Inch, Round, Clamp-On 

Bore Dia

2 15/16 in 

Technical Documents

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RULAND MANUFACTURING Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

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 in high-speed rotating applications. It provides precise positioning and clamping force without marring the shaft, making it ideal for CNC machinery, robotics, and precision industrial equipment where balance and minimal vibration are critical.

What are the specifications of the RULAND MANUFACTURING SPB-47-A Balanced Shaft Collar?

The RULAND MANUFACTURING SPB-47-A is a 2-piece, inch, round, clamp-on balanced shaft collar with a bore diameter of 2 15/16 inches. It is made of aluminum and designed for high-speed applications. The manufacturer part number is SPB-47-A, and it is produced by RULAND MANUFACTURING.

Where to buy RULAND MANUFACTURING Balanced Shaft Collars worldwide?

You can source RULAND MANUFACTURING Balanced Shaft Collars worldwide through 3G Electric. As a global industrial equipment distributor since 1990, 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact 3G Electric for availability and lead time on the SPB-47-A model.

How to install a RULAND MANUFACTURING 2-piece clamp-on shaft collar?

To install a RULAND MANUFACTURING 2-piece clamp-on shaft collar, first clean the shaft surface. Place the two halves around the shaft, align the bore, then tighten the screws evenly in a cross pattern to the manufacturer's recommended torque. This ensures secure clamping without distorting the collar or damaging the shaft.

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.

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