Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

3G Electric
RULAND MANUFACTURING MSPB-21-A Aluminum Balanced Shaft Collar - Aluminum Balanced Shaft Collars
RULAND MANUFACTURINGAluminum Balanced Shaft Collars

RULAND MANUFACTURING MSPB-21-A Aluminum Balanced Shaft Collar

The RULAND MANUFACTURING Balanced Shaft Collar is a 2-piece, metric, round, clamp-on aluminum shaft collar with a 21 mm bore diameter, made from 2024 material (MPN MSPB-21-A). 3G Electric interprets customer demand…

SKU 3G-OTH-133747

Also listed as: MSPB21A · MSPB 21 A

Brand
RULAND MANUFACTURING
Item
MSPB-21-A Aluminum Balanced Shaft Collar
Part Number
MSPB-21-A
Category
Aluminum Balanced Shaft Collars
Available to Order
Also known as:MSPB-21-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.
EXW Singapore
Collect or forward from our office
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
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

RULAND MANUFACTURING
Manufacturer Part Number
MSPB-21-A
Type
Metric, Round, Clamp-On, 2024
Bore Dia
21 mm

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, metric, round, clamp-on aluminum shaft collar with a 21 mm bore diameter, made from 2024 material (MPN MSPB-21-A). 3G Electric interprets customer demand and delivers this genuine industrial component across 14 departments — and far more — with specialist depth in combustion, pumps, and controls as a trust anchor.

Frequently Asked Questions

What is a Ruland Manufacturing balanced shaft collar used for?

A Ruland Manufacturing balanced shaft collar, like the MSPB-21-A, is used to secure components on a shaft in high-speed rotating applications. Its 2-piece clamp-on design provides precise positioning without marring the shaft, and the 2024 aluminum construction minimizes vibration in machinery.

What are the specifications of the Ruland MSPB-21-A shaft collar?

The Ruland MSPB-21-A is a metric, round, 2-piece clamp-on balanced shaft collar with a 21 mm bore diameter. It is made from 2024 aluminum, offering a lightweight yet strong solution for dynamic balancing. The part number is MSPB-21-A, and it is designed for precision shaft mounting.

Where to buy Ruland Manufacturing shaft collars worldwide?

3G Electric supplies Ruland Manufacturing shaft collars like the MSPB-21-A to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this balanced shaft collar for your industrial application.

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

To install a 2-piece clamp-on shaft collar like the Ruland MSPB-21-A, first clean the shaft and collar bore. Place the collar halves around the shaft, align them, then tighten the screws evenly to the manufacturer's torque specification. This ensures secure clamping without damaging the shaft surface.

Used in

Common applications for RULAND MANUFACTURING
Automation and robotics — Ruland PCMR22-8-6-A beam couplings for precise motion control with misalignment compensation.
Packaging machinery — Ruland JC12-4-A jaw coupling hubs for zero-backlash torque transmission in indexing systems.
CNC spindles — Ruland SPB-16-SS balanced shaft collars for high-speed rotating assemblies.
Medical equipment — Ruland MRSC25-10-5-A slit couplings for compact, precise shaft connections.
Conveyor systems — Ruland MCL-25-FZ steel shaft collars for secure positioning of components.
Servo motor applications — Ruland BCK50-24-16-A bellows couplings for high-speed, zero-backlash connections.
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