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

MASTERDRIVE Coupling Sleeve: 12 Coupling Size, 2,800 RPM Max Speed, 31,500 in-lb Rated Torque - Two-Piece Sleeve Coupling Inserts
MASTERDRIVETwo-Piece Sleeve Coupling Inserts

MASTERDRIVE Coupling Sleeve: 12 Coupling Size, 2,800 RPM Max Speed, 31,500 in-lb Rated Torque

The MASTERDRIVE Coupling Sleeve: 12 Coupling Size is a two-piece sleeve coupling insert rated for 50 hp, 31,500 in-lb torque, and 2,800 RPM max speed. This inch-sized component (MPN 12HS) is designed for industrial…

SKU 3G-OTH-187717

Also listed as: 12 HS · 12-HS

Brand
MASTERDRIVE
Item
Coupling Sleeve: 12 Coupling Size, 2,800 RPM Max Speed, 31,500 in-lb Rated Torque
Category
Two-Piece Sleeve Coupling Inserts
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

MASTERDRIVE
Manufacturer Part Number
12HS
Type
31,500 in-lb Rated Torque, 50 hp
Max Speed
2,800 RPM

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

MASTERDRIVE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MASTERDRIVE Coupling Sleeve: 12 Coupling Size is a two-piece sleeve coupling insert rated for 50 hp, 31,500 in-lb torque, and 2,800 RPM max speed. This inch-sized component (MPN 12HS) is designed for industrial power transmission applications.

Frequently Asked Questions

What is the MASTERDRIVE Coupling Sleeve 12HS used for?

The MASTERDRIVE Coupling Sleeve 12HS is a two-piece sleeve coupling insert used in industrial power transmission systems to connect rotating shafts. It handles up to 50 hp, 31,500 in-lb torque, and 2,800 RPM, making it suitable for pumps, conveyors, and heavy machinery.

What are the specifications of the MASTERDRIVE Coupling Sleeve 12HS?

The MASTERDRIVE Coupling Sleeve 12HS (MPN 12HS) is a two-piece, inch-sized coupling insert rated for 50 hp, 31,500 in-lb rated torque, and 2,800 RPM max speed. It is designed for coupling size 12 and is manufactured by MASTERDRIVE for industrial power transmission.

Where to buy the MASTERDRIVE Coupling Sleeve 12HS worldwide?

3G Electric supplies the MASTERDRIVE Coupling Sleeve 12HS worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to select the correct MASTERDRIVE coupling sleeve size?

To select the correct MASTERDRIVE coupling sleeve, match the coupling size (e.g., 12) to your shaft dimensions and application requirements. Verify the rated torque (31,500 in-lb), max speed (2,800 RPM), and horsepower (50 hp) meet your system demands. Consult MASTERDRIVE documentation for fitment.

Used in

Common applications for MASTERDRIVE
Pump drives — MASTERDRIVE finished bore close-coupled flanges (e.g., size 8, cast iron) for direct motor-to-pump shaft connections
Conveyor systems — MASTERDRIVE jaw coupling spiders (e.g., L099/100U) for light-duty power transmission between motor and gearbox
Compressor applications — MASTERDRIVE two-piece sleeve coupling inserts (e.g., 9N) for high-torque, moderate-speed compressor drives
Industrial fans — MASTERDRIVE QD bushed flanges (e.g., size 6, JA bushing) for quick installation on fan shafts
Mixer and agitator drives — MASTERDRIVE metric bore flanges (e.g., size 11, 52mm) for European-standard shaft connections
General power transmission — MASTERDRIVE coupling flanges in sizes 5-11 for connecting rotating equipment with parallel shafts

MASTERDRIVE Products

3G Electric supplies MASTERDRIVE two-piece sleeve coupling inserts. 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
MASTERDRIVE Coupling Sleeve: 14 Coupling Size, 2,200 RPM Max Speed, 72,480 in-lb Rated Torque, Inch (MPN 14HS)
MASTERDRIVE
MASTERDRIVE Coupling Sleeve: 14 Coupling Size, 2,200 RPM Max Speed, 72,480 in-lb Rated Torque, Inch (MPN 14HS)
MASTERDRIVE Coupling Sleeve: 13 Coupling Size, 2,400 RPM Max Speed, 47,268 in-lb Rated Torque, 75 hp (MPN 13HS)
MASTERDRIVE
MASTERDRIVE Coupling Sleeve: 13 Coupling Size, 2,400 RPM Max Speed, 47,268 in-lb Rated Torque, 75 hp (MPN 13HS)
MASTERDRIVE Coupling Sleeve: 10 Coupling Size, 3,600 RPM Max Speed, 11,350 in-lb Rated Torque, 18 hp (MPN 10HS)
MASTERDRIVE
MASTERDRIVE Coupling Sleeve: 10 Coupling Size, 3,600 RPM Max Speed, 11,350 in-lb Rated Torque, 18 hp (MPN 10HS)
MASTERDRIVE Coupling Sleeve: 14 Coupling Size, 2,200 RPM Max Speed, 23,400 in-lb Rated Torque, 37 hp (MPN 14N)
MASTERDRIVE
MASTERDRIVE Coupling Sleeve: 14 Coupling Size, 2,200 RPM Max Speed, 23,400 in-lb Rated Torque, 37 hp (MPN 14N)
MASTERDRIVE Coupling Sleeve: 13 Coupling Size, 2,400 RPM Max Speed, 14,750 in-lb Rated Torque, 23 hp (MPN 13N)
MASTERDRIVE
MASTERDRIVE Coupling Sleeve: 13 Coupling Size, 2,400 RPM Max Speed, 14,750 in-lb Rated Torque, 23 hp (MPN 13N)
MASTERDRIVE Coupling Sleeve: 13 Coupling Size, 2,400 RPM Max Speed, 14,750 in-lb Rated Torque, 23 hp (MPN 13E)
MASTERDRIVE
MASTERDRIVE Coupling Sleeve: 13 Coupling Size, 2,400 RPM Max Speed, 14,750 in-lb Rated Torque, 23 hp (MPN 13E)

More from MASTERDRIVE

View all MASTERDRIVE parts
MASTERDRIVE Coupling Sleeve: 12 Coupling Size, 2,800 RPM Max Speed, 9,360 in-lb Rated Torque, 15 hp (MPN 12N)
MASTERDRIVE
MASTERDRIVE Coupling Sleeve: 12 Coupling Size, 2,800 RPM Max Speed, 9,360 in-lb Rated Torque, 15 hp (MPN 12N)
MASTERDRIVE Coupling Sleeve: 8 Coupling Size, 4,500 RPM Max Speed, 1,135 in-lb Rated Torque, 2-Piece (MPN 8E)
MASTERDRIVE
MASTERDRIVE Coupling Sleeve: 8 Coupling Size, 4,500 RPM Max Speed, 1,135 in-lb Rated Torque, 2-Piece (MPN 8E)
MASTERDRIVE Coupling Sleeve: 7 Coupling Size, 5,250 RPM Max Speed, 725 in-lb Rated Torque, Two Piece (MPN 7N)
MASTERDRIVE
MASTERDRIVE Coupling Sleeve: 7 Coupling Size, 5,250 RPM Max Speed, 725 in-lb Rated Torque, Two Piece (MPN 7N)
MASTERDRIVE Coupling Sleeve: 10 Coupling Size, 3,600 RPM Max Speed, 2,875 in-lb Rated Torque, 5.9 hp (MPN 10E)
MASTERDRIVE
MASTERDRIVE Coupling Sleeve: 10 Coupling Size, 3,600 RPM Max Speed, 2,875 in-lb Rated Torque, 5.9 hp (MPN 10E)
MASTERDRIVE Coupling Sleeve: 12 Coupling Size, 2,800 RPM Max Speed, 9,360 in-lb Rated Torque, 15 hp (MPN 12E)
MASTERDRIVE
MASTERDRIVE Coupling Sleeve: 12 Coupling Size, 2,800 RPM Max Speed, 9,360 in-lb Rated Torque, 15 hp (MPN 12E)
MASTERDRIVE Coupling Sleeve: 9 Coupling Size, 3,750 RPM Max Speed, 7,200 in-lb Rated Torque, 2-Piece (MPN 9HS)
MASTERDRIVE
MASTERDRIVE Coupling Sleeve: 9 Coupling Size, 3,750 RPM Max Speed, 7,200 in-lb Rated Torque, 2-Piece (MPN 9HS)
MASTERDRIVE Coupling Sleeve: 5 Coupling Size, 7,600 RPM Max Speed, 240 in-lb Rated Torque, Two Piece (MPN 5N)
MASTERDRIVE
MASTERDRIVE Coupling Sleeve: 5 Coupling Size, 7,600 RPM Max Speed, 240 in-lb Rated Torque, Two Piece (MPN 5N)
MASTERDRIVE Coupling Sleeve: 5 Coupling Size, 7,600 RPM Max Speed, 240 in-lb Rated Torque, Two Piece (MPN 5E)
MASTERDRIVE
MASTERDRIVE Coupling Sleeve: 5 Coupling Size, 7,600 RPM Max Speed, 240 in-lb Rated Torque, Two Piece (MPN 5E)