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

3G Electric
MASTERDRIVE 11S-2-5/8 Cast Iron Finished Bore Close-Coupled Flange - Finished Bore Close-Coupled Flanges
MASTERDRIVEFinished Bore Close-Coupled Flanges

MASTERDRIVE 11S-2-5/8 Cast Iron Finished Bore Close-Coupled Flange

The MASTERDRIVE Coupling Flange: 11 Coupling Size is a Finished Bore Close-Coupled Flange designed for industrial power transmission. This cast iron flange features a round keyed bore, an outside diameter of 8 5/8…

SKU 3G-OTH-134749

Also listed as: 11S258 · 11S 2 5 8 · 11S-2-5-8

Brand
MASTERDRIVE
Item
11S-2-5/8 Cast Iron Finished Bore Close-Coupled Flange
Part Number
11S-2-5/8
Category
Finished Bore Close-Coupled Flanges
Available to Order
Also known as:11S-2-5/8MASTERDRIVE
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
11S-2-5/8
Type
Cast Iron
Max Speed
3,600 RPM
Outside Dia
8 5/8 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

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

Product Description

The MASTERDRIVE Coupling Flange: 11 Coupling Size is a Finished Bore Close-Coupled Flange designed for industrial power transmission. This cast iron flange features a round keyed bore, an outside diameter of 8 5/8 inches, and a maximum speed rating of 3,600 RPM. It is manufactured in inch dimensions under part number 11S-2-5/8.

Frequently Asked Questions

What is a MASTERDRIVE coupling flange used for?

A MASTERDRIVE coupling flange connects rotating shafts in industrial power transmission systems. This finished bore close-coupled flange, size 11, transmits torque reliably in pumps, conveyors, and gearboxes. 3G Electric supplies this cast iron flange with a round keyed bore and 8 5/8 in outside diameter for demanding applications.

What are the specifications of the MASTERDRIVE 11S-2-5/8 coupling flange?

The MASTERDRIVE 11S-2-5/8 coupling flange is a cast iron finished bore close-coupled flange with a round keyed bore. It has an outside diameter of 8 5/8 in, a maximum speed of 3,600 RPM, and is manufactured in inch dimensions. It is designed for coupling size 11.

Where to buy MASTERDRIVE coupling flanges worldwide?

3G Electric supplies MASTERDRIVE coupling flanges worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to source the MASTERDRIVE 11S-2-5/8 or other sizes. We deliver to any country.

How to select the right MASTERDRIVE coupling flange size?

Select a MASTERDRIVE coupling flange by matching the coupling size, bore type, and shaft dimensions. For the 11S-2-5/8, verify your shaft diameter fits the round keyed bore and that the 8 5/8 in outside diameter and 3,600 RPM max speed meet your application. Consult a power transmission specialist for proper fit.

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

MASTERDRIVE Products

3G Electric supplies MASTERDRIVE finished bore close-coupled flanges. 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 MASTERDRIVE

View all MASTERDRIVE parts
This finished bore close-coupled flange is used to connect a motor shaft to a driven component in power transmission systems. It features a round keyed metric bore and is constructed from cast iron. With a maximum speed of 3,750 RPM and an outside diameter of 6 11/32 inches, it is suitable for applications requiring a compact, rigid connection
MASTERDRIVE
This finished bore close-coupled flange is used to connect a motor shaft to a driven component in power transmission systems. It features a round keyed metric bore and is constructed from cast iron. With a maximum speed of 3,750 RPM and an outside diameter of 6 11/32 inches, it is suitable for applications requiring a compact, rigid connection
Cast iron finished bore close-coupled flange with a round keyed bore. Outside diameter 5 29/64 inches, maximum speed 4,500 RPM. Used in power transmission systems to connect rotating shafts in pumps, compressors, and conveyors
MASTERDRIVE
Cast iron finished bore close-coupled flange with a round keyed bore. Outside diameter 5 29/64 inches, maximum speed 4,500 RPM. Used in power transmission systems to connect rotating shafts in pumps, compressors, and conveyors

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first