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 9S-48MM Finished Bore Close-Coupled Flange - Finished Bore Close-Coupled Flanges
MASTERDRIVEFinished Bore Close-Coupled Flanges

MASTERDRIVE 9S-48MM Finished Bore Close-Coupled Flange

The MASTERDRIVE Coupling Flange: 9 Coupling Size is a finished bore close-coupled flange designed for industrial power transmission. This metric, round keyed flange has a 48 mm bore, a maximum speed of 3,750 RPM, and…

SKU 3G-OTH-134574

Also listed as: 9S48MM · 9S 48MM

Brand
MASTERDRIVE
Item
9S-48MM Finished Bore Close-Coupled Flange
Part Number
9S-48MM
Category
Finished Bore Close-Coupled Flanges
Available to Order
Also known as:9S-48MMMASTERDRIVE
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
9S-48MM
Type
Cast Iron
Max Speed
3,750 RPM
Outside Dia
6 11/32 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: 9 Coupling Size is a finished bore close-coupled flange designed for industrial power transmission. This metric, round keyed flange has a 48 mm bore, a maximum speed of 3,750 RPM, and a 6 11/32 in outside diameter, constructed from cast iron (MPN 9S-48MM).

Frequently Asked Questions

What is the MASTERDRIVE Coupling Flange 9S-48MM used for?

The MASTERDRIVE Coupling Flange 9S-48MM is a finished bore close-coupled flange used in industrial power transmission systems to connect a motor shaft to a driven component. It is suitable for applications requiring a metric, round keyed bore and speeds up to 3,750 RPM.

What are the specifications of the MASTERDRIVE 9S-48MM coupling flange?

The MASTERDRIVE 9S-48MM coupling flange has a 48 mm metric round keyed bore, a maximum speed of 3,750 RPM, and an outside diameter of 6 11/32 in. It is constructed from cast iron and is part of the 9 coupling size series.

Where to buy the MASTERDRIVE 9S-48MM coupling flange worldwide?

3G Electric supplies the MASTERDRIVE 9S-48MM coupling flange to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this cast iron flange to your facility. Contact us for availability and lead time.

How to select the correct MASTERDRIVE coupling flange size?

To select the correct MASTERDRIVE coupling flange, match the bore diameter (metric round keyed), outside diameter, and maximum speed rating to your motor and driven equipment. The 9S-48MM is designed for a 48 mm shaft and 3,750 RPM applications. Verify shaft keyway dimensions per MASTERDRIVE guidelines.

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