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MASTERDRIVE Coupling Flange: 9 Coupling Size, 3,750 RPM Max Speed, 6 11/32 in Outside Dia - Finished Bore Close-Coupled Flanges
MASTERDRIVEFinished Bore Close-Coupled Flanges

MASTERDRIVE Coupling Flange: 9 Coupling Size, 3,750 RPM Max Speed, 6 11/32 in Outside Dia

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
Coupling Flange: 9 Coupling Size, 3,750 RPM Max Speed, 6 11/32 in Outside Dia
Category
Finished Bore Close-Coupled Flanges
Available to Order
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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

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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

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.

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Cross-referenced by specification & description
MASTERDRIVE Coupling Flange: 9 Coupling Size, 3,750 RPM Max Speed, 6 11/32 in Outside Dia, Cast Iron (MPN 9S-42MM)
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MASTERDRIVE Coupling Flange: 9 Coupling Size, 3,750 RPM Max Speed, 6 11/32 in Outside Dia, Cast Iron (MPN 9S-42MM)
MASTERDRIVE Coupling Flange: 9 Coupling Size, 3,750 RPM Max Speed, 6 11/32 in Outside Dia, Cast Iron (MPN 9S-24MM)
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MASTERDRIVE Coupling Flange: 9 Coupling Size, 3,750 RPM Max Speed, 6 11/32 in Outside Dia, Cast Iron (MPN 9S-24MM)
MASTERDRIVE Coupling Flange: 9 Coupling Size, 3,750 RPM Max Speed, 6 11/32 in Outside Dia, Cast Iron (MPN 9S-45MM)
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MASTERDRIVE Coupling Flange: 9 Coupling Size, 3,750 RPM Max Speed, 6 11/32 in Outside Dia, Cast Iron (MPN 9S-45MM)
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MASTERDRIVE Coupling Flange: 9 Coupling Size, 3,750 RPM Max Speed, 6 11/32 in Outside Dia, Cast Iron (MPN 9S-30MM)
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MASTERDRIVE
MASTERDRIVE Coupling Flange: 9 Coupling Size, 3,750 RPM Max Speed, 6 11/32 in Outside Dia, Cast Iron (MPN 9S-38MM)
MASTERDRIVE Coupling Flange: 9 Coupling Size, 3,750 RPM Max Speed, 6 11/32 in Outside Dia, Cast Iron (MPN 9S-32MM)
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MASTERDRIVE Coupling Flange: 9 Coupling Size, 3,750 RPM Max Speed, 6 11/32 in Outside Dia, Cast Iron (MPN 9S-32MM)

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