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MASTERDRIVE Coupling Flange: 12 Coupling Size, 2,800 RPM Max Speed, 10 in Outside Dia - Finished Bore Close-Coupled Flanges
MASTERDRIVEFinished Bore Close-Coupled Flanges

MASTERDRIVE Coupling Flange: 12 Coupling Size, 2,800 RPM Max Speed, 10 in Outside Dia

The MASTERDRIVE Coupling Flange: 12 Coupling Size is a Finished Bore Close-Coupled Flange from MASTERDRIVE. It features a Round Keyed bore, Metric sizing, and a 50 mm bore diameter (MPN 12S-50MM). This cast iron…

SKU 3G-OTH-134722

Also listed as: 12S50MM · 12S 50MM

Brand
MASTERDRIVE
Item
Coupling Flange: 12 Coupling Size, 2,800 RPM Max Speed, 10 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
12S-50MM
Type
Cast Iron
Max Speed
2,800 RPM
Outside Dia
10 in

Technical Documents

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

Product Description

The MASTERDRIVE Coupling Flange: 12 Coupling Size is a Finished Bore Close-Coupled Flange from MASTERDRIVE. It features a Round Keyed bore, Metric sizing, and a 50 mm bore diameter (MPN 12S-50MM). This cast iron flange has a 10 in outside diameter and a maximum speed of 2,800 RPM.

Frequently Asked Questions

What is a MASTERDRIVE coupling flange used for?

A MASTERDRIVE coupling flange connects a motor shaft to driven equipment in power transmission systems. This 12 coupling size, cast iron flange with a 50 mm round keyed bore handles up to 2,800 RPM, making it suitable for pumps, conveyors, and industrial machinery.

What are the specifications of the MASTERDRIVE 12S-50MM coupling flange?

The MASTERDRIVE 12S-50MM is a finished bore close-coupled flange with a 10 in outside diameter, 50 mm round keyed bore, and 2,800 RPM max speed. It is made of cast iron and uses metric sizing. The manufacturer part number is 12S-50MM.

Where to buy MASTERDRIVE coupling flanges worldwide?

3G Electric supplies MASTERDRIVE coupling flanges like the 12S-50MM to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this cast iron flange with a 50 mm bore.

How to select the right MASTERDRIVE coupling flange size?

Select a MASTERDRIVE coupling flange by matching the bore diameter and keyway to your shaft, and ensure the outside diameter and max speed (2,800 RPM for the 12S-50MM) meet your application. This cast iron flange uses a round keyed bore and metric sizing for precise 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

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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