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MASTERDRIVE Coupling Flange: 8 Coupling Size, 4,500 RPM Max Speed, 5 29/64 in Outside Dia - Finished Bore Close-Coupled Flanges
MASTERDRIVEFinished Bore Close-Coupled Flanges

MASTERDRIVE Coupling Flange: 8 Coupling Size, 4,500 RPM Max Speed, 5 29/64 in Outside Dia

The MASTERDRIVE Coupling Flange: 8 Coupling Size is a Finished Bore Close-Coupled Flange from MASTERDRIVE. It features a Round Keyed bore, Inch measurements, and a maximum speed of 4,500 RPM. The flange has a 5 29/64…

SKU 3G-OTH-134626

Also listed as: 8S138 · 8S 1 3 8 · 8S-1-3-8

Brand
MASTERDRIVE
Item
Coupling Flange: 8 Coupling Size, 4,500 RPM Max Speed, 5 29/64 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
8S-1-3/8
Type
Cast Iron
Max Speed
4,500 RPM
Outside Dia
5 29/64 in

Technical Documents

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

Product Description

The MASTERDRIVE Coupling Flange: 8 Coupling Size is a Finished Bore Close-Coupled Flange from MASTERDRIVE. It features a Round Keyed bore, Inch measurements, and a maximum speed of 4,500 RPM. The flange has a 5 29/64 in outside diameter, is made of Cast Iron, and is identified by manufacturer part number 8S-1-3/8.

Frequently Asked Questions

What is a MASTERDRIVE coupling flange used for?

A MASTERDRIVE coupling flange connects a motor shaft to a driven component in power transmission systems. It is commonly used in industrial machinery, pumps, and gearboxes where a rigid, close-coupled connection is required. The cast iron construction and round keyed bore ensure reliable torque transfer.

What are the specifications of the MASTERDRIVE 8S-1-3/8 coupling flange?

The MASTERDRIVE 8S-1-3/8 is a finished bore close-coupled flange with coupling size 8. It has a round keyed bore, inch measurements, a maximum speed of 4,500 RPM, and an outside diameter of 5 29/64 in. It is made of cast iron and is manufactured by MASTERDRIVE.

Where to buy MASTERDRIVE coupling flanges worldwide?

MASTERDRIVE coupling flanges are available to order through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact 3G Electric for pricing and lead time on the MASTERDRIVE 8S-1-3/8 flange.

How to select the correct MASTERDRIVE coupling flange?

To select the correct MASTERDRIVE coupling flange, match the coupling size, bore type (round keyed), and shaft diameter to your application. Verify the maximum speed rating of 4,500 RPM and ensure the outside diameter of 5 29/64 in fits your space constraints. Consult MASTERDRIVE documentation for torque requirements.

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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