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MASTERDRIVE Coupling Flange: 7 Coupling Size, 5,250 RPM Max Speed, 4 5/8 in Outside Dia - Finished Bore Close-Coupled Flanges
MASTERDRIVEFinished Bore Close-Coupled Flanges

MASTERDRIVE Coupling Flange: 7 Coupling Size, 5,250 RPM Max Speed, 4 5/8 in Outside Dia

The MASTERDRIVE Coupling Flange: 7 Coupling Size is a finished bore close-coupled flange designed for industrial power transmission. This cast iron flange has a 4 5/8 in outside diameter, a maximum speed of 5,250…

SKU 3G-OTH-134657

Brand
MASTERDRIVE
Item
Coupling Flange: 7 Coupling Size, 5,250 RPM Max Speed, 4 5/8 in Outside Dia
Category
Finished Bore Close-Coupled Flanges
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Technical Specifications

MASTERDRIVE
Manufacturer Part Number
7S-1-1/8
Type
Cast Iron
Max Speed
5,250 RPM
Outside Dia
4 5/8 in
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Technical Documents

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

Product Description

The MASTERDRIVE Coupling Flange: 7 Coupling Size is a finished bore close-coupled flange designed for industrial power transmission. This cast iron flange has a 4 5/8 in outside diameter, a maximum speed of 5,250 RPM, and features a round keyed inch bore. The manufacturer part number is 7S-1-1/8.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the MASTERDRIVE Coupling Flange 7S-1-1/8 used for?

The MASTERDRIVE Coupling Flange 7S-1-1/8 is a finished bore close-coupled flange used in industrial power transmission systems. It connects rotating shafts in pumps, gearboxes, and conveyors, transmitting torque reliably. The cast iron construction and 5,250 RPM max speed suit moderate-duty applications. 3G Electric supplies this MASTERDRIVE component globally.

What are the specifications of the MASTERDRIVE Coupling Flange 7S-1-1/8?

The MASTERDRIVE Coupling Flange 7S-1-1/8 has a 7 coupling size, 4 5/8 in outside diameter, and a maximum speed of 5,250 RPM. It features a round keyed inch bore and is made of cast iron. The manufacturer part number is 7S-1-1/8. This finished bore close-coupled flange is designed for inch-system shafts.

Where to buy MASTERDRIVE Coupling Flange 7S-1-1/8 worldwide?

You can source the MASTERDRIVE Coupling Flange 7S-1-1/8 worldwide through 3G Electric. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We provide this MASTERDRIVE component to customers across industries.

How to select the correct MASTERDRIVE Coupling Flange size?

To select the correct MASTERDRIVE Coupling Flange, match the coupling size (7 in this model) to your shaft diameter and keyway type. Verify the bore style—round keyed inch—and ensure the outside diameter (4 5/8 in) fits your housing. Confirm the maximum speed (5,250 RPM) exceeds your application's operating speed. Consult MASTERDRIVE documentation for torque ratings.

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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