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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 round, inch-dimensioned flange is made of cast iron, with a 4 5/8 in outside…

SKU 3G-OTH-134656

Also listed as: 7S118RSB · 7S 1 1 8 RSB · 7S-1-1-8-RSB

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
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
7S-1-1/8-RSB
Type
Cast Iron
Max Speed
5,250 RPM
Outside Dia
4 5/8 in

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 round, inch-dimensioned flange is made of cast iron, with a 4 5/8 in outside diameter and a maximum speed of 5,250 RPM (MPN 7S-1-1/8-RSB).

Frequently Asked Questions

What is a MASTERDRIVE coupling flange used for?

A MASTERDRIVE coupling flange connects a motor shaft to driven equipment in industrial power transmission systems. This finished bore close-coupled flange, size 7, handles up to 5,250 RPM and is made of cast iron for durability in pumps, conveyors, and machinery.

What are the specifications of the MASTERDRIVE 7S-1-1/8-RSB coupling flange?

The MASTERDRIVE 7S-1-1/8-RSB is a round, inch-dimensioned cast iron coupling flange with a 4 5/8 in outside diameter, coupling size 7, and a maximum speed of 5,250 RPM. It is a finished bore close-coupled flange for industrial power transmission.

Where to buy MASTERDRIVE coupling flanges worldwide?

3G Electric supplies MASTERDRIVE coupling flanges worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source and deliver genuine MASTERDRIVE parts like the 7S-1-1/8-RSB to any international destination.

How to select the right MASTERDRIVE coupling flange size?

Select a MASTERDRIVE coupling flange by matching the coupling size, bore diameter, and maximum speed to your motor and driven equipment. For the 7S-1-1/8-RSB, verify the 4 5/8 in outside diameter and 5,250 RPM rating fit your shaft and application 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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