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MASTERDRIVEQD Bushed 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 QD Bushed Close-Coupled Flange designed for use with a Quick Disconnect Bushing. This cast iron flange has a 4 5/8 in outside diameter and a maximum speed of…

SKU 3G-OTH-187738

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

MASTERDRIVE
Manufacturer Part Number
7B
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 QD Bushed Close-Coupled Flange designed for use with a Quick Disconnect Bushing. This cast iron flange has a 4 5/8 in outside diameter and a maximum speed of 5,250 RPM. The JA bushing type and inch measurement system are specified for this model, with manufacturer part number 7B.

Frequently Asked Questions

What is a MASTERDRIVE QD Bushed Close-Coupled Flange used for?

A MASTERDRIVE QD Bushed Close-Coupled Flange connects a motor shaft to a driven component using a quick disconnect bushing. It is used in power transmission applications across industries like material handling, pumps, and conveyors where reliable, high-speed coupling is required.

What are the specifications of the MASTERDRIVE Coupling Flange 7B?

The MASTERDRIVE Coupling Flange 7B is a cast iron QD Bushed Close-Coupled Flange with coupling size 7, outside diameter 4 5/8 in, and maximum speed 5,250 RPM. It uses a JA bushing type and inch measurement system, with manufacturer part number 7B.

Where to buy MASTERDRIVE coupling flanges worldwide?

3G Electric supplies MASTERDRIVE coupling flanges worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to source the MASTERDRIVE 7B or other sizes for your power transmission needs.

How to select the correct MASTERDRIVE coupling flange?

To select the correct MASTERDRIVE coupling flange, match the coupling size, outside diameter, and bushing type (JA) to your shaft dimensions and speed requirements. Verify the maximum speed rating (5,250 RPM for size 7) and ensure the flange material (cast iron) suits your environment.

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 qd bushed 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
MASTERDRIVE Coupling Flange: 7 Coupling Size, 5,250 RPM Max Speed, 4 5/8 in Outside Dia, Cast Iron (MPN 7S-1-1/2)
MASTERDRIVE
MASTERDRIVE Coupling Flange: 7 Coupling Size, 5,250 RPM Max Speed, 4 5/8 in Outside Dia, Cast Iron (MPN 7S-1-1/2)
MASTERDRIVE Coupling Flange: 7 Coupling Size, 5,250 RPM Max Speed, 4 5/8 in Outside Dia, Cast Iron (MPN 7S-1-1/8-RSB)
MASTERDRIVE
MASTERDRIVE Coupling Flange: 7 Coupling Size, 5,250 RPM Max Speed, 4 5/8 in Outside Dia, Cast Iron (MPN 7S-1-1/8-RSB)
MASTERDRIVE Coupling Flange: 7 Coupling Size, 5,250 RPM Max Speed, 4 5/8 in Outside Dia, Cast Iron (MPN 7S-1-5/8)
MASTERDRIVE
MASTERDRIVE Coupling Flange: 7 Coupling Size, 5,250 RPM Max Speed, 4 5/8 in Outside Dia, Cast Iron (MPN 7S-1-5/8)
MASTERDRIVE Coupling Flange: 7 Coupling Size, 5,250 RPM Max Speed, 4 5/8 in Outside Dia, Cast Iron (MPN 7S-1-1/8)
MASTERDRIVE
MASTERDRIVE Coupling Flange: 7 Coupling Size, 5,250 RPM Max Speed, 4 5/8 in Outside Dia, Cast Iron (MPN 7S-1-1/8)

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