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MASTERDRIVEQD Bushed Close-Coupled Flanges

MASTERDRIVE Coupling Flange: 9 Coupling Size, 3,750 RPM Max Speed, 6 11/32 in Outside Dia

The MASTERDRIVE Coupling Flange: 9 Coupling Size is a QD Bushed Close-Coupled Flange, part number 9B, designed for use with Quick Disconnect Bushings. This cast iron flange has a 6 11/32-inch outside diameter and a…

SKU 3G-OTH-187736

Brand
MASTERDRIVE
Item
Coupling Flange: 9 Coupling Size, 3,750 RPM Max Speed, 6 11/32 in Outside Dia
Category
QD Bushed Close-Coupled Flanges
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Technical Specifications

MASTERDRIVE
Manufacturer Part Number
9B
Type
Cast Iron
Max Speed
3,750 RPM
Outside Dia
6 11/32 in

Technical Documents

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

Product Description

The MASTERDRIVE Coupling Flange: 9 Coupling Size is a QD Bushed Close-Coupled Flange, part number 9B, designed for use with Quick Disconnect Bushings. This cast iron flange has a 6 11/32-inch outside diameter and a maximum speed of 3,750 RPM, with an SD bushing type and inch dimensions.

Frequently Asked Questions

What is a MASTERDRIVE coupling flange used for?

A MASTERDRIVE coupling flange connects a motor shaft to a driven component using a Quick Disconnect Bushing. It is commonly used in industrial power transmission systems such as pumps, conveyors, and compressors where reliable torque transfer and easy maintenance are required.

What are the specifications of the MASTERDRIVE 9B coupling flange?

The MASTERDRIVE 9B coupling flange has a coupling size of 9, a maximum speed of 3,750 RPM, and a 6 11/32-inch outside diameter. It is made of cast iron, uses an SD bushing type, and accepts Quick Disconnect Bushings. Dimensions are in inches.

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 us for availability and lead time.

How to install a MASTERDRIVE QD bushed close-coupled flange?

To install a MASTERDRIVE QD bushed close-coupled flange, first ensure the shaft and bushing are clean. Slide the bushing onto the shaft, position the flange, and tighten the cap screws evenly to the manufacturer's torque specification. Always align the components to avoid vibration and premature wear.

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: 9 Coupling Size, 3,750 RPM Max Speed, 6 11/32 in Outside Dia, Cast Iron (MPN 9S-7/8-RSB)
MASTERDRIVE
MASTERDRIVE Coupling Flange: 9 Coupling Size, 3,750 RPM Max Speed, 6 11/32 in Outside Dia, Cast Iron (MPN 9S-7/8-RSB)
MASTERDRIVE Coupling Flange: 9 Coupling Size, 3,750 RPM Max Speed, 6 11/32 in Outside Dia, Cast Iron (MPN 9S-2-7/8)
MASTERDRIVE
MASTERDRIVE Coupling Flange: 9 Coupling Size, 3,750 RPM Max Speed, 6 11/32 in Outside Dia, Cast Iron (MPN 9S-2-7/8)
MASTERDRIVE Coupling Flange: 9 Coupling Size, 3,750 RPM Max Speed, 6 11/32 in Outside Dia, Cast Iron (MPN 9S-2-3/16)
MASTERDRIVE
MASTERDRIVE Coupling Flange: 9 Coupling Size, 3,750 RPM Max Speed, 6 11/32 in Outside Dia, Cast Iron (MPN 9S-2-3/16)
MASTERDRIVE Coupling Flange: 9 Coupling Size, 3,750 RPM Max Speed, 6 11/32 in Outside Dia, Cast Iron (MPN 9S-2-3/8)
MASTERDRIVE
MASTERDRIVE Coupling Flange: 9 Coupling Size, 3,750 RPM Max Speed, 6 11/32 in Outside Dia, Cast Iron (MPN 9S-2-3/8)

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