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TB WOODS TB WOOD'S Sleeve Coupling Flange: 4 Coupling Size, 7,600 RPM Max Speed - Finished Bore Close-Coupled Flanges
TB WOODSFinished Bore Close-Coupled Flanges

TB WOODS TB WOOD'S Sleeve Coupling Flange: 4 Coupling Size, 7,600 RPM Max Speed

The TB WOOD'S Sleeve Coupling Flange, model 4J78, is a finished bore close-coupled flange with a 4 coupling size. It features a round keyed bore, an outside diameter of 2 1/2 inches, and a maximum speed of 7,600 RPM…

SKU 3G-OTH-134514

Brand
TB WOODS
Item
TB WOOD'S Sleeve Coupling Flange: 4 Coupling Size, 7,600 RPM Max Speed
Category
Finished Bore Close-Coupled Flanges
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Technical Specifications

TB WOODS
Manufacturer Part Number
4J78
Type
Inch
Max Speed
7,600 RPM
Outside Dia
2 1/2 in
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TB WOODS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The TB WOOD'S Sleeve Coupling Flange, model 4J78, is a finished bore close-coupled flange with a 4 coupling size. It features a round keyed bore, an outside diameter of 2 1/2 inches, and a maximum speed of 7,600 RPM, designed for inch-system applications.

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 TB WOOD'S Sleeve Coupling Flange 4J78 used for?

The TB WOOD'S Sleeve Coupling Flange 4J78 is used to connect two shafts in close-coupled industrial power transmission applications, such as pumps, gearboxes, and conveyors. Its finished bore and round keyed design provide a secure, concentric fit for inch-system shafts, handling speeds up to 7,600 RPM.

What are the specifications of the TB WOOD'S 4J78 coupling flange?

The TB WOOD'S 4J78 is a finished bore close-coupled flange with a 4 coupling size, 2 1/2 inch outside diameter, and round keyed bore. It supports a maximum speed of 7,600 RPM and is designed for inch-system applications. The manufacturer part number is 4J78.

Where to buy the TB WOOD'S 4J78 coupling flange worldwide?

You can source the TB WOOD'S 4J78 coupling flange 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 on this TB WOOD'S component.

How to select the correct TB WOOD'S sleeve coupling flange?

To select the correct TB WOOD'S sleeve coupling flange, match the coupling size (e.g., 4 for model 4J78) to your shaft diameter and keyway type. Verify the outside diameter (2 1/2 inches) fits your housing, and ensure the maximum speed rating (7,600 RPM) exceeds your application's operating speed. Always confirm inch-system compatibility.

Used in

Common applications for TB WOODS
Pump drives — TB WOOD'S sleeve coupling flanges (e.g., 4J78) for connecting motor to pump shafts in water treatment plants.
Conveyor systems — TB WOOD'S jaw coupling hubs (e.g., L09925MM) for torque transmission in material handling equipment.
Compressor applications — TB WOOD'S tire coupling hubs (e.g., WE2H78) to accommodate misalignment in air compressor drives.
Industrial fans — TB WOOD'S spacer hubs and flanges (e.g., 6SCHMPB, 6SC44) for extended shaft connections in ventilation systems.
Machine tools — TB WOOD'S two-piece sleeve coupling inserts (e.g., model 5) for vibration dampening in spindle drives.
Mixers and agitators — TB WOOD'S finished bore close-coupled flanges for direct coupling in chemical processing equipment.

TB WOODS Products

3G Electric supplies TB WOODS 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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