We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

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 4J12, is a finished bore close-coupled flange with a 4 coupling size. It features a round keyed bore, inch dimensions, a 2 1/2 in outside diameter, and a maximum speed of…

SKU 3G-OTH-134511

Brand
TB WOODS
Item
TB WOOD'S Sleeve Coupling Flange: 4 Coupling Size, 7,600 RPM Max Speed
Category
Finished Bore Close-Coupled Flanges
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

TB WOODS
Manufacturer Part Number
4J12
Type
Inch
Max Speed
7,600 RPM
Outside Dia
2 1/2 in

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The TB WOOD'S Sleeve Coupling Flange, model 4J12, is a finished bore close-coupled flange with a 4 coupling size. It features a round keyed bore, inch dimensions, a 2 1/2 in outside diameter, and a maximum speed of 7,600 RPM. This component is designed for industrial power transmission applications requiring a sleeve coupling flange.

Frequently Asked Questions

What is the TB WOOD'S Sleeve Coupling Flange 4J12 used for?

The TB WOOD'S Sleeve Coupling Flange 4J12 is used in industrial power transmission systems to connect shafts in close-coupled applications. It is suitable for high-speed operations up to 7,600 RPM and is commonly found in pumps, compressors, and conveyors where a compact, reliable flange coupling is required.

What are the specifications of the TB WOOD'S 4J12 coupling flange?

The TB WOOD'S 4J12 is a finished bore close-coupled flange with a 4 coupling size, 2 1/2 in outside diameter, and a round keyed bore in inch dimensions. It has a maximum speed of 7,600 RPM. The manufacturer part number is 4J12, and it is designed for industrial power transmission.

Where to buy the TB WOOD'S 4J12 coupling flange worldwide?

You can source the TB WOOD'S 4J12 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; we supply genuine TB WOOD'S components for power transmission needs.

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

To select the correct TB WOOD'S sleeve coupling flange, match the coupling size and bore type to your shaft dimensions. For the 4J12, ensure the shaft is round keyed and inch-sized. Verify the outside diameter (2 1/2 in) fits your space, and confirm the maximum speed (7,600 RPM) exceeds your operating speed. Consult TB WOOD'S catalog for torque ratings.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
TB WOOD'S Sleeve Coupling Flange: 4 Coupling Size, 7,600 RPM Max Speed, 2 1/2 in Outside Dia, Inch (MPN 4J78)
TB WOODS
TB WOOD'S Sleeve Coupling Flange: 4 Coupling Size, 7,600 RPM Max Speed, 2 1/2 in Outside Dia, Inch (MPN 4J78)
TB WOOD'S Sleeve Coupling Flange: 5 Coupling Size, 7,600 RPM Max Speed, 3 1/4 in Outside Dia, Inch (MPN 5J78)
TB WOODS
TB WOOD'S Sleeve Coupling Flange: 5 Coupling Size, 7,600 RPM Max Speed, 3 1/4 in Outside Dia, Inch (MPN 5J78)
TB WOOD'S Sleeve Coupling Flange: 7 Coupling Size, 5,250 RPM Max Speed, 4 5/8 in Outside Dia, Inch (MPN 7S112)
TB WOODS
TB WOOD'S Sleeve Coupling Flange: 7 Coupling Size, 5,250 RPM Max Speed, 4 5/8 in Outside Dia, Inch (MPN 7S112)
TB WOOD'S Sleeve Coupling Flange: 8 Coupling Size, 4,500 RPM Max Speed, 5 29/64 in Outside Dia, Inch (MPN 8S118)
TB WOODS
TB WOOD'S Sleeve Coupling Flange: 8 Coupling Size, 4,500 RPM Max Speed, 5 29/64 in Outside Dia, Inch (MPN 8S118)
TB WOOD'S Sleeve Coupling Flange: 7 Coupling Size, 5,250 RPM Max Speed, 4 5/8 in Outside Dia, Inch (MPN 7S1)
TB WOODS
TB WOOD'S Sleeve Coupling Flange: 7 Coupling Size, 5,250 RPM Max Speed, 4 5/8 in Outside Dia, Inch (MPN 7S1)
TB WOOD'S Sleeve Coupling Flange: 5 Coupling Size, 7,600 RPM Max Speed, 3 1/4 in Outside Dia, Inch (MPN 5J58)
TB WOODS
TB WOOD'S Sleeve Coupling Flange: 5 Coupling Size, 7,600 RPM Max Speed, 3 1/4 in Outside Dia, Inch (MPN 5J58)

More from TB WOODS

View all TB WOODS parts
TB WOOD'S Sleeve Coupling Flange: 9 Coupling Size, 3,750 RPM Max Speed, 6 11/32 in Outside Dia, Inch (MPN 9S178)
TB WOODS
TB WOOD'S Sleeve Coupling Flange: 9 Coupling Size, 3,750 RPM Max Speed, 6 11/32 in Outside Dia, Inch (MPN 9S178)
TB WOOD'S Sleeve Coupling Flange: 4 Coupling Size, 7,600 RPM Max Speed, 2 1/2 in Outside Dia, Inch (MPN 4J34)
TB WOODS
TB WOOD'S Sleeve Coupling Flange: 4 Coupling Size, 7,600 RPM Max Speed, 2 1/2 in Outside Dia, Inch (MPN 4J34)
TB WOOD'S Sleeve Coupling Flange: 4 Coupling Size, 7,600 RPM Max Speed, 2 1/2 in Outside Dia, Inch (MPN 4J58)
TB WOODS
TB WOOD'S Sleeve Coupling Flange: 4 Coupling Size, 7,600 RPM Max Speed, 2 1/2 in Outside Dia, Inch (MPN 4J58)
TB WOOD'S Sleeve Coupling Flange: 6 Coupling Size, 6,000 RPM Max Speed, 4 in Outside Dia, Cast Iron (MPN 6S158)
TB WOODS
TB WOOD'S Sleeve Coupling Flange: 6 Coupling Size, 6,000 RPM Max Speed, 4 in Outside Dia, Cast Iron (MPN 6S158)
TB WOOD'S Sleeve Coupling Flange: 6 Coupling Size, 6,000 RPM Max Speed, 4 in Outside Dia, Cast Iron (MPN 6J138)
TB WOODS
TB WOOD'S Sleeve Coupling Flange: 6 Coupling Size, 6,000 RPM Max Speed, 4 in Outside Dia, Cast Iron (MPN 6J138)
TB WOOD'S Sleeve Coupling Flange: 10 Coupling Size, 3,600 RPM Max Speed, 7 1/2 in Outside Dia, Inch (MPN 10S218)
TB WOODS
TB WOOD'S Sleeve Coupling Flange: 10 Coupling Size, 3,600 RPM Max Speed, 7 1/2 in Outside Dia, Inch (MPN 10S218)
TB WOOD'S Sleeve Coupling Flange: 7 Coupling Size, 5,250 RPM Max Speed, 4 5/8 in Outside Dia, Inch (MPN 7S114)
TB WOODS
TB WOOD'S Sleeve Coupling Flange: 7 Coupling Size, 5,250 RPM Max Speed, 4 5/8 in Outside Dia, Inch (MPN 7S114)
TB WOOD'S Sleeve Coupling Flange: 4 Coupling Size, 7,600 RPM Max Speed, 2 1/2 in Outside Dia, Inch (MPN 4J1)
TB WOODS
TB WOOD'S Sleeve Coupling Flange: 4 Coupling Size, 7,600 RPM Max Speed, 2 1/2 in Outside Dia, Inch (MPN 4J1)