EXW Singapore — collect or forward from our Singapore office.

3G Electric
TB WOODS 8SCH178 Finished Bore Spacer Hub, 3 1/4 in OD, 4,500 RPM - Finished Bore Spacer Hubs
TB WOODSFinished Bore Spacer Hubs

TB WOODS 8SCH178 Finished Bore Spacer Hub, 3 1/4 in OD, 4,500 RPM

The TB WOOD'S Sleeve Coupling Spacer Hub is a Finished Bore Spacer Hub in the 8 Coupling Size, designed for use with sleeve couplings. This inch-dimensioned hub features a round keyed bore and has a maximum speed of…

SKU 3G-OTH-135112

Brand
TB WOODS
Item
8SCH178 Finished Bore Spacer Hub, 3 1/4 in OD, 4,500 RPM
Part Number
8SCH178
Category
Finished Bore Spacer Hubs
Available to Order
Also known as:8SCH178TB WOODS
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.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

TB WOODS
Manufacturer Part Number
8SCH178
Max Speed
4,500 RPM
Outside Dia
3 1/4 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 Spacer Hub is a Finished Bore Spacer Hub in the 8 Coupling Size, designed for use with sleeve couplings. This inch-dimensioned hub features a round keyed bore and has a maximum speed of 4,500 RPM with a 3 1/4 inch outside diameter (MPN 8SCH178).

Frequently Asked Questions

What is the TB WOOD'S Sleeve Coupling Spacer Hub used for?

The TB WOOD'S Sleeve Coupling Spacer Hub is used in industrial power transmission systems to connect shafts via a sleeve coupling. It accommodates misalignment and transmits torque in applications such as conveyors, pumps, and compressors. This inch-dimensioned hub with a round keyed bore is designed for reliable performance in heavy-duty machinery.

What are the specifications of the TB WOOD'S 8SCH178 Sleeve Coupling Spacer Hub?

The TB WOOD'S 8SCH178 Sleeve Coupling Spacer Hub has a coupling size of 8, a maximum speed of 4,500 RPM, and an outside diameter of 3 1/4 inches. It features a round keyed bore and is inch-dimensioned. This finished bore spacer hub is designed for use with sleeve couplings in industrial power transmission applications.

Where to buy TB WOOD'S Sleeve Coupling Spacer Hub worldwide?

You can source the TB WOOD'S Sleeve Coupling Spacer Hub worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. 3G Electric provides reliable sourcing for TB WOOD'S power transmission components.

How to select the correct TB WOOD'S Sleeve Coupling Spacer Hub?

To select the correct TB WOOD'S Sleeve Coupling Spacer Hub, match the coupling size, bore type (round keyed), and shaft diameter to your application. Verify the maximum speed rating of 4,500 RPM and outside diameter of 3 1/4 inches. Ensure the hub is compatible with your sleeve coupling assembly. Consult TB WOOD'S technical documentation for precise fitment.

Used in

Common applications for TB WOODS
Pumps — TB Woods Sure-Flex sleeve coupling inserts (e.g., 8N, 8H) for connecting pump shafts and absorbing vibration.
Compressors — TB Woods jaw coupling hubs (e.g., L150) with spider elements to accommodate misalignment in compressor drives.
Conveyors — TB Woods tire coupling hubs (e.g., WE5H1) for shock absorption and misalignment in conveyor drive systems.
Fans and blowers — TB Woods Sure-Flex Plus coupling inserts (e.g., 8H) for high-speed fan applications up to 4,500 RPM.
Mixers — TB Woods two-piece sleeve coupling inserts (e.g., 8N) for easy replacement without moving mixer shafts.
Electric motors — TB Woods metric jaw coupling hubs (e.g., L075, L100) for motor-to-driven shaft connections in general purpose drives.
Not sure this is the right part? Photo-identify it→

TB WOODS Products

3G Electric supplies TB WOODS finished bore spacer hubs. 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 →

More from TB WOODS

View all TB WOODS parts →

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first