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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
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Technical Specifications

TB WOODS
Manufacturer Part Number
8SCH178
Max Speed
4,500 RPM
Outside Dia
3 1/4 in

Technical Documents

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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
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.
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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.

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