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TB WOODS TB WOOD'S Sleeve Coupling Spacer Hub: 8 Coupling Size, 4,500 RPM Max Speed - Finished Bore Spacer Hubs
TB WOODSFinished Bore Spacer Hubs

TB WOODS TB WOOD'S Sleeve Coupling Spacer Hub: 8 Coupling Size, 4,500 RPM Max Speed

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
TB WOOD'S Sleeve Coupling Spacer Hub: 8 Coupling Size, 4,500 RPM Max Speed
Category
Finished Bore Spacer Hubs
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Technical Specifications

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

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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).

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 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.

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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TB WOOD'S Sleeve Coupling Spacer Hub: 9 Coupling Size, 3,750 RPM Max Speed, 3 5/8 in Outside Dia (MPN 9SCH118). Key specifications — attr672411: Inch; attr672366: Round Keyed; attr85403: TB WOOD'S.
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TB WOOD'S Sleeve Coupling Spacer Hub: 6 Coupling Size, 6,000 RPM Max Speed, 2 1/2 in Outside Dia (MPN 6SCH138). Key specifications — attr672411: Inch; attr672366: Round Keyed; attr85403: TB WOOD'S.
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TB WOOD'S Sleeve Coupling Spacer Hub: 10 Coupling Size, 3,600 RPM Max Speed, 4 3/8 in Outside Dia (MPN 10SCH158). Key specifications — attr672411: Inch; attr672366: Round Keyed; attr85403: TB WOOD'S.
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TB WOOD'S Sleeve Coupling Spacer Hub: 10 Coupling Size, 3,600 RPM Max Speed, 4 3/8 in Outside Dia (MPN 10SCH158). Key specifications — attr672411: Inch; attr672366: Round Keyed; attr85403: TB WOOD'S.
TB WOOD'S Sleeve Coupling Spacer Hub: 8 Coupling Size, 4,500 RPM Max Speed, 3 1/4 in Outside Dia (MPN 8SCH138). Key specifications — attr672411: Inch; attr672366: Round Keyed; attr85403: TB WOOD'S.
TB WOODS
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TB WOOD'S Sleeve Coupling Spacer Hub: 9 Coupling Size, 3,750 RPM Max Speed, 3 5/8 in Outside Dia (MPN 9SCH138). Key specifications — attr672411: Inch; attr672366: Round Keyed; attr85403: TB WOOD'S.
TB WOODS
TB WOOD'S Sleeve Coupling Spacer Hub: 9 Coupling Size, 3,750 RPM Max Speed, 3 5/8 in Outside Dia (MPN 9SCH138). Key specifications — attr672411: Inch; attr672366: Round Keyed; attr85403: TB WOOD'S.
TB WOOD'S Sleeve Coupling Spacer Hub: 9 Coupling Size, 3,750 RPM Max Speed, 3 5/8 in Outside Dia (MPN 9SCH178). Key specifications — attr672411: Inch; attr672366: Round Keyed; attr85403: TB WOOD'S.
TB WOODS
TB WOOD'S Sleeve Coupling Spacer Hub: 9 Coupling Size, 3,750 RPM Max Speed, 3 5/8 in Outside Dia (MPN 9SCH178). Key specifications — attr672411: Inch; attr672366: Round Keyed; attr85403: TB WOOD'S.