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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 inch-dimension systems. It features a round keyed bore and has a maximum speed of 4,500 RPM with a 3 1/4…

SKU 3G-OTH-135109

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
8SCH138
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 inch-dimension systems. It features a round keyed bore and has a maximum speed of 4,500 RPM with a 3 1/4 inch outside diameter (MPN 8SCH138).

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 TB WOOD'S Sleeve Coupling Spacer Hub 8SCH138 used for?

This finished bore spacer hub connects shafts in power transmission systems, accommodating misalignment in pumps, conveyors, and industrial machinery. It is part of a sleeve coupling assembly for inch-dimension applications, rated for 4,500 RPM maximum speed.

What are the specifications of TB WOOD'S 8SCH138 spacer hub?

The TB WOOD'S 8SCH138 is a finished bore spacer hub in coupling size 8. It has a 3 1/4 in outside diameter, a round keyed bore, inch dimensions, and a maximum speed of 4,500 RPM. The manufacturer part number is 8SCH138.

Where to buy TB WOOD'S 8SCH138 spacer hub worldwide?

3G Electric supplies and delivers the TB WOOD'S 8SCH138 spacer hub worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to ensure your order arrives at your facility, wherever it is located.

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

Select the spacer hub by matching coupling size, bore type (round keyed), shaft diameter, and maximum speed (4,500 RPM for the 8SCH138). Ensure inch-dimension compatibility and verify outside diameter (3 1/4 in) fits your coupling assembly. 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 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: 5 Coupling Size, 7,600 RPM Max Speed, 2 in Outside Dia, Inch (MPN 5SCH78). Key specifications — attr672411: Inch; attr672366: Round Keyed; attr85403: TB WOOD'S.