Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
TB WOODS TB WOOD'S Sleeve Coupling Spacer Hub: 8 Coupling Size, 4,500 RPM Max Speed - Plain Bore Spacer Hubs
TB WOODSPlain 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 plain bore spacer hub with an 8 coupling size, designed for industrial power transmission applications. This round hub has a 3 1/4 in outside diameter and a maximum speed…

SKU 3G-OTH-140583

Brand
TB WOODS
Item
TB WOOD'S Sleeve Coupling Spacer Hub: 8 Coupling Size, 4,500 RPM Max Speed
Category
Plain Bore Spacer Hubs
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

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

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 plain bore spacer hub with an 8 coupling size, designed for industrial power transmission applications. This round hub has a 3 1/4 in outside diameter and a maximum speed of 4,500 RPM, with dimensions specified in inches. The manufacturer part number is 8SCHMPB.

Frequently Asked Questions

What is TB WOOD'S Sleeve Coupling Spacer Hub 8SCHMPB used for?

This plain bore spacer hub is used in industrial power transmission systems to connect shafts and accommodate misalignment. It is commonly applied in conveyors, pumps, and material handling equipment where a reliable, maintenance-friendly coupling is needed.

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

The TB WOOD'S 8SCHMPB is a round, inch-dimensioned spacer hub with an 8 coupling size, 3 1/4 in outside diameter, and a maximum speed of 4,500 RPM. It is a plain bore design for direct shaft mounting in power transmission applications.

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

3G Electric supplies the TB WOOD'S 8SCHMPB sleeve coupling spacer hub to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive genuine industrial components for your power transmission needs.

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

Select the spacer hub based on shaft diameter, bore type, coupling size, and speed requirements. For the 8SCHMPB, ensure your application operates within the 4,500 RPM max speed and uses inch-dimensioned shafts. Consult TB WOOD'S catalog for bore range and 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 plain 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 →

Similar products

Matched by specification & description
TB WOOD'S Sleeve Coupling Spacer Hub: 8 Coupling Size, 4,500 RPM Max Speed, 3 1/4 in Outside Dia (MPN 8SCH118). Key specifications — attr672411: Inch; attr672366: Round Keyed; attr85403: TB WOOD'S.
TB WOODS
TB WOOD'S Sleeve Coupling Spacer Hub: 8 Coupling Size, 4,500 RPM Max Speed, 3 1/4 in Outside Dia (MPN 8SCH118). 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 8SCH112). Key specifications — attr672411: Inch; attr672366: Round Keyed; attr85403: TB WOOD'S.
TB WOODS
TB WOOD'S Sleeve Coupling Spacer Hub: 8 Coupling Size, 4,500 RPM Max Speed, 3 1/4 in Outside Dia (MPN 8SCH112). 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
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 WOOD'S Sleeve Coupling Spacer Hub: 8 Coupling Size, 4,500 RPM Max Speed, 3 1/4 in Outside Dia (MPN 8SCH178). Key specifications — attr672411: Inch; attr672366: Round Keyed; attr85403: TB WOOD'S.
TB WOODS
TB WOOD'S Sleeve Coupling Spacer Hub: 8 Coupling Size, 4,500 RPM Max Speed, 3 1/4 in Outside Dia (MPN 8SCH178). 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 8SCH158). Key specifications — attr672411: Inch; attr672366: Round Keyed; attr85403: TB WOOD'S.
TB WOODS
TB WOOD'S Sleeve Coupling Spacer Hub: 8 Coupling Size, 4,500 RPM Max Speed, 3 1/4 in Outside Dia (MPN 8SCH158). 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 9SCH118). 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 9SCH118). Key specifications — attr672411: Inch; attr672366: Round Keyed; attr85403: TB WOOD'S.

More from TB WOODS

View all TB WOODS parts →
TB WOOD'S Sleeve Coupling Spacer Hub: 5 Coupling Size, 7,600 RPM Max Speed, 2 in Outside Dia, Round (MPN 5SCHMPB). Key specifications — attr672411: Inch; attr672366: Round; attr85403: TB WOOD'S.
TB WOODS
TB WOOD'S Sleeve Coupling Spacer Hub: 5 Coupling Size, 7,600 RPM Max Speed, 2 in Outside Dia, Round (MPN 5SCHMPB). Key specifications — attr672411: Inch; attr672366: Round; attr85403: TB WOOD'S.
TB WOOD'S Sleeve Coupling Spacer Hub: 7 Coupling Size, 5,250 RPM Max Speed, 2 13/16 in Outside Dia (MPN 7SCHMPB). Key specifications — attr672411: Inch; attr672366: Round; attr85403: TB WOOD'S.
TB WOODS
TB WOOD'S Sleeve Coupling Spacer Hub: 7 Coupling Size, 5,250 RPM Max Speed, 2 13/16 in Outside Dia (MPN 7SCHMPB). Key specifications — attr672411: Inch; attr672366: Round; 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 9SCHMPB). Key specifications — attr672411: Inch; attr672366: Round; 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 9SCHMPB). Key specifications — attr672411: Inch; attr672366: Round; attr85403: TB WOOD'S.
TB WOOD'S Sleeve Coupling Spacer Hub: 10 Coupling Size, 3,600 RPM Max Speed, 4 3/8 in Outside Dia (MPN 10SCHMPB). Key specifications — attr672411: Inch; attr672366: Round; attr85403: TB WOOD'S.
TB WOODS
TB WOOD'S Sleeve Coupling Spacer Hub: 10 Coupling Size, 3,600 RPM Max Speed, 4 3/8 in Outside Dia (MPN 10SCHMPB). Key specifications — attr672411: Inch; attr672366: Round; attr85403: TB WOOD'S.
TB WOOD'S Sleeve Coupling Spacer Hub: 11 Coupling Size, 3,600 RPM Max Speed, 5 1/4 in Outside Dia (MPN 11SCHMPB). Key specifications — attr672411: Inch; attr672366: Round; attr85403: TB WOOD'S.
TB WOODS
TB WOOD'S Sleeve Coupling Spacer Hub: 11 Coupling Size, 3,600 RPM Max Speed, 5 1/4 in Outside Dia (MPN 11SCHMPB). Key specifications — attr672411: Inch; attr672366: Round; attr85403: TB WOOD'S.
TB WOOD'S Sleeve Coupling Spacer Hub: 6 Coupling Size, 6,000 RPM Max Speed, 2 1/2 in Outside Dia (MPN 6SCHMPB). Key specifications — attr672411: Inch; attr672366: Round; attr85403: TB WOOD'S.
TB WOODS
TB WOOD'S Sleeve Coupling Spacer Hub: 6 Coupling Size, 6,000 RPM Max Speed, 2 1/2 in Outside Dia (MPN 6SCHMPB). Key specifications — attr672411: Inch; attr672366: Round; attr85403: TB WOOD'S.