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BOSTON GEAR High-Torque Straight Jaw Coupling Hub - High-Torque Straight Jaw Coupling Hubs
BOSTON GEARHigh-Torque Straight Jaw Coupling Hubs

BOSTON GEAR High-Torque Straight Jaw Coupling Hub

The BOSTON GEAR Jaw Coupling Hub is a high-torque straight jaw coupling hub in FC20 coupling size, with a 2 in outside diameter and 3 11/16 in coupling overall length (MPN SSFC20-5/8). This BOSTON GEAR component is…

SKU 3G-OTH-146679

Also listed as: SSFC2058 · SSFC20 5 8 · SSFC20-5-8

Brand
BOSTON GEAR
Item
High-Torque Straight Jaw Coupling Hub
Category
High-Torque Straight Jaw Coupling Hubs
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

BOSTON GEAR
Manufacturer Part Number
SSFC20-5/8
Outside Dia
2 in
Coupling Overall Lg
3 11/16 in

Technical Documents

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BOSTON GEAR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The BOSTON GEAR Jaw Coupling Hub is a high-torque straight jaw coupling hub in FC20 coupling size, with a 2 in outside diameter and 3 11/16 in coupling overall length (MPN SSFC20-5/8). This BOSTON GEAR component is designed for industrial power transmission applications requiring a durable, straight-jaw hub interface.

Frequently Asked Questions

What is a BOSTON GEAR FC20 jaw coupling hub used for?

A BOSTON GEAR FC20 jaw coupling hub connects a motor shaft to a driven component in power transmission systems. It accommodates misalignment and dampens vibration in industrial machinery such as pumps, conveyors, and gearboxes. The straight jaw design handles high-torque applications reliably.

What are the specifications of the BOSTON GEAR SSFC20-5/8 jaw coupling hub?

The BOSTON GEAR SSFC20-5/8 is a high-torque straight jaw coupling hub with FC20 coupling size. It has a 2 in outside diameter and a 3 11/16 in overall length. The manufacturer part number is SSFC20-5/8, and it is designed for use with BOSTON GEAR jaw coupling sleeves.

Where to buy BOSTON GEAR jaw coupling hubs worldwide?

You can source BOSTON GEAR jaw coupling hubs worldwide through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact them for availability and lead time on the SSFC20-5/8 or other BOSTON GEAR coupling components.

How to select the correct BOSTON GEAR jaw coupling hub for an application?

To select the correct BOSTON GEAR jaw coupling hub, match the coupling size (e.g., FC20) to the shaft diameters and torque requirements of your motor and driven equipment. Verify the outside diameter and overall length fit within your assembly space. Consult BOSTON GEAR's catalog for bore and keyway options.

Used in

Common applications for BOSTON GEAR
Material handling conveyors — Boston Gear worm gear speed reducers for belt drives
Packaging machinery — Boston Gear helical gear reducers for precise indexing
Food processing equipment — Boston Gear stainless steel speed reducers for washdown environments
Industrial pump drives — Boston Gear clamp collars for shaft coupling alignment
Mixer and agitator systems — Boston Gear oil-impregnated spider inserts for torque transmission
Automated assembly lines — Boston Gear mounting bases for horizontal reducer installation

BOSTON GEAR Products

3G Electric supplies BOSTON GEAR high-torque straight jaw coupling hubs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
BOSTON GEAR Shaft Coupler Body: FC20 Coupling Size, 2 in Outside Dia, 3 11/16 in Coupling Overall Lg (MPN FC20-1)
BOSTON GEAR
BOSTON GEAR Shaft Coupler Body: FC20 Coupling Size, 2 in Outside Dia, 3 11/16 in Coupling Overall Lg (MPN FC20-1)
BOSTON GEAR Shaft Coupler Body: FC20 Coupling Size, 2 in Outside Dia, 3 11/16 in Coupling Overall Lg (MPN FC20-5/8)
BOSTON GEAR
BOSTON GEAR Shaft Coupler Body: FC20 Coupling Size, 2 in Outside Dia, 3 11/16 in Coupling Overall Lg (MPN FC20-5/8)
Straight jaw coupling hub for connecting rotating shafts in power transmission systems. FC20 size with 2 in outside diameter and 3 11/16 in overall length. Suitable for applications requiring torque transfer and misalignment compensation, such as pumps, gearboxes, conveyors, and compressors
BOSTON GEAR
Straight jaw coupling hub for connecting rotating shafts in power transmission systems. FC20 size with 2 in outside diameter and 3 11/16 in overall length. Suitable for applications requiring torque transfer and misalignment compensation, such as pumps, gearboxes, conveyors, and compressors
BOSTON GEAR Shaft Coupler Body: FC20 Coupling Size, 2 in Outside Dia, 3 11/16 in Coupling Overall Lg (MPN FC20-7/8)
BOSTON GEAR
BOSTON GEAR Shaft Coupler Body: FC20 Coupling Size, 2 in Outside Dia, 3 11/16 in Coupling Overall Lg (MPN FC20-7/8)
Straight jaw coupling hub for connecting rotating shafts in power transmission systems. FC20 size, 2 in outside diameter, 3 11/16 in overall length. Suitable for applications such as conveyors, pumps, and gearboxes requiring torque transfer
BOSTON GEAR
Straight jaw coupling hub for connecting rotating shafts in power transmission systems. FC20 size, 2 in outside diameter, 3 11/16 in overall length. Suitable for applications such as conveyors, pumps, and gearboxes requiring torque transfer
BOSTON GEAR Shaft Coupler Body: FC20 Coupling Size, 2 in Outside Dia, 3 11/16 in Coupling Overall Lg (MPN FC20-15/16)
BOSTON GEAR
BOSTON GEAR Shaft Coupler Body: FC20 Coupling Size, 2 in Outside Dia, 3 11/16 in Coupling Overall Lg (MPN FC20-15/16)

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