3-7/8" Shaft Lovejoy® SX255-6 Series Disc Coupling Hub SX255-6-HUB-3-7/8-1"X1/2KW

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Product Description

Note: SX Type Hubs are interchangeable for both the SU and SX style disc couplings (but not SXC style).

The SU Type coupling has a single flex plane, and is comprised of a single disc pack kit with two hubs.

It is suitable for angular and axial misalignment only.

Two SU couplings are often combined with a shaft to make a floating shaft coupling.

The shaft can be hollow for long light weight floating shaft couplings.

The SX Type is the standard coupling type that includes two hubs, a stock length spacer designed to meet industry standard lengths, and two unitized disc packs.

The coupling has two flex planes, one at each disc pack, allowing this coupling to accommodate parallel, angular, and axial misalignment with specified limits.

The coupling is available in 4, 6, and 8 bolt designs and bore sizes up to 13 inches (330mm) on the largest size.

Custom spacer lengths can be manufactured to meet special shaft separations required for specific applications.

The SX coupling can be fitted with overload bushings to protect the disc packs in over torque conditions and can act as an anti-flail device.

SX couplings are assembled at the time of installation on the equipment where the coupling will be in service.

Timkens Quick Flex® Elastomeric Coupling Configurator helps you quickly size Quick Flex coupling solutions for common applications.

By entering motor power (HP or kW), speed (rpm), and service factors, the configurator presents available Quick Flex coupling options, supporting faster selection and quoting.

Access the Quick Flex® Coupling Configurator to speed up your next coupling selection.

Timken Lovejoy Master Catalog

SX 6 Bolt Installation Guide

Product Videos

Custom Field

Series SX255-6

Shaft diameter 3-7/8"

Material AISI 1045

Keyway size 1 x 1/2"

Coupling type Disc coupler

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