#11 x 3-7/8" Shaft Sure-Flex® Coupling Half 11S-FLNG-3-7/8-1"X1/4KW-SP KW

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Product Description

S flanges are made of high strength cast iron and are bored-to- size for a slip fit on standard shafts.

S flanges are easy to install, are readily available from stock in a wide range of popular bore sizes, and are supplied with two set screws at 90°.

The S Type coupling consists of two flanges and one sleeve.

Sizes 13, 14 and 16 RSB flanges are suitable for reboring and have two set screws at 90°.

Sizes 5-12 RSB flanges have no set screws.

Metric Bore / Keyway per DIN specifications.

Spacing between shafts should be greater than 1/8 inch and less than OAL minus the sum of the two bore dimensions.

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

S-Flex Coupling Installation Guide

Product Videos

Custom Field

Shaft diameter 3-7/8"

Series #11

Material Cast iron

Keyway size 1 x 1/4"

Coupler type Sure-flex coupler

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