• Morse Mechanical Clutches offer the most complete and versatile selection of backstop, overriding, and index Clutches in the industry
• PB series clutch features precision formed cams providing high torque capacities with excellent wear life. These models are suitable for general duty applications.
• A bonze seal maintains race concentricity. They a asymmetrical by design, so must be ordered according to rotation requirements.

Technical Specifications

Snap Ring (Not Furnished)	RS175
Model	PB-8A
Groove Width	.056/.076
Length to Groove	1.315/1.320
RPM Max. - Inner Race	1600
Keyway	1/4 x 1/8
Configuration	LH
Hub Diameter (in)	1.625 in
RPM Max. - Outer Race	650
Groove Diameter	1.696/1.686
Length to Snap Ring Groove (in)	1.75 in
Lubrication Type	Grease
Overall Diameter (in)	3.25 in
Type	CAM Clutches
Keyway Length (in)	1.0625 in
Overall Width (in)	3.5625 in
Mounting Diameter (in)	1.750/1.749 in
Mounting Length (in)	1.4375 in
Major Diameter Width (in)	1.6875 in
Key for Bore Size	1/4 x 1/8
Add'l Bearing Support Requirement	No
Product Type	PB Series
Overrunning Clutch	Yes
Bore Size (in)	1 in
Indexing Clutch	Yes
Backstopping Clutch	Yes
Rated Torque Capacity (ft.-lbs.)	450

General Specifications

UPC	662288408123
Weight	4.14 LB
Packaged Length	4.40 IN
Packaged Width	4.80 IN
Packaged Height	4.40 IN
HTC	8483.60.4040
Country of Origin	Mexico