• 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
Type	CAM Clutches
Keyway	1/4 x 1/8
Model	PB-8A
RPM Max. - Inner Race	1600
Lubrication Type	Grease
Keyway Length (in)	1.0625 in
Groove Diameter	1.696/1.686
Mounting Diameter (in)	1.750/1.749 in
Overall Diameter (in)	3.25 in
RPM Max. - Outer Race	650
Overall Width (in)	3.5625 in
Hub Diameter (in)	1.625 in
Key for Bore Size	1/4 x 1/8
Major Diameter Width (in)	1.6875 in
Groove Width	.056/.076
Length to Snap Ring Groove (in)	1.75 in
Configuration	RH
Length to Groove	1.315/1.320
Mounting Length (in)	1.4375 in
Add'l Bearing Support Requirement	No
Rated Torque Capacity (ft.-lbs.)	450
Backstopping Clutch	Yes
Product Type	PB Series
Bore Size (in)	1 in
Indexing Clutch	Yes
Overrunning Clutch	Yes

General Specifications

UPC	662288408116
Weight	4.14 LB
Packaged Length	4.70 IN
Packaged Width	4.40 IN
Packaged Height	4.30 IN
HTC	8483.60.4040
Country of Origin	Mexico