• 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

Length to Snap Ring Groove (in)	1.625 in
Lubrication Type	Grease
Length to Groove	1.215/1.220
RPM Max. - Inner Race	1800
Hub Diameter (in)	1.375 in
Type	CAM Clutches
Mounting Diameter (in)	1.375/1.374 in
Overall Diameter (in)	2.875 in
Keyway Length (in)	1 in
Keyway	3/16 x 3/32
Key for Bore Size	3/16 x 3/32
Overall Width (in)	3.1875 in
Model	PB-6A
RPM Max. - Outer Race	900
Mounting Length (in)	1.3125 in
Snap Ring (Not Furnished)	RS137
Configuration	LH
Groove Width	.048/.068
Groove Diameter	1.327/1.319
Major Diameter Width (in)	1.5625 in
Add'l Bearing Support Requirement	No
Backstopping Clutch	Yes
Product Type	PB Series
Bore Size (in)	0.75 in
Rated Torque Capacity (ft.-lbs.)	300
Overrunning Clutch	Yes
Indexing Clutch	Yes

General Specifications

UPC	662288408086
Weight	3.03 LB
Packaged Length	4.70 IN
Packaged Width	4.30 IN
Packaged Height	4.20 IN
HTC	8483.60.4040
Country of Origin	Mexico