Hub, Elastomeric Coupling; 1-3/8" Bore; 4" Outside Diameter; 3-5/8" Hub Diameter; Shaft; Finished Bore; 1.77" Length Thru Bore; 20R Size or Series; No Bushing; Keyway; Steel Material; 4500 Maximum Speed; 2800In-Lbs Torque

Hub, Elastomeric Coupling; 1-1/8" Bore; 1.85" Outside Diameter; 1-1/2" Hub Diameter; Shaft; Finished Bore; 15/16" Length Thru Bore; E2 Size or Series; No Bushing; Keyway; Steel Material; 7500 Maximum Speed; 190In-Lbs Torque

8-1/4" Outside Diameter; Elastomeric Coupling Type; Spacer Element; Polyurethane; 2.05" Between Shaft Ends; ES30 Size or Series; 5800 Max Speed; 3650In-Lbs Torque

4.56" Outside Diameter; Elastomeric Coupling Type; Element; Polyurethane; 7/16" Between Shaft Ends; E4 Size or Series; 7500 Max Speed; 550In-Lbs Torque

4.56" Outside Diameter; Elastomeric Coupling Type; Spacer Element; Polyurethane; 3-1/2" Between Shaft Ends; 7-1/4" Width; ES4-R Size or Series; 7500 Max Speed; 550In-Lbs Torque