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

3-1/2" Outside Diameter; Elastomeric Coupling Type; Element; Polyurethane; 1.34" Between Shaft Ends; 5.089" Width; E2 Size or Series; 7500 Max Speed; 190In-Lbs Torque

5-3/8" Outside Diameter; Elastomeric Coupling Type; Element; Polyurethane; 0.81" Between Shaft Ends; E5 Size or Series; 7500 Max Speed; 925In-Lbs Torque

4" Outside Diameter; Elastomeric Coupling Type; Element; Polyurethane; 0.81" Between Shaft Ends; E3 Size or Series; 7500 Max Speed; 365In-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