1-1/4" Bore; 2-1/2" Hub Diameter; Chain Coupling; Hub; Shaft; Finished Bore; 3.52" Outside Diameter; 1-7/16" Length Thru Bore; 3/8" Between Shaft Ends; 50 Chain; 16 Teeth; 1-7/16" Width; 5016; Keyway; Steel

3-1/2" Hub Diameter; Chain Coupling; Hub; Shaft; Minimum Plain Bore; 1 To 2-7/16 Bore Range; 4.7" Outside Diameter; 1-7/8" Length Thru Bore; 7/16" Between Shaft Ends; 60 Chain; 18 Teeth; 1-7/8" Width; 6018; No Keyway; Steel

1" Bore; 1-31/32" Hub Diameter; Chain Coupling; Hub; Shaft; Finished Bore; 2.81" Outside Diameter; 1-1/4" Length Thru Bore; 9/32" Between Shaft Ends; 40 Chain; 16 Teeth; 1-1/4" Width; 4016; Keyway; Steel

Jaw Coupling Hub; 5/8" Bore; 2.11" Hub Dia; Jaw Coupling; Hub; Shaft; Finished Bore; Keyway; 2.11" Outside Diameter; 1" Length Thru Bore; L095 Size or Series; Set Screw; Sintered Iron; 9000 Maximum Speed; NBR 194 | Hytrel/Bronze 561 | Urethane 291In-Lbs Torque

Jaw Coupling Hub; 1" Bore; 2.54" Hub Dia; Jaw Coupling; Hub; Shaft; Finished Bore; Keyway; 2.54" Outside Diameter; 1.375" Length Thru Bore; L100 Size or Series; Set Screw; Sintered Iron; 7000 Maximum Speed; NBR 417 | Hytrel/Bronze 1134 | Urethane 626In-Lbs Torque