it is a direct replacement for Heatcraft 5521R and various equivalent parts found in Bohn

including the Aruba (AWR) series

the specifications and mounting patterns are identical

and ensure proper system communication between components

4 Cv rating

Lovejoy 68514411516 Hub Refrigerant it is a direct replacementInstall the Lovejoy 68514411516 Hub for reliable power transmission in light to medium duty industrial applications. This L100 jaw coupling hub is manufactured from high strength sintered iron, providing a durable, fail safe connection that maintains operation even if the elastomeric spider fails. Featuring a 1 inch finished bore with a standard 1 4" x 1 8" keyway and a 5 16 18 set screw, this hub ensures a secure, slip free attachment to the drive