Overview Product Description CENTURY 615467-002 NARROW RING 48-56 FRAME ADAPTER 1-1/2" BAND WIDTH Adapter converts 5-1/2" diameter Century Fan Motors to 6-1/2" diameter. The adapter can be easily mounted on standard off-the-shelf Centry 48 Frame (5-1/2") Fan and Blower Motors. The motor, with adapter mounted, can be used to replace most old standard and special 56 Frame (6-1/2") Fan Motors. Product Videos Custom Field Product Reviews