INNER RACK REAR ROLLER BEARING, 1-9/32" OD X 1/2"ID X 5/16" WIDE, HAS SHOULDER BUSHING ADDED & 3/8"-16 X 1-1/4" HH BOLT & NUT, 2EA 3/8" WASHERS. SOUTHBEND BROILER 170A, 170D, 171A, 171D, 171-40A, 171-40C, 171-40D, 270A, 270D.