Rotary 9702. ROLLER CAGE BEARING WITH BUSHINGS ONLY. FITS SCAG # 481551 FRONT CASTER WHEEL ASSEMBLY. ROLLER CAGE BEARING OD 1-1/4" (31.75MM), ID 21/32" (16.66MM), LENGTH 15/16" (23.81MM). RETAINER BUSHINGS OD 1-3/8" (34.93MM), ID 5/8" (15.86MM), HEIGHT 1/2" (12.70MM