4-BOLT FABRICATED HUB FOR ROTARY CUTTERS - NO BUSHINGS

Has four bolt holes on 5" circle. Includes 1/2" - 20 wheel studs, lock washers, nuts, and grease zerk. Uses two oil impregnated bushings.. See B58, B34 or B1 for bushings. Hub with Bushings installed available as follows: 688-28012 with 3/4" Bushings 688-28016 with 1" Bushings