Internally sleeved dog bone bushing for hammer mill swing arm pivots. The elastomer wall damps impact shock from rotor operation and compensates for pivot mis-alignment. Fits most 36" and 42" mill configurations.
Every Blue Bushings part bonds a rigid inner sleeve and outer sleeve to a high-grade elastomer wall. The elastomer absorbs all movement — no metal-on-metal contact, no grease fittings, no lube intervals. Installation is a straight press fit with no outer sleeve removal. Read the full design explainer →