Isolation mounts are used to attach and position systems, accommodate displacement, and isolate components from the surrounding structure (vibration, shock, noise). Mount Type: Two-Piece - Symmetric Head Outside Diameter (mm): 47.8 Head Outside Diameter (in): 1.88 Pilot Outside Diameter (mm): 31.7 Pilot Outside Diameter (in): 1.25 Inside Diameter (mm): 13.5 Inside Diameter (in): 0.53 Bonded Sleeve: No