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 Head Thickness (mm): 19.8 Head Thickness (in): 0.78 Pilot Outside Diameter (mm): 31.2 Pilot Outside Diameter (in): 1.23 Inside Diameter (mm): 13.6 Inside Diameter (in): 0.53 Mount Height (mm): 26.2 Mount Height (in): 1.03 Bonded Sleeve: No Standard Bolt Size: M12