Advanced Antivibration Components (New Hyde Park, NY) offers the V12Z55M062M Series bell-shaped rubber mountings to dampen shock and vibration for loads up to 887 kgf (1956 lbf). They are made from a combination of natural rubber and styrene-butadiene rubber compound for pliability and elasticity. Of the 12 isolators in the series, two have a four-hole mounting and ten have a two-hole mount configuration. They all feature a welded steel-plated nut at the top of the housing. Typical applications include use under controllers, large pumps, fans, motors, compressors, and other medium-load equipment.