Taco Pro Fit BRG-G-200 Bearing Assembly. Taco's in-line circulator line Pro Fit is an efficient and cost effective replacement to Armstrong line of circulators. This bracket can replace the Armstrong pump H63, H64, H65, H66, H67, H68, 1060 1 1/2D, 2D & 3D bearing assemblies 816366-011, 816861-011.