The hourglass shape absorbs side forces better compared with cylindrical vibration isolation mounts.3-75-40-60-1/2-55 Rubber Bumper They feature 2 tapped holes for mounting.JW Winco GN356..
Bolt Circles, 2-Bolt B Flange, 182-184 TC, 213-215 TC, 254-256 TC The bracket is mounted to both the pump and the engine or motor..In order to mount the shaft of a motor or engine to a pump, a jaw coupler and center spider are used.