These bearings have a .757" ID to slip over your 3/4" steering shaft and are in a lightweight aluminum bracket to allow easy installation of your firewall.
From center of bearing to center of mounting hole is 1.456" or approximately 1-1/2". This produces about a 3" mounting circle for the 3 mounting holes.
Max misalignment is 25 deg. Bearing assembly is flat on one side and measures approx 13/16" back to front.