A comparatively flat rigid item, with or without a centrally located aperture, designed to hold an annular bearing or a sleeve bearing in a fitted inclosure. It must have drilled and/or tapped holes for mounting purposes. Excludes:end bell, electrical rotating equipment.
1.000 inches nominal outside diameter, 0.437 inches nominal aperture diameter, 0.190 inches minimum and 0.200 inches maximum countersink diameter, 100.0 degrees nominal countersink angle, 3 bolt circle hole quantity