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.
4 bolt circle hole quantity, 0.057 inches minimum and 0.059 inches maximum overall thickness, 1.0220 inches nominal aperture diameter, c to c distance between holes 1.499 in.min,1.501 in.max upper width,1.374 in.min,1.374 in.min,1.374 in.1.376 in.max lower w,1.249 in.min,1.251 in.max h,4 holes 45 deg countersink angle;aperture shape round and included;shape:special special features, 0.2850 inches minimum and 0.2950 inches maximum mounting hole diameter