"CAST IRON; EIGHT 0.340 IN. DIA MOUNTING HOLES THRU OUTER FLANGE; THREE 0.375-16 UNC,RH THREAD HOLES IN MOUNTING BASE; 5.550 IN. APERTURE DIA; COUNTERBORED 6.250 IN. DIA BY 0.530 IN. DEEP FOR OIL SEAL; 1.590 IN. THK; 8.895 IN. OVER ALL W; 73.40 IN. OVER ALL H"