GENERAL CHARACTERISTICS ITEM DESCRIPTION | INNER AND OUTER RACE STEEL ALLOY AISI 8660,ROLLERS ALLOY STEEL TYPE 52100,136 INTERNAL GEAR TEETH,17.000 IN. PITCH DIA,25 DEG PRESSURE ANGLE,1.750 IN THK,4 0.262 IN. DIA BOLT HOLES EQUALLY SPACED ON 21.500 IN. DIA BOLT CIRCLE,20 0.375-16UNC-2B THD HOLES ON 18.375 IN. DIA BOLT CIRCLE EQUALLY SPACED,20 0.406-0.411 IN. DIA BOLT HOLES EQUALLY SPACED ON A 21.625 IN. DIA BOLT CIRCLE |