... Chain & Sprocket Double Row Roller Chain 1.ANSI Standard Short Pitch Straight Link plate Roller Chains: C40 - C240 ... ANSI Standard Short Pitch Super Strength Roller Chains4.roller chains: A series(12.7-50.8mm pitches),B ... ,SA-2,SK-A,SK-27.double pitch transmissions v& conveyor chains :2040,2042,2050,2052,2060,2062 ... 212A(2060) with attachment series,9.simplex,double,triplex chains Double Row Roller Chain