Attributes . 200-2 Chain; 11 Teeth; 2 Rows of Teeth; Hardened Teeth; 10.015" Outside Dia; 8-7/8" Pitch Dia; B-Hub One Side; Rough Bore Mount; 2-1/2" Chain Pitch; ANSI Roller Chain Type; No Keyway; Steel Material; 3-3/4" Max Bore . Names