Attribute Value: 200-2 Chain; 60 Teeth; 2 Rows of Teeth; No Hardened Teeth; 49.202" Outside Dia; 47.768" Pitch Dia; C-Hub Both Sides; Rough Bore Mount; 2-1/2" Chain Pitch; ANSI Roller Chain Type; No Keyway; Steel Material; 7" Max Bore . Names (Page 1)