Attribute Value: 100 Chain; 26 Teeth; 1 Row of Teeth; No Hardened Teeth; 11.045" Outside Dia; 10.37" Pitch Dia; B-Hub One Side; Bushed Mount; 2517 Bushing; 1-1/4" Chain Pitch; ANSI Roller Chain Type; Keyway; Steel Material . Names (Page 1)