Roller Chain; 0.669" Bore; 40 Chain Size; 17 Teeth; Ball Bearing; 1/2" Chain Pitch; 1 Row of Teeth; Glass Reinforced Nylon

Roller Chain; 5/8" Bore; 40 Chain Size; 18 Teeth; Ball Bearing; 1/2" Chain Pitch; 1 Row of Teeth; Hardened Teeth; Steel

Roller Chain; 1" Bore; 40 Chain Size; 19 Teeth; Needle Bearing; 1/2" Chain Pitch; 1 Row of Teeth; Hardened Teeth; Steel

Roller Chain; 1" Bore; 40 Chain Size; 19 Teeth; Needle Bearing; 1/2" Chain Pitch; 1 Row of Teeth; Steel

Roller Chain; 5/8" Bore; 40 Chain Size; 17 Teeth; Ball Bearing; 1/2" Chain Pitch; 1 Row of Teeth; Hardened Teeth; Steel