Roller Chain Sprocket; 12B-3 Chain; 21 Teeth; 3 Row of Teeth; Hardened Teeth; 137.82MM Outside Diameter; 127.82MM Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 19.05MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Roller Chain; 12B-3 Chain Size; Riveted; 19.05MM Chain Pitch; Conveyor Chain Series; 3 Strand; Carbon Steel; ISO; 12.07MM Roller Diameter; 11.66MM Roller Width; 1.85MM Plate Thickness; 16MM Plate Height; Straight; 5.72MM Pin Diameter

Roller Chain Sprocket; 12B-3 Chain; 27 Teeth; 3 Row of Teeth; No Hardened Teeth; 174.422MM Outside Diameter; 164.09MM Pitch Diameter; B-Hub One Side; Bushed Mount; 3020 Bushing; 19.05MM Chain Pitch; ISO Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 12B-3 Chain; 57 Teeth; 3 Row of Teeth; No Hardened Teeth; 356.718MM Outside Diameter; 345.81MM Pitch Diameter; C-Hub Both Sides; Bushed Mount; 3020 Bushing; 19.05MM Chain Pitch; ISO Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 12B-3 Chain; 28 Teeth; 3 Row of Teeth; No Hardened Teeth; 180.492MM Outside Diameter; 170.14MM Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 19.05MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material