Roller Chain Sprocket; 20B-2 Chain; 20 Teeth; 2 Row of Teeth; No Hardened Teeth; 219.532MM Outside Diameter; 202.96MM Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 31.75MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 20B-2 Chain; 21 Teeth; 2 Row of Teeth; No Hardened Teeth; 229.718MM Outside Diameter; 213.03MM Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 31.75MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 20B-2 Chain; 50 Teeth; 2 Row of Teeth; No Hardened Teeth; 523.723MM Outside Diameter; 505.65MM Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 31.75MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 20B-2 Chain; 52 Teeth; 2 Row of Teeth; No Hardened Teeth; 543.941MM Outside Diameter; 525.85MM Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 31.75MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 20B-2 Chain; 57 Teeth; 2 Row of Teeth; No Hardened Teeth; 594.512MM Outside Diameter; 576.35MM Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 31.75MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material