Martin DS50ATB21H Type A Double Single Strand Bushed Roller Chain Sprocket With Hardened Teeth, 1/2 to 2 in Dia Bore, 4.522 in OD, #50 Chain, 21 Teeth, 5/8 in Pitch, Steel
Double single sprockets are precision machined steel sprockets and run with two single chains. They are stocked in minimum plain bore, taper bushed and Martin split taper style. The minimum plain bores can be quickly modified for your specific application.
Martin Roller Chain Sprocket, Type A Double Single Strand Bushed, 1/2 to 2 in Bore, 4.522 in OD, #50 Chain, 21 Teeth, 5/8 in Pitch, 4.1934 in Pitch Diameter, 3.484 in Diameter Hub, 1.656 in Length Through Bore, TB 2012 Bushing, Steel
| Bushing Type | : | TB 2012 |
| Bore Diameter | : | 1/2 to 2 in |
| Outside Diameter | : | 4.522 in |
| Chain Size | : | #50 |
| Number of Teeth | : | 21 |
| Pitch | : | 5/8 in |
| Material | : | Steel |
| Length Through Bore | : | 1.656 in |
| Pitch Diameter | : | 4.1934 in |
| Type | : | Type A Double Single Strand Bushed |
| Hub Diameter | : | 3.484 in |
VIDEO LINK
https://www.youtube.com/watch?v=fSomOMNB_-Q