Martin D20B27 Type B Double Strand Stock Bore Welded Roller Chain Sprocket, 32 to 98 mm Dia Bore, 294.125 mm OD, #20B-2 Chain, 27 Teeth, 31.75 mm Pitch, High Carbon Steel
Martin metric double strand solid construction sprockets have proper spacing between chain rows. The sprockets are manufactured from high carbon steel. Martin does not stack "A" plates on multiples, but instead Martin machines teeth after the chain rows are already in place. These plain bore sprockets can easily be bored to a metric or standard size to fit your application. Keyways, set screws and harden teeth are quick alterations that can be made.
Martin Roller Chain Sprocket, Type B Double Strand Stock Bore Welded, 32 to 98 mm Bore, 294.125 mm OD, #20B-2 Chain, 27 Teeth, 31.75 mm Pitch, 273.488 mm Pitch Diameter, 145.009 mm Diameter Hub, 80.01 mm Length Through Bore, High Carbon Steel
| Bore Diameter | : | 32 to 98 mm |
| Outside Diameter | : | 294.125 mm |
| Chain Size | : | #20B-2 |
| Number of Teeth | : | 27 |
| Pitch | : | 31.75 mm |
| Material | : | High Carbon Steel |
| Hub Diameter | : | 145.009 mm |
| Length Through Bore | : | 80.01 mm |
| Pitch Diameter | : | 273.488 mm |
| Type | : | Type B Double Strand Stock Bore Welded |
VIDEO LINK
https://www.youtube.com/watch?v=fSomOMNB_-Q