20B-2X76T Pilot Bore Sprocket
20B duplex pilot bore sprocket with 76 teeth.
Description
20B duplex pilot bore sprocket, 76 teeth. All catalogue specifications and dimensions are shown in Additional Information.
Additional information
| Chain Size | 20B |
|---|---|
| Chain Imperial Size | 1.1/4” x 3/4” |
| Strand | Duplex |
| Teeth | 76 |
| Outer Diameter (de) | 783.5 mm |
| Pitch Diameter (dp) | 768.32 mm |
| Hub Diameter (dm) | 180 mm |
| Hub Length Through Bore (A) | 100 mm |
| Stock Bore (D1) | 56 mm |
| Type | Type 2 (GG22) |
| Tooth Radius r3 | 32 mm |
| Pitch | 31.75 mm |
| Chamfer c | 3.5 mm |
| Width Between Inner Plates | 19.56 mm |
| Roller Diameter | 19.05 mm |
| Tooth Width B1 | 18.5 mm |
| Tooth Width B2 | 54.6 mm |
| Tooth Width B3 | 91 mm |
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