20B-2X31T Pilot Bore Sprocket
20B duplex pilot bore sprocket with 31 teeth.
Description
20B duplex pilot bore sprocket, 31 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 | 31 |
| Outer Diameter (de) | 329 mm |
| Pitch Diameter (dp) | 313.85 mm |
| Hub Diameter (dm) | 150 mm |
| Hub Length Through Bore (A) | 80 mm |
| Stock Bore (D1) | 30 mm |
| Type | Type 1 (C45) |
| 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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