20B-3X76T Pilot Bore Sprocket
20B triplex pilot bore sprocket with 76 teeth.
Description
20B triplex 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 | Triplex |
| Teeth | 76 |
| Outer Diameter (de) | 783.5 mm |
| Pitch Diameter (dp) | 768.32 mm |
| Hub Diameter (dm) | 200 mm |
| Hub Length Through Bore (A) | 140 mm |
| Stock Bore (D1) | 63 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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