12B-2X12T Pilot Bore Sprocket
12B duplex pilot bore sprocket with 12 teeth.
Description
12B duplex pilot bore sprocket, 12 teeth. All catalogue specifications and dimensions are shown in Additional Information.
Additional information
| Chain Size | 12B |
|---|---|
| Chain Imperial Size | 3/4” x 7/16” |
| Strand | Duplex |
| Teeth | 12 |
| Outer Diameter (de) | 81.5 mm |
| Pitch Diameter (dp) | 73.6 mm |
| Hub Diameter (dm) | 53 mm |
| Hub Length Through Bore (A) | 50 mm |
| Stock Bore (D1) | 16 mm |
| Type | Type 1 (C45) |
| Tooth Radius r3 | 19 mm |
| Pitch | 19.05 mm |
| Chamfer c | 2 mm |
| Width Between Inner Plates | 11.68 mm |
| Roller Diameter | 12.07 mm |
| Tooth Width B1 | 11.1 mm |
| Tooth Width B2 | 30.3 mm |
| Tooth Width B3 | 49.8 mm |
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