28B-2X8T Pilot Bore Sprocket
28B duplex pilot bore sprocket with 8 teeth.
Description
28B duplex pilot bore sprocket, 8 teeth. All catalogue specifications and dimensions are shown in Additional Information.
Additional information
| Chain Size | 28B |
|---|---|
| Chain Imperial Size | 1.3/4” x 1.1/4” |
| Strand | Duplex |
| Teeth | 8 |
| Outer Diameter (de) | 132 mm |
| Pitch Diameter (dp) | 116.15 mm |
| Hub Diameter (dm) | 74 mm |
| Hub Length Through Bore (A) | 120 mm |
| Stock Bore (D1) | 30 mm |
| Type | Type 1 (C45) |
| Tooth Radius r3 | 44 mm |
| Pitch | 44.45 mm |
| Chamfer c | 5 mm |
| Width Between Inner Plates | 30.99 mm |
| Roller Diameter | 27.94 mm |
| Tooth Width B1 | 29.4 mm |
| Tooth Width B2 | 88.4 mm |
| Tooth Width B3 | 148 mm |



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