20B-2X57T (4040) Taper Lock Sprocket
Description
20B duplex taper lock sprocket with 57 teeth and taper bush size 4040. Designed for use with 20B roller chain in industrial and agricultural power transmission applications. Please refer to the Additional Information section for the full dimensions and specifications.
Additional information
| Chain Size | 20B |
|---|---|
| Chain Specification | 1.1/4" x 3/4" |
| Strand | Duplex |
| Sprocket Type | Type 3 |
| Reference | 102-57 |
| Teeth | 57 |
| Outer Diameter de (mm) | 591.5 |
| Pitch Diameter dp (mm) | 576.36 |
| Hub Diameter dm (mm) | 215 |
| Hub Length thro' Bore A (mm) | 102 |
| Taper Bush | 4040 |
| Tooth Radius r3 (mm) | 32 |
| Chamfer c (mm) | 3.5 |
| Tooth Width B1 (mm) | 18.5 |
| Tooth Width B2 (mm) | 54.6 |
| Tooth Width B3 (mm) | 91 |
| Chain Pitch (mm) | 31.75 |
| Width Between Inner Plates (mm) | 19.56 |
| Roller Diameter (mm) | 19.05 |
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