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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Dia. | 25 mm to 34 mm |
| Chain Size | #20B-1 |
| Hub Dia. | 48.006 mm |
| Length Through Bore | 48 mm |
| Material | Steel |
| No. Of Teeth | 8 |
| Outside Dia. | 103.604 mm |
| Pitch | 31.75 mm |
| Pitch Dia. | 82.967 mm |
| Type | Type B Single Strand Solid Stock Bore |
Shipping Info:
| Ship weight (kg) | 0.9 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 10.36 |
| Ship width (cm) | 10.36 |
| Country of Origin | US |
Product Variants
| Product | Model | Bore Dia. | Pitch Dia. | Outside Dia. | Hub Dia. | Length Through Bore | Pitch | Price | |
|---|---|---|---|---|---|---|---|---|---|
![]() |
20B12 | 25 mm to 63 mm | 122.673 mm | 143.31 mm | 89.992 mm | 48 mm | 31.75 mm | €287.92 | |
![]() |
20B13 | 25 mm to 69 mm | 132.67 mm | 153.307 mm | 98.044 mm | 41 mm | 31.75 mm | €309.77 | |
![]() |
20B16 | 25 mm to 80 mm | 162.745 mm | 183.383 mm | 113.894 mm | 44 mm | 31.75 mm | €416.32 | |
![]() |
20B19 | 32 mm | 192.898 mm | 213.536 mm | 113.995 mm | 51.003 mm | 31.75 mm | €426.35 | |
![]() |
20B22 | 32 mm to 80 mm | 223.097 mm | 243.734 mm | 113.995 mm | 51 mm | 31.75 mm | €488.16 | |
![]() |
20B10 | 25 mm to 48 mm | 102.745 mm | 123.383 mm | 68.986 mm | 48 mm | 31.75 mm | €229.55 | |
![]() |
20B9 | 25 mm to 41 mm | 92.831 mm | 113.468 mm | 57.988 mm | 48 mm | 31.75 mm | €209.04 |
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MARTIN SPROCKET 20B8 Sprocket, 20B-1 Chain, 8 Teeth, 82.967 mm Pitch Dia., 103.604 mm O.D., Steel
€154.54 /unit







