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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Dia. | 30 mm |
| Chain Size | #20B-1 |
| Length Through Bore | 51 mm |
| Material | Steel |
| No. Of Teeth | 20 |
| Outside Dia. | 223.598 mm |
| Pitch | 31.75 mm |
| Pitch Dia. | 202.96 mm |
| Type | Type A Single Strand Solid Stock Bore |
Shipping Info:
| Ship weight (kg) | 4.54 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 22.35 |
| Ship width (cm) | 22.35 |
| Country of Origin | US |
Product Variants
| Product | Model | Pitch Dia. | No. Of Teeth | Length Through Bore | Bore Dia. | Material | Pitch | Chain Size | Price | |
|---|---|---|---|---|---|---|---|---|---|---|
![]() |
20A15 | 152.709 mm | 15 | 44 mm | 25 mm | Steel | 31.75 mm | #20B-1 | €171.67 | |
![]() |
20A28 | 283.572 mm | 28 | 51 mm | 32 mm | Steel | 31.75 mm | #20B-1 | €400.12 | |
![]() |
20A44 | 445.057 mm | 44 | 64 mm | 32 mm | Steel | 31.75 mm | #20B-1 | €769.64 | |
![]() |
20A10 | 102.745 mm | 10 | 48 mm | 25 mm | Steel | 31.75 mm | #20B-1 | €160.41 | |
![]() |
20A48 | 485.451 mm | 48 | 64 mm | 32 mm | Steel | 31.75 mm | #20B-1 | €884.28 | |
![]() |
20A84 | 849.13 mm | 84 | 95 mm | 25 mm | Steel | 31.75 mm | #20B-1 | €2,150.96 | |
![]() |
20A19 | 192.898 mm | 19 | 51 mm | 30 mm | Steel | 31.75 mm | #20B-1 | €230.90 |
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MARTIN SPROCKET 20A20 Sprocket, 20B-1 Chain, 20 Teeth, 202.960 mm Pitch Dia., 223.598 mm O.D., Steel
€248.02 /unit




