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Product Specifications:
| Item | Sprocket |
| Bore Dia. | 1" |
| Chain Size | #820 |
| Key Way Size | 1/4" x 1/8" |
| Length Through Bore | 1 11/16" |
| Material | Cast Iron |
| No. Of Teeth | 23 |
| Pitch Dia. | 5 14/25" |
| Screw Size | 5/16"-18 x 5/16" |
| Series | 800 Series |
| Type | Arm Body Bored to Size |
Shipping Info:
| Ship weight (kg) | 2.83 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 14.2 |
| Ship width (cm) | 14.2 |
| Country of Origin | US |
Product Variants
| Product | Model | Pitch Dia. | No. Of Teeth | Length Through Bore | Bore Dia. | Chain Size | Material | Type | Key Way Size | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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820BS25 1 | 6.032" | 25 | 1.688" | 1" | 820 | Cast Iron | Arm Body Bored to Size | 1/4" x 1/8" | €379.39 | |
![]() |
820BS27 1 | 6.504" | 27 | 1 11/16" | 1" | #820 | Cast Iron | Arm Body Bored to Size | 1/4" x 1/8" | €439.61 | |
![]() |
820BS25 1 3/16 | 6.032" | 25 | 1 11/16" | 1 3/16" | #820 | Cast Iron | Arm Body Bored to Size | 1/4" x 1/8" | €379.39 | |
![]() |
820BS21 1 | 5.089" | 21 | 1 11/16" | 1" | #820 | Cast Iron | Arm Body Bored to Size | 1/4" x 1/8" | €348.99 | |
![]() |
820BS23 1 1/8 | 5 14/25" | 23 | 1 11/16" | 1 1/8" | #820 | Cast Iron | Arm Body Bored to Size | 1/4" x 1/8" | €364.64 | |
![]() |
820BS23 7/8 | 5 14/25" | 23 | 1 11/16" | 7/8" | #820 | Cast Iron | Arm Body Bored to Size | 1/4" x 1/8" | €364.64 | |
![]() |
820BS25 1 1/4 | 6.032" | 25 | 1 11/16" | 1 1/4" | #820 | Cast Iron | Arm Body Bored to Size | 1/4" x 1/8" | €379.39 |
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MARTIN SPROCKET 820BS23 1 Sprocket, 1 Inch Bore Size, 5.590 Inch Outside Dia., 23 Teeth, Cast Iron
€364.64 /unit







