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Product Specifications:
| Item | Sprocket |
| Bore Dia. | 1" |
| Chain Size | #815 |
| Key Way Size | 1/4" x 1/8" |
| Length Through Bore | 1 11/16" |
| Material | Cast Iron |
| No. Of Teeth | 21 |
| Outside Dia. | 5 3/25" , 5.12" |
| Pitch Dia. | 5.089" |
| Product Datasheet | martin-sprocket-100a10.pdf |
| Screw Size | 5/16"-18 x 5/16" |
| Series | 800 Series |
| Type | Arm Body Bored to Size |
Shipping Info:
| Ship weight (kg) | 2.79 |
| Ship height (cm) | 4.29 |
| Ship length (cm) | 13 |
| Ship width (cm) | 13 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Pitch Dia. | No. Of Teeth | Length Through Bore | Bore Dia. | Chain Size | Material | Type | Key Way Size | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
815BS25 1 | 6.032" | 25 | 1 11/16" | 1" | #815 | Cast Iron | Arm Body Bored to Size | 1/4" x 1/8" | €379.39 | |
![]() |
815BS19 1 | 4.62" | 19 | 1 11/16" | 1" | #815 | Cast Iron | Arm Body Bored to Size | 1/4" x 1/8" | €322.23 | |
![]() |
815BS23 1 | 5 14/25" | 23 | 1 11/16" | 1" | #815 | Cast Iron | Arm Body Bored to Size | 1/4" x 1/8" | €364.64 | |
![]() |
815BS23 1 1/4 | 5 14/25" | 23 | 1 11/16" | 1 1/4" | #815 | Cast Iron | Arm Body Bored to Size | 1/4" x 1/8" | €364.64 | |
![]() |
815BS23 1 3/16 | 5 14/25" | 23 | 1 11/16" | 1 3/16" | #815 | Cast Iron | Arm Body Bored to Size | 1/4" x 1/8" | €364.64 | |
![]() |
815BS23 1 1/8 | 5 14/25" | 23 | 1 11/16" | 1 1/8" | #815 | Cast Iron | Arm Body Bored to Size | 1/4" x 1/8" | €364.64 | |
![]() |
815BS23 7/8 | 5 14/25" | 23 | 1 11/16" | 7/8" | #815 | Cast Iron | Arm Body Bored to Size | 1/4" x 1/8" | €364.64 |
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MARTIN SPROCKET 815BS21 1 Sprocket, 1 Inch Bore Size, 5.120 Inch Outside Dia., 21 Teeth, Cast Iron
€348.99 /unit



