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Product Specifications:
| Item | Sprocket |
| Length Through Bore | 1 11/16" |
| Material | Cast Iron |
| No. Of Teeth | 31 |
| Outside Dia. | 7.53" |
| Product Datasheet | martin-sprocket-100a10.pdf |
| Series | 800 Series |
Shipping Info:
| Ship weight (kg) | 3.74 |
| Ship height (cm) | 4.29 |
| Ship length (cm) | 19.13 |
| Ship width (cm) | 19.13 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Outside Dia. | Number Of Teeth | Pitch Dia. | Length Through Bore | Type | Price | |
|---|---|---|---|---|---|---|---|---|
![]() |
820A25 | 6.07" | - | - | 1 11/16" | Arm Body | €267.81 | |
![]() |
820A21 | 5.12" | 21 | 5.089" | 1 11/16" | Arm Body | €250.39 | |
![]() |
820A13B | 3.11" | 13 | 3.228" | 1 11/16" | Block Body | €196.81 | |
![]() |
820A23 | 5.59" | 23 | 5 14/25" | 1 11/16" | Arm Body | €265.96 | |
![]() |
820A24 | 5.83" | 24 | - | 1 11/16" | Arm Body | €267.81 | |
![]() |
820A19 | 4.61" | 19 | 4.62" | 1 11/16" | Arm Body | €233.87 | |
![]() |
820A20 | 4.86" | - | - | 1 11/16" | Arm Body | €250.39 |
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Contact us
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We're available Monday through Friday, from 07:30 until 17:00.
MARTIN SPROCKET 820A31 Sprocket, 31 Teeth, Cast Iron
€410.60 /unit



