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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Dia. | 1.25" to 4.556" |
| Bore Type | Finished Bore |
| Chain Number | 120 |
| Chain Pitch | 1 1/2" |
| Chain Size | #120 |
| Construction | Solid |
| Construction Type | Solid |
| Finished Bore Size | 1 1/4" |
| For Chain Number | 120 |
| For Chain Pitch | 1 1/2" |
| Hub Configuration | A |
| Individually Packaged | No |
| Length Through Bore | 0.924" , 7/8" |
| Material | Steel |
| Min. Bore Size | 1 1/4" |
| No. Of Chain Rows | 1 |
| No. Of Teeth | 13 |
| Outside Dia. | 6.986" |
| Pitch | 1 1/2" |
| Pitch Dia. | 6.2679" |
| Product Datasheet | martin-sprocket-100a10.pdf |
| Single Strand Tooth Thickness | 0.924" |
| Storage Dimension Height | 0.924" |
| Storage Dimension Length | 6.986" |
| Storage Dimension Width | 6.986" |
| Type | Type A Single Strand Solid Reboreable |
Shipping Info:
| Ship weight (kg) | 3.02 |
| Ship height (cm) | 2.34 |
| Ship length (cm) | 17.75 |
| Ship width (cm) | 17.75 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Pitch Dia. | No. Of Teeth | Length Through Bore | Bore Dia. | Storage Dimension Length | Storage Dimension Width | Min. Bore Size | Finished Bore Size | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
120A8 | 3.9197" | 8 | 0.924" | 1.25" to 2.091" | 4.521" | 4.521" | 1 1/4" | 1 1/4" | €161.91 | |
![]() |
120A9 | 4.3857" | 9 | 0.924" | 1.25" to 2.591" | 5.022" | 5.022" | 1 1/4" | 1 1/4" | €162.95 | |
![]() |
120A10 | 4.8541" | 10 | 0.924" | 1.25" to 3.087" | 5.517" | 5.517" | 1 1/4" | 1 1/4" | €170.00 | |
![]() |
120A11 | 5.3242" | 11 | 0.924" | 1 1/4" | 6.009" | 6.009" | 1 1/4" | 1 1/4" | €183.32 | |
![]() |
120A12 | 5.796" | 12 | 0.924" | 1 1/4" | 6.498" | 6.498" | 1 1/4" | 1 1/4" | €205.26 | |
![]() |
120A14 | 6.7409" | 14 | 0.924" | 1.25" to 5.042" | 7.472" | 7.472" | 1 1/4" | 1 1/4" | €229.93 | |
![]() |
120A15 | 7.2146" | 15 | 0.924" | 1.25" to 5.527" | 7.957" | 7.957" | 1 1/4" | - | €246.00 |
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Contact us
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MARTIN SPROCKET 120A13 Sprocket, 120 Chain, 13 Teeth, 6.268 Inch Pitch Dia., 6.986 Inch O.D., Steel
€217.14 /unit







