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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Dia. | 1 3/8" |
| Bore Type | Finished Bore |
| Chain Number | 120 |
| Chain Pitch | 1 1/2" |
| Chain Size | #120 |
| Construction | Solid |
| Construction Type | Solid |
| Finished Bore Size | 1 3/8" |
| For Chain Number | 120 |
| For Chain Pitch | 1 1/2" |
| Hub Configuration | B |
| Hub Dia. | 4 1/8" |
| Hub Outside Dia. | 4 1/8" |
| Individually Packaged | No |
| Length Through Bore | 2 1/8" |
| Length Thru Bore | 2 1/8" |
| Material | Steel |
| Max. Bore Size | 2 3/4" |
| Min. Bore Size | 1 3/8" |
| No. Of Chain Rows | 1 |
| No. Of Teeth | 12 |
| Outside Dia. | 6.498" |
| Pitch | 1 1/2" |
| Pitch Dia. | 5.7956" , 5.796" |
| Single Strand Tooth Thickness | 0.924" |
| Storage Dimension Height | 2 1/8" |
| Storage Dimension Length | 6 1/2" |
| Storage Dimension Width | 6 1/2" |
| Type | Stock Bore Type B |
Shipping Info:
| Ship weight (kg) | 4.46 |
| Ship height (cm) | 5.41 |
| Ship length (cm) | 16.51 |
| Ship width (cm) | 16.51 |
| Country of Origin | US |
Product Variants
| Product | Model | Pitch Dia. | No. Of Teeth | Length Through Bore | Hub Dia. | Bore Dia. | Storage Dimension Length | Storage Dimension Width | Storage Dimension Height | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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120B9 | 4.3857" | 9 | 2 1/4" | 3 3/8" | 1 3/8" | 5.02" | 5.02" | 2 1/4" | €212.04 | |
![]() |
120B10 | 4.8541" | 10 | 2 1/8" | 3 3/4" | 1 3/8" | 5 13/25" | 5 13/25" | 2 1/8" | €232.43 | |
![]() |
120B11 | 5.3242" | 11 | 2 1/8" | 3.563" | 1 3/8" | 6.01" | 6.01" | 2 1/8" | €256.97 | |
![]() |
120B13 | 6.2679" | 13 | 2 1/4" | 4.563" | 1 3/8" | 6.99" | 6.99" | 2 1/4" | €279.14 | |
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120B14 | 6.741" | 14 | 2 1/4" | 4 3/4" | 1 3/8" to 3 1/4" | 7.47" | 7.47" | 2 1/4" | €307.56 | |
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120B15 | 7.215" | 15 | 2 3/8" | 4 3/4" | 1 1/4" | 7 24/25" | 7 24/25" | 2 3/8" | €357.48 | |
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120B16 | 7.689" | 16 | 2 3/8" | 5 1/4" | 1 1/4" | 8 11/25" | 8 11/25" | 2 3/8" | €383.76 |
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MARTIN SPROCKET 120B12 Roller Chain Sprocket, 120 Chain, Stock Bore, 12 Teeth, 5.796 Inch Pitch Dia., Steel
€290.91 /unit







