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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Dia. | 1.25" to 2.315" |
| Bore Type | Finished Bore |
| Chain Number | 100 |
| Chain Pitch | 1 1/4" |
| Chain Size | #100 |
| Construction | Solid |
| Construction Type | Solid |
| Finished Bore Size | 1" |
| For Chain Number | 100 |
| For Chain Pitch | 1 1/4" |
| Grade | Grade 303, Grade304 |
| Hub Configuration | B |
| Hub Dia. | 4" |
| Hub Outside Dia. | 4" |
| Hub Recessed For Chain | 1 |
| Individually Packaged | No |
| Length Through Bore | 1 7/8" |
| Length Thru Bore | 1 7/8" |
| Material | Stainless Steel |
| Max. Bore Size | 2.315" |
| Min. Bore Size | 1 1/4" |
| No. Of Chain Rows | 1 |
| No. Of Teeth | 12 |
| Outside Dia. | 5.415" |
| Pitch | 1 1/4" |
| Pitch Dia. | 4.83" |
| Single Strand Tooth Thickness | 0.692" |
| Storage Dimension Height | 1 7/8" |
| Storage Dimension Length | 5.821" |
| Storage Dimension Width | 5.821" |
| Type | Type B Single Strand Solid Reboreable |
Shipping Info:
| Ship weight (kg) | 2.88 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 13.77 |
| Ship width (cm) | 13.77 |
| Country of Origin | US |
Product Variants
| Product | Model | Material | Pitch Dia. | No. Of Teeth | Length Through Bore | Hub Dia. | Bore Dia. | Storage Dimension Length | Storage Dimension Width | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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100B8 | Steel | 3.2664" | 8 | 1 7/8" | 2.438" | 1" | 3.77" | 3.77" | €96.50 | |
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100B9 | Steel | 3.6548" | 9 | 1 7/8" | 2.813" | 1" | 4.18" | 4.18" | €122.36 | |
![]() |
100B10 | Steel | 4.0451" | 10 | 1 7/8" | 3 1/4" | 1" | 4 3/5" | 4 3/5" | €126.39 | |
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100B11 | Steel | 4.4368" | 11 | 1 7/8" | 3.563" | 1" | 5.01" | 5.01" | €146.79 | |
![]() |
100B12 | Steel | 4.83" | 12 | 1 7/8" | 4" | 1" | 5.42" | 5.42" | €158.52 | |
![]() |
100B13 | Steel | 5.2232" | 13 | 1 5/8" | 3 7/8" | 1" | 5.82" | 5.82" | €170.53 | |
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100B14 | Steel | 5.6174" | 14 | 1 5/8" | 4.188" | 1 1/4" | 6.23" | 6.23" | €183.86 |
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MARTIN SPROCKET 100B12SS Roller Chain Sprocket, 100 Chain, 12 Teeth, 4.830 Inch Pitch Dia., 5.415 Inch O.D., SS
€907.45 /unit







