FREE delivery on orders over €150
Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Type | Bushed |
| Bushing Part Number | 2517 |
| Bushing Type | 2517 Taper Lock |
| Chain Number | 100 |
| Chain Pitch | 1 1/4" |
| Chain Size | #100 |
| Construction | Welded |
| Construction Type | Welded |
| For Chain Number | 100 |
| For Chain Pitch | 1 1/4" |
| Hub Configuration | B |
| Hub Dia. | 4 1/2" |
| Hub Outside Dia. | 4 1/2" |
| Individually Packaged | No |
| Length Through Bore | 1 3/4" |
| Length Thru Bore | 1 3/4" |
| Material | Steel |
| Max. Bore Size | 2 1/2" |
| Min. Bore Size | 1/2" |
| No. Of Chain Rows | 1 |
| No. Of Teeth | 20 |
| Outside Dia. | 8.642" |
| Pitch | 1 1/4" |
| Pitch Dia. | 7.9906" , 7.991" |
| Single Strand Tooth Thickness | 0.692" |
| Storage Dimension Height | 1 3/4" |
| Storage Dimension Length | 8.642" |
| Storage Dimension Width | 8.642" |
| Type | Taper Bushed Type B |
Shipping Info:
| Ship weight (kg) | 4.23 |
| Ship height (cm) | 4.45 |
| Ship length (cm) | 21.95 |
| Ship width (cm) | 21.95 |
| Country of Origin | US |
Product Variants
| Product | Model | Pitch Dia. | No. Of Teeth | Length Through Bore | Hub Dia. | Storage Dimension Length | Storage Dimension Width | Storage Dimension Height | Length Thru Bore | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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100BTB11 | 4.4368" | 11 | 1 1/2" | 3" | 5 1/8" | 5 1/8" | 1 1/2" | 1 1/2" | €164.85 | |
![]() |
100BTB12 | 4.8296" | 12 | 1 1/2" | 3 1/4" | 5.415" | 5.415" | 1 1/2" | 1 1/2" | €183.20 | |
![]() |
100BTB13 | 5.2232" | 13 | 1 1/4" | 3.563" | 5.821" | 5.821" | 1 1/4" | 1 1/4" | €201.29 | |
![]() |
100BTB14 | 5.6174" | 14 | 1 1/4" | 3.563" | 6.227" | 6.227" | 1 1/4" | 1 1/4" | €232.13 | |
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100BTB15 | 6.0122" | 15 | 1 3/4" | 4 1/4" | 6.631" | 6.631" | 1 3/4" | 1 3/4" | €278.73 | |
![]() |
100BTB16 | 6.4073" | 16 | 1 3/4" | 4 1/2" | 7.034" | 7.034" | 1 3/4" | 1 3/4" | €295.30 | |
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100BTB17 | 6.803" | 17 | 1 3/4" | 4 1/2" | 7.437" | 7.437" | 1 3/4" | 1 3/4" | €308.80 |
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Contact us
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We're available Monday through Friday, from 07:30 until 17:00.
MARTIN SPROCKET 100BTB20 Sprocket, Taper, 100 Chain, 20 Teeth, 7.991 Inch Pitch Dia., 8.642 Inch O.D., Steel
€354.40 /unit





