FREE delivery on orders over €150
Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Type | Bushed |
| Bushing Part Number | 2517 |
| Chain Number | 100 |
| Chain Pitch | 1 1/4" |
| Construction | Welded |
| Construction Type | Welded |
| For Chain Number | 100 |
| For Chain Pitch | 1 1/4" |
| Hub Configuration | B |
| Hub Diameter | 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 Teeth | 21 |
| Number Of Chain Rows | 1 |
| Number Of Teeth | 21 |
| Outside Dia. | 9.043" |
| Pitch | 1 1/4" |
| Pitch Dia. | 8.3869" |
| Pitch Diameter | 8.387" |
| Single Strand Tooth Thickness | 0.692" |
| Storage Dimension Height | 1 3/4" |
| Storage Dimension Length | 9.043" |
| Storage Dimension Width | 9.043" |
Shipping Info:
| Ship weight (kg) | 4.77 |
| Ship height (cm) | 4.45 |
| Ship length (cm) | 22.96 |
| Ship width (cm) | 22.96 |
| Country of Origin | US |
Product Variants
| Product | Model | Number Of Teeth | Pitch Dia. | Outside Dia. | Length Through Bore | Bushing Type | For Chain Pitch | For Chain Number | Bore Type | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
100BTB11 | 11 | 4.4368" | 5.007" | 1 1/2" | TB 1615 | 1 1/4" | 100 | Bushed | €164.85 | |
![]() |
100BTB12 | 12 | 4.8296" | 5.415" | 1 1/2" | TB 1615 | 1 1/4" | 100 | Bushed | €183.20 | |
![]() |
100BTB13 | 13 | 5.2232" | 5.821" | 1 1/4" | 2012 Taper Lock | 1 1/4" | 100 | Bushed | €201.29 | |
![]() |
100BTB14 | 14 | 5.6174" | 6.227" | 1 1/4" | 2012 Taper Lock | 1 1/4" | 100 | Bushed | €232.13 | |
![]() |
100BTB15 | 15 | 6.0122" | 6.631" | 1 3/4" | 2517 Taper Lock | 1 1/4" | 100 | Bushed | €278.73 | |
![]() |
100BTB16 | 16 | 6.4073" | 7.034" | 1 3/4" | 2517 Taper Lock | 1 1/4" | 100 | Bushed | €295.30 | |
![]() |
100BTB17 | 17 | 6.8027" | 7.437" | 1 3/4" | 2517 Taper Lock | 1 1/4" | 100 | Bushed | €308.80 |
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MARTIN SPROCKET 100BTB21 Sprocket, Taper, 100 Chain, 21 Teeth, 8.387 Inch Pitch Dia., 9.043 Inch O.D., Steel
€364.34 /unit





