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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Type | Bushed |
| Bushing Part Number | 2012 |
| Bushing Type | 2012 Taper Lock |
| Chain Number | 60 |
| Chain Pitch | 3/4" |
| Chain Size | #60 |
| Construction | Solid |
| Construction Type | Solid |
| For Chain Number | 60 |
| For Chain Pitch | 3/4" |
| Hub Configuration | B |
| Hub Dia. | 4" |
| Hub Outside Dia. | 3 9/16" |
| Individually Packaged | Yes |
| Length Through Bore | 1 1/4" |
| Length Thru Bore | 1 1/4" |
| Material | Steel |
| Max. Bore Size | 2" |
| Min. Bore Size | 1/2" |
| No. Of Chain Rows | 1 |
| No. Of Teeth | 21 |
| Outside Dia. | 5.426" |
| Pitch | 3/4" |
| Pitch Dia. | 5.032" , 5.0321" |
| Single Strand Tooth Thickness | 0.459" |
| Storage Dimension Height | 1.31" |
| Storage Dimension Length | 5 5/8" |
| Storage Dimension Width | 5 5/8" |
| Type | Taper Bushed Type B |
Shipping Info:
| Ship weight (kg) | 0.6 |
| Ship height (cm) | 3.18 |
| Ship length (cm) | 13.79 |
| Ship width (cm) | 13.79 |
| Country of Origin | US |
Product Variants
| Product | Model | Pitch Dia. | No. Of Teeth | Length Through Bore | Hub Dia. | Storage Dimension Width | Single Strand Tooth Thickness | Storage Dimension Height | Length Thru Bore | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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60BTB11 | 2.662" | 11 | 7/8" | 1 7/8" | 3 1/4" | 0.459" | 15/16" | 7/8" | €87.54 | |
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60BTB12 | 2.898" | 12 | 7/8" | 1.938" | 3 1/2" | 0.459" | 15/16" | 7/8" | €89.35 | |
![]() |
60BTB13 | 3.134" | 13 | 1" | 2.469" | 3 5/8" | 0.459" | 1.06" | 1" | €89.58 | |
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60BTB14 | 3.371" | 14 | 1" | 2.595" | 4 5/16" | 0.459" | 1.06" | 1" | €100.37 | |
![]() |
60BTB15 | 3.607" | 15 | 1" | 2.781" | 3.978" | 0.444" | 1" | 1" | €106.72 | |
![]() |
60BTB16 | 3.844" | 16 | 1" | 2.995" | 4 5/16" | 0.459" | 1.06" | 1" | €109.76 | |
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60BTB17 | 4.082" | 17 | 1" | 3 1/4" | 4 5/8" | 0.459" | 1.06" | 1" | €115.01 |
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MARTIN SPROCKET 60BTB21 Roller Chain Sprocket, 60 Chain, Bushed TB, 21 Teeth, 5.032 Inch Pitch Dia., Steel
€127.00 /unit





