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Martin D12BTB21 double strand taper-lock sprocket for #12 roller chain (19.050 mm pitch). 21 teeth, steel construction, uses 2517 series taper bushing (sold separately). Suitable for metric power transmission drives requiring double strand capacity.
MODEL D12BTB21
Contact supplier for technical support on: 323-728-8117
$268.63 Each
Prices are subject to change
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Returnable: See conditions
Material
Steel
Number Of Teeth
21
Outside Dia
139.560 mm
Pitch
19.050 mm
Pitch Diameter
127.820 mm
| Material | Steel | Width across Teeth/ Rows | 30.330 mm |
|---|---|---|---|
| Chain Number | 12B-2 | Hub Configuration | B |
| Chain Pitch | 19.050 mm | Hub Outside Diameter | 109.000 mm |
| Number of Chain Rows | 2 | Construction Detail | Solid |
| Number of Teeth | 21 | Bore Type | Bushed TB |
| Outside Diameter | 139.560 mm | Bushing Part Number | 2517 |
| Pitch Diameter | 127.820 mm | Bushing Min Bore Size | 12.700 mm |
| Single Strand Tooth Thickness | 10.870 mm | Bushing Max Bore Size | 63.500 mm |
| Storage Dimension Length | 5.493 in. | 3.40 lbs. | |
|---|---|---|---|
| Storage Dimension Width | 5.493 in. | Individually Packaged | No |
| Storage Dimension Height | 1.750 in. |
| Brand | Siemens Controls |
| Model | 6ES7331-7NF00-0AB0 |
Item must be unused.
Item must be in it's original package.
Restocking, shipping and handling fees may apply to any return with this manufacturer.
For more information please consult https://www.mrosupply.com/page/returnwarranty-policy/