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D12BTB21

Image for Illustration purposes only. Actual product may vary

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

SKU

256143

WEIGHT

0.470 lb

UOM

each

Contact supplier for technical support on: 323-728-8117

$268.63 Each

Prices are subject to change

FREE SHIPPING ON ORDERS OVER $100

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Typically Ships in: 1 day

Returnable: See conditions

Material

Steel

Number Of Teeth

21

Outside Dia

139.560 mm

Pitch

19.050 mm

Pitch Diameter

127.820 mm

MaterialSteelWidth across Teeth/ Rows30.330 mm
Chain Number12B-2Hub ConfigurationB
Chain Pitch19.050 mmHub Outside Diameter109.000 mm
Number of Chain Rows2Construction DetailSolid
Number of Teeth21Bore TypeBushed TB
Outside Diameter139.560 mmBushing Part Number2517
Pitch Diameter127.820 mmBushing Min Bore Size12.700 mm
Single Strand Tooth Thickness10.870 mmBushing Max Bore Size63.500 mm
Storage Dimension Length5.493 in.3.40 lbs.
Storage Dimension Width5.493 in.Individually PackagedNo
Storage Dimension Height1.750 in.

SKU: 251697

Good stock

I was pleased with the help of customer service to answer my questions concerning inventory and how quickly I received my product. Thank you.

Read more

SKU: 263484

Solid product at a great price

Solid product, fair and super fast shipping! MROSUPPLY delivers it all!

Read more

SKU: 2925122

Martin c5-20t-19-09

Quality product. Fast shipping!

Read more

SKU: 262256

Works great

Works perfect and made my gokart way faster

Read more
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Reviews

SKU: 251697

Good stock

I was pleased with the help of customer service to answer my questions concerning inventory and how quickly I received my product. Thank you.

Read more

SKU: 263484

Solid product at a great price

Solid product, fair and super fast shipping! MROSUPPLY delivers it all!

Read more

SKU: 2925122

Martin c5-20t-19-09

Quality product. Fast shipping!

Read more

SKU: 262256

Works great

Works perfect and made my gokart way faster

Read more

Return policy

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/