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50B21

Image for Illustration purposes only. Actual product may vary

Martin 50B21 Type B Plain Bore roller chain sprocket for #50 chain (5/8" pitch). Features 21 teeth, a hub on one side for re-boring, and is made of steel. This sprocket has a minimum plain bore, requiring finishing to the required shaft size.

MODEL 50B21

SKU

263289

WEIGHT

2.400 lb

UOM

each

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

$50.28 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

4.522"

Pitch

0.625 in.

MaterialSteelHub ConfigurationB
Chain Number50Hub Outside Diameter3.000 in.
Chain Pitch0.625 in.Length thru Bore1.000 in.
Number of Chain Rows1Hub Recessed For ChainNo
Number of Teeth21Construction DetailSolid
Outside Diameter4.522 in.Bore TypeStock Bore
Pitch Diameter4.193 in.Min Bore Size0.750 in.
Single Strand Tooth Thickness0.343 in.Max Bore Size2.000 in.
Hardened TeethNo
Storage Dimension Width4.625 in.Individually PackagedYes
Storage Dimension Height1.063 in.

SKU: 263484

Solid product at a great price

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

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SKU: 262509

Service manager

on time.. great company thanks john gorth

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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: 262256

Works great

Works perfect and made my gokart way faster

Read more
Reviews

SKU: 263484

Solid product at a great price

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

Read more

SKU: 262509

Service manager

on time.. great company thanks john gorth

Read more

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: 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/