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50BS21 1

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Martin 50BS21 1 Type B finished bore roller chain sprocket for #50 chain, 5/8" pitch, 21 teeth, 1" bore with keyway and setscrews, 4.522" outside diameter, steel. Single-strand sprocket with hub on one side for power transmission drives.

MODEL 50BS21 1

BRAND

Martin Sprocket

SKU

262743

WEIGHT

2.240 lb

UOM

each

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

$72.39 Each

Prices are subject to change

FREE SHIPPING ON ORDERS OVER $100

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Typically Ships in: 1 day

Returnable: See conditions

Bore

1"

Material

Steel

Number Of Teeth

21

Outside Dia

4.522"

Pitch

0.625 in.

Teeth

21

Material	Steel	Hub Outside Diameter	3.000 in.
Chain Number	50	Length thru Bore	1.000 in.
Chain Pitch	0.625 in.	Hub Recessed For Chain	No
Number of Chain Rows	1	Construction Detail	Solid
Number of Teeth	21	Bore Type	Bored To Size
Outside Diameter	4.522 in.	Finished Bore Size	1.000 in.
Pitch Diameter	4.193 in.	Key Way Size	1/4 X 1/8 in.
Single Strand Tooth Thickness	0.343 in.	Set Screw Size	5/16-18X5/16 in.
Hardened Teeth	No	Set Screw Location	(2) Set Screws (1) Over Kw And (1) At 90
Hub Configuration	B
Storage Dimension Length	4.625 in.	Weight	2.05 lbs.
Storage Dimension Width	4.625 in.	Individually Packaged	Yes
Storage Dimension Height	1.060 in.

SKU: 250207

Perfect

Perfect replacement part, Good purchase experience. I would use MRO again.

SKU: 250148

Martin flex sleeve

Great inventory easy to use website,had exactly what I needed,up and running,would use them again without a doubt, thank you!

SKU: 263484

Solid product at a great price

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

SKU: 250096

Durable and high quality

I bought a second one to keep as a spare, but the first one still hasn’t shown any signs of wear. Seems like a quality part.

When will I be charged for my order?

Do you provide credit terms?

Can I get a discounted price? I am a reseller / government entity.

What is the return/warranty policy?

Can it be shipped today?

Does “Usually ships in 24 hours” mean it’s in stock?

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Reviews

SKU: 250207

Perfect

Perfect replacement part, Good purchase experience. I would use MRO again.

SKU: 250148

Martin flex sleeve

Great inventory easy to use website,had exactly what I needed,up and running,would use them again without a doubt, thank you!

SKU: 263484

Solid product at a great price

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

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Durable and high quality

I bought a second one to keep as a spare, but the first one still hasn’t shown any signs of wear. Seems like a quality part.