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Martin 40BS24 1 1/4 is a Type B Finished Bore roller chain sprocket for #40 chain (1/2" pitch). It has 24 teeth and a 1-1/4" finished bore with keyway and setscrews. The outside diameter is 4.098". Constructed from steel, this sprocket is suitable for power transmission applications requiring a single-strand ANSI roller chain drive.

Name: Martin 40BS24 1 1/4 is a Type B Finished Bore roller chain sprocket for #40 chain (1/2" pitch). It has 24 teeth and a 1-1/4" finished bore with keyway
Brand: Martin Sprocket
Price: 61.67 USD
Availability: InStock
Rating: 5.0 (4 reviews)

MODEL 40BS24 1 1/4

BRAND

Martin Sprocket

SKU

261502

WEIGHT

1.880 lb

UOM

each

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

$61.67 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

1-1/4"

Material

Steel

Number Of Teeth

Outside Dia

4.098"

Pitch

0.500 in.

Teeth

Material	Steel	Hub Outside Diameter	3.000 in.
Chain Number	40	Length thru Bore	1.000 in.
Chain Pitch	0.500 in.	Hub Recessed For Chain	No
Number of Chain Rows	1	Construction Detail	Solid
Number of Teeth	24	Bore Type	Bored To Size
Outside Diameter	4.098 in.	Finished Bore Size	1.250 in.
Pitch Diameter	3.831 in.	Key Way Size	1/4 X 1/8 in.
Single Strand Tooth Thickness	0.284 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	4.313 in.	Weight	1.75 lbs.
Storage Dimension Width	4.313 in.	Individually Packaged	Yes
Storage Dimension Height	1.060 in.

SKU: 264057

Great service and selection

I was very pleased to find this on the shelf. The price was fair, and the delivery was prompt. I will do business again with MRO

SKU: 251489

High quality

strong material

SKU: 251157

21 tooth 12 dp spur gear

The 21 tooth 12 DP gear I bought arrived very quickly. It was exactly what I needed to fix my RV slide out. I had to machine it to fit, but I knew that when I ordered it. VERY SATISFIED!!!

SKU: 256495

Nice sprocket

sprocket is very nice.

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?

Read full FAQ

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Martin 40BS24 1 1/4 is a Type B Finished Bore roller chain sprocket for #40 chain (1/2" pitch). It has 24 teeth and a 1-1/4" finished bore with keyway and setscrews. The outside diameter is 4.098". Constructed from steel, this sprocket is suitable for power transmission applications requiring a single-strand ANSI roller chain drive.

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Reviews

SKU: 264057

Great service and selection

I was very pleased to find this on the shelf. The price was fair, and the delivery was prompt. I will do business again with MRO

SKU: 251489

High quality

strong material

SKU: 251157

21 tooth 12 dp spur gear

The 21 tooth 12 DP gear I bought arrived very quickly. It was exactly what I needed to fix my RV slide out. I had to machine it to fit, but I knew that when I ordered it. VERY SATISFIED!!!

SKU: 256495

Nice sprocket

sprocket is very nice.

Return policy