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40BS57 1 1/8

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Martin 40BS57 1 1/8 Type B finished bore roller chain sprocket for #40 chain with 1/2" pitch, 57 teeth, and 1-1/8" bore with keyway and two setscrews. Steel construction with 9.363" outside diameter. Single-strand design with hub on one side for reliable power transmission in industrial drive applications.

MODEL 40BS57 1 1/8

BRAND

Martin Sprocket

SKU

261827

WEIGHT

7.020 lb

UOM

each

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

$96.94 Each

Prices are subject to change

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Typically Ships in: 1 day

Returnable: See conditions

Material

Steel

Number Of Teeth

57

Outside Dia

9.363"

Pitch

0.500 in.

Material	Steel	Hub Outside Diameter	3.500 in.
Chain Number	40	Length thru Bore	1.125 in.
Chain Pitch	0.500 in.	Hub Recessed For Chain	No
Number of Chain Rows	1	Construction Detail	Welded
Number of Teeth	57	Bore Type	Bored To Size
Outside Diameter	9.363 in.	Finished Bore Size	1.125 in.
Pitch Diameter	9.076 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	9.363 in.	Weight	6.85 lbs.
Storage Dimension Width	9.363 in.	Individually Packaged	No
Storage Dimension Height	1.130 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: 256485

Nice sprocket

sprocket is very nice.

SKU: 256495

Nice sprocket

sprocket is very nice.

SKU: 261393

Great service

Very quick service part was exactly what I needed to get my skid steer going again great product and I will definitely use this business again

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

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

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Martin 40BS57 1 1/8 Type B finished bore roller chain sprocket for #40 chain with 1/2" pitch, 57 teeth, and 1-1/8" bore with keyway and two setscrews. Steel construction with 9.363" outside diameter. Single-strand design with hub on one side for reliable power transmission in industrial drive applications.

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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: 256485

Nice sprocket

sprocket is very nice.

SKU: 256495

Nice sprocket

sprocket is very nice.

SKU: 261393

Great service

Very quick service part was exactly what I needed to get my skid steer going again great product and I will definitely use this business again