Stop searching, install MROSupply Smart Check and see our price instantly wherever you browse.

On this significant day, may all the citizens of the country rest easy as we celebrate the nation’s birth. Happy Fourth of July! All orders entered July 3rd will be processed on July 6th.

Add products to your shopping cart

80BS20 1 1/4

Image for Illustration purposes only. Actual product may vary

View in markdown

Martin 80BS20 1 1/4 Type B finished bore roller chain sprocket for #80 chain, 1" pitch, 20 teeth, 1-1/4" bore with keyway and setscrews. Steel construction with 6.914" outside diameter. Single-strand design with hub on one side for standard power transmission drives.

MODEL 80BS20 1 1/4

BRAND

Martin Sprocket

SKU

265051

WEIGHT

7.780 lb

UOM

each

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

$116.09 Each

Prices are subject to change

FREE SHIPPING ON ORDERS OVER $100

Select Quantity

GET A QUOTE

Typically Ships in: 1 day

Returnable:No

Bore

1-1/4"

Material

Steel

Number Of Teeth

20

Outside Dia

6.914"

Pitch

1.000 in.

Teeth

20

Material	Steel	Hub Outside Diameter	4.250 in.
Chain Number	80	Length thru Bore	1.500 in.
Chain Pitch	1.000 in.	Hub Recessed For Chain	No
Number of Chain Rows	1	Construction Detail	Welded
Number of Teeth	20	Bore Type	Bored To Size
Outside Diameter	6.914 in.	Finished Bore Size	1.250 in.
Pitch Diameter	6.393 in.	Key Way Size	1/4 X 1/8 in.
Single Strand Tooth Thickness	0.575 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 Width	6.914 in.	Individually Packaged	No
Storage Dimension Height	1.500 in.

SKU: 248336

Bushing

PROMPT SHIPPING AND WELL PACKAGED. THANKS

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.

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: 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?

Suggested Items

80R10

#2265686

HKK RC080R1A 80R10 80 single strand roller chain, 1" pitch, 10 ft reel. Solid bushings and rollers, 0.312" pin diameter, 0.921" plate height, 0.125" plate thickness, 0.625" roller diameter, 5/8" roller width. Average ultimate strength 17,700 lbs, maximum allowable load 4,290 lbs. Made in Japan, ANSI B29.1 compliant.

Brand

HKK Chain

Model

80R10

$25.36 Per Foot

Free shipping

80BS20 1 1/4

#265051

Martin 80BS20 1 1/4 Type B finished bore roller chain sprocket for #80 chain, 1" pitch, 20 teeth, 1-1/4" bore with keyway and setscrews. Steel construction with 6.914" outside diameter. Single-strand design with hub on one side for standard power transmission drives.

Brand

Martin Sprocket

Model

80BS20 1 1/4

$116.09 Each

Free Shipping orders over $100

80A112

#264772

Martin 80A112 Type A plain bore roller chain sprocket for #80 chain with 1" pitch, 112 teeth, and 36.241" outside diameter. Flat plate design with no hub, manufactured from steel for lightweight applications. Suitable for use with ANSI #80 roller chain in industrial power transmission and conveyor systems.

Brand

Martin Sprocket

Model

80A112

$972.76 Each

Free Shipping orders over $100

80A10

#264770

Martin 80A10 Type A plain bore roller chain sprocket for #80 chain, 1" pitch, 10 teeth, 3.678" outside diameter, steel. Flat plate design with no hub, suitable for light-duty power transmission applications where re-boring is not required.

Brand

Martin Sprocket

Model

80A10

$36.39 Each

Free shipping

80A11

#264771

Martin 80A11 Type A plain bore roller chain sprocket for #80 chain with 1" pitch, 11 teeth, and 4.006" outside diameter. Flat plate design with no hub for lightweight applications. Steel construction. Requires finishing to a specific bore size.

Brand

Martin Sprocket

Model

80A11

$37.93 Each

Free shipping

Recently Viewed

#5727697

800TC-PA46GD1

Allen-Bradley 800TC-PA46GD1 Bulletin 800TC 30mm finger-safe push button operator with momentary contact, non-illuminated green button cap, and flush head design. Designed for Type 4/13 watertight and oiltight applications, this operator provides a low-profile installation and is compatible with standard Bulletin 800T contact blocks for machine control and industrial automation.

Brand	Allen Bradley
Model	800TC-PA46GD1

Not available

#719634

4400-8M-30

Bando 4400-8M-30 Synchro-Link synchronous timing belt with 4400mm pitch circumference, 8mm pitch, 30mm face width, and 550 teeth. High torque construction with fiberglass tensile cord for precise speed ratio and zero slip. Suitable for CNC equipment, robotics, and precision industrial drives.

Brand	Bando
Model	4400-8M-30

$259.45 Each

Free Shipping orders over $100

Reviews

SKU: 248336

Bushing

PROMPT SHIPPING AND WELL PACKAGED. THANKS

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.

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: 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.