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

Add products to your shopping cart

240B20

Image for Illustration purposes only. Actual product may vary

View in markdown

Martin 240B20 Type B plain bore roller chain sprocket for #240 chain with 3" pitch, 20 teeth, and 20.741" outside diameter. Steel construction with hub on one side for re-boring applications. Minimum plain bore allows custom machining to required shaft size.

MODEL 240B20

BRAND

Martin Sprocket

SKU

260494

WEIGHT

169.000 lb

UOM

each

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

$1,819.72 Each

Prices are subject to change

FREE SHIPPING ON ORDERS OVER $100

Select Quantity

GET A QUOTE

Typically Ships in: 1 day

Returnable: See conditions

Material

Steel

Number Of Teeth

20

Outside Dia

20.741"

Pitch

3.000 in.

Material	Steel	Hub Configuration	B
Chain Number	240	Hub Outside Diameter	8.000 in.
Chain Pitch	3.000 in.	Length thru Bore	4.125 in.
Number of Chain Rows	1	Hub Recessed For Chain	No
Number of Teeth	20	Construction Detail	Welded
Outside Diameter	20.741 in.	Bore Type	Stock Bore
Pitch Diameter	19.177 in.	Min Bore Size	1.500 in.
Single Strand Tooth Thickness	1.738 in.	Max Bore Size	5.500 in.
Hardened Teeth	No

Storage Dimension Length	20.740 in.	Weight	163.13 lbs.
Storage Dimension Width	20.740 in.	Individually Packaged	No
Storage Dimension Height	4.125 in.

SKU: 251099

Spur gear

Our Yellow Karcher "Duckee" steers once more. The spur gear works as advertised!!!

SKU: 250135

Has the parts

Its hard to find parts these days. When I reorder, they are in stock and shipped quickly.

SKU: 250207

Perfect

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

SKU: 250096

Flexible coupler

Very fast and reliable shipping.

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

240A13

#260468

Martin 240A13 Type A plain bore roller chain sprocket for #240 chain with 3" pitch. 13 teeth, flat plate design with no hub. Steel construction. Outside diameter: 13.971".

Brand

Martin Sprocket

Model

240A13

$841.51 Each

Free Shipping orders over $100

240A11

#260466

Martin 240A11 Type A plain bore roller chain sprocket for #240 chain with 3" pitch, 11 teeth, and 12.017" outside diameter. Flat plate design with no hub, steel construction. Suitable for light-duty applications where weight savings are needed.

Brand

Martin Sprocket

Model

240A11

$658.58 Each

Free Shipping orders over $100

240R10

#2265783

HKK RC240R1A 240 single strand standard ANSI roller chain with 3" pitch, solid bushings and rollers, and riveted construction. Meets ANSI B29.1 standards and made in Japan. 10 ft reel with pin diameter 0.936", plate height 2.768", roller width 1-7/8", and plate thickness 0.375". Maximum allowable load 28,950 lbs, average ultimate strength 148,000 lbs.

Brand

HKK Chain

Model

240R10

$304.50 Per Foot

Free Shipping orders over $100

240A14

#260469

Martin 240A14 Type A plain bore roller chain sprocket for #240 chain with 3" pitch. 14 teeth, flat plate design with no hub. Steel construction. Outside diameter: 14.944".

Brand

Martin Sprocket

Model

240A14

$916.38 Each

Free Shipping orders over $100

240A10

#260465

Martin 240A10 Type A plain bore roller chain sprocket for #240 chain with 3" pitch, 10 teeth, and 11.033" outside diameter. Steel construction with flat plate design and no hub. Suitable for heavy-duty industrial drive and conveyor applications requiring high tensile strength.

Brand

Martin Sprocket

Model

240A10

$597.89 Each

Free Shipping orders over $100

Recently Viewed

#584561

112476

Dodge 112476 P68-5M-15-1610 HTD timing belt pulley with 5mm pitch and 15 teeth, designed for high-torque synchronous power transmission drives. Features a Taper-Lock bushing system (size 1610) for secure, keyed shaft mounting. Suitable for applications requiring precise, no-slip motion control.

Brand	Dodge
Model	112476

$104.10 Each

Free Shipping orders over $100

#1470260

75184541

Dichtomatik ANS1375 polyurethane 92 durometer AN style slotted heel wiper for inch-based applications. This wiper seal excludes contaminants and protects hydraulic cylinder internals. Suitable for use in hydraulic and pneumatic cylinder applications. Temperature range: -30°F to +200°F.

Brand	Dichtomatik
Model	75184541

$3.50 Each

Free shipping

#6415142

FSTPCK-606189

#10-24 x 3/4" Socket Head Half Dog Point Set Screw, Hex Key Drive, Coarse, Alloy Steel, Black Oxide Finish

Brand	MROSupply Fasteners
Model	FSTPCK-606189

$19.09 Per Bx

Free shipping

Reviews

SKU: 251099

Spur gear

Our Yellow Karcher "Duckee" steers once more. The spur gear works as advertised!!!

SKU: 250135

Has the parts

Its hard to find parts these days. When I reorder, they are in stock and shipped quickly.

SKU: 250207

Perfect

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

SKU: 250096

Flexible coupler

Very fast and reliable shipping.