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

D50P21H

Image for Illustration purposes only. Actual product may vary

View in markdown

Martin D50P21H double strand roller chain sprocket for #50 chain, 5/8" pitch, 21 teeth, 4.522" outside diameter. Steel construction with hardened teeth (Saber Tooth) for extended wear life in abrasive or high-ratio applications. Uses MST P1 split taper bushing (sold separately).

MODEL D50P21H

BRAND

Martin Sprocket

SKU

256680

WEIGHT

2.830 lb

UOM

each

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

$182.37 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

21

Outside Dia

4.522"

Pitch

0.625 in.

Material	Steel	Hub Outside Diameter	3.000 in.
Chain Number	50	Hub Recessed For Chain	No
Chain Pitch	0.625 in.	Construction Detail	Solid
Number of Chain Rows	2	Bore Type	Bushed MST
Number of Teeth	21	Key Way Size	.375 WIDE in.
Outside Diameter	4.522 in.	Bushing Part Number	P1
Pitch Diameter	4.193 in.	Bushing Min Bore Size	0.500 in.
Single Strand Tooth Thickness	0.332 in.	Bushing Max Bore Size	1.750 in.
Hardened Teeth	Yes

Storage Dimension Length	4.522 in.	Weight	2.83 lbs.
Storage Dimension Width	4.522 in.	Individually Packaged	No
Storage Dimension Height	1.310 in.

SKU: 250207

Perfect

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

SKU: 256485

Nice sprocket

sprocket is very nice.

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: 262463

70 tooth #41 chain sprocket

The sprocket arrived on time, fit perfectly and was priced well. MRO SUPPLY is your best choice for hard to find sprockets!

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?

Recently Viewed

#840895

MSBC400SS

Dixon MSBC400SS MannTek Safety Breakaway Coupling Marine Female NPT x Female NPT, 4-inch size, 316 stainless steel construction with FKM (FPM) seals. Designed for marine applications to prevent hose damage from excessive pull. Overall length 12 inches.

Brand	Dixon
Model	MSBC400SS

$5,142.80 Each

Free Shipping orders over $100

#2485782

6/SPZ180-2517

MasterDrive 6/SPZ180-2517 6-groove SPZ section Taper-Lock V-belt sheave with 180mm pitch diameter. Uses 2517 Taper-Lock bushing for secure, easy mounting. Cast iron construction for durability in industrial belt drive applications requiring high power transmission.

Brand	MasterDrive
Model	6/SPZ180-2517

$182.44 Each

Free Shipping orders over $100

#256122

D100Q16H

Martin D100Q16H double strand roller chain sprocket for #100 chain, 1-1/4" pitch, 16 teeth, 7.034" outside diameter, steel construction. Uses Martin Split Taper (MST) Q1 bushing for secure shaft mounting. Suitable for heavy-duty power transmission applications requiring high torque and durability.

Brand	Martin Sprocket
Model	D100Q16H

$533.34 Each

Free Shipping orders over $100

#521329

10177557

Rexnord LF1843K1.5GJ SideGrip conveyor trough idler chain with 1.5 in (38.1 mm) chain width, 1.0 in pitch, steel base chain, and neoprene jaw grippers (40 Shore A). Side-flexing design with TAB curve retention for tight radius applications.

Brand	Rexnord
Model	10177557

$121.00 Per Foot

Free Shipping orders over $100

#256620

D50ATB16H

Martin D50ATB16H double strand roller chain sprocket for #50 chain (5/8" pitch) with 16 teeth. Taper bushed design uses industry-standard 1210 taper bushing (sold separately) for easy installation and removal. Steel construction with 3.517" outside diameter.

Brand	Martin Sprocket
Model	D50ATB16H

$119.49 Each

Free Shipping orders over $100

#2890186

6315 EMQ

Rollway 6315 EMQ BALL 16000-61800-62200-62300

Brand	Rollway
Model	6315 EMQ

$177.51 Each

Free Shipping orders over $100

#146547

H6C18S04541

Dodge H6C18S04541 HB683 Quantis right angle helical bevel speed reducer with 45.41:1 ratio, 180TC C-face motor mount, and foot mount configuration. Precision spiral bevel gearing delivers up to 94% efficiency. Class 30 gray iron housing with spring-loaded double-lip NBR seals. Factory filled with Mobilgear 600 XP 220 lubricant. Suitable for industrial power transmission applications requiring right angle speed reduction.

Brand	Dodge
Model	H6C18S04541

Add to cart to see price

Free Shipping orders over $100

#6376851

AADC050CHL1

HKK AADC050CHL1 C2050 Aqua-Series II offset (half) link for single strand roller chain. Features 1-1/4" pitch and corrosion-resistant construction for washdown environments. Solid bushings and rollers ensure durability. ANSI B29.1 compliant. Made in Japan.

Brand	HKK Chain
Model	AADC050CHL1

$6.79 Each

Free shipping

Reviews

SKU: 250207

Perfect

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

SKU: 256485

Nice sprocket

sprocket is very nice.

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: 262463

70 tooth #41 chain sprocket

The sprocket arrived on time, fit perfectly and was priced well. MRO SUPPLY is your best choice for hard to find sprockets!