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

Download Now

Add products to your shopping cart
Know When You’re Overpaying
The MROSupply Chrome Extension instantly alerts you when the part you’re viewing is available for less at MROSupply.
Download Now
We never track your browsing or search history
We never sell your data to third parties
50B20

Image for Illustration purposes only. Actual product may vary

Martin 50B20 is a Type B Plain Bore roller chain sprocket for #50 chain (5/8" pitch). Features 20 teeth, a minimum plain bore for custom machining, and a one-sided hub. Made from durable steel for industrial power transmission applications.

MODEL 50B20

SKU

263287

WEIGHT

2.280 lb

UOM

each

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

$49.04 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

4.321"

Pitch

0.625 in.

MaterialSteelHub ConfigurationB
Chain Number50Hub Outside Diameter3.000 in.
Chain Pitch0.625 in.Length thru Bore1.000 in.
Number of Chain Rows1Hub Recessed For ChainNo
Number of Teeth20Construction DetailSolid
Outside Diameter4.321 in.Bore TypeStock Bore
Pitch Diameter3.995 in.Min Bore Size0.750 in.
Single Strand Tooth Thickness0.343 in.Max Bore Size2.000 in.
Hardened TeethNo
Storage Dimension Width4.625 in.Individually PackagedYes
Storage Dimension Height1.063 in.

SKU: 248336

Bushing

PROMPT SHIPPING AND WELL PACKAGED. THANKS

Read more

SKU: 256485

Nice sprocket

sprocket is very nice.

Read more

SKU: 256495

Nice sprocket

sprocket is very nice.

Read more

SKU: 265185

Great prices and quality products

Your products are not only affordable, but they are also priced very fairly and competitively & always ship out pretty quickly. You have gained a new regular customer and stolen us from one of our regular distributors without even trying. Thank you for being awesome! Not to mention the free shipping over $100 perk is super appreciated as we not only are saving money per item, but we are also able to buy in bulk without the additional burden of freight/shipping costs. THANK YOU!! :)

Read more
Suggested Items
Recently Viewed
$29.34 Each
Free shipping
#1090727
WIEGMANN N412161208WSSC N412ULTIMATEWINDOW16X12X8
Brand Wiegmann
Model N412161208WSSC
$2,254.08 Each
#6143588
Siemens 6AV6643-0AA01-1AX0
Brand Siemens Controls
Model 6AV6643-0AA01-1AX0
$8,820.00 Each
Free Shipping orders over $100
#1091465
$43.18 Each
Reviews

SKU: 248336

Bushing

PROMPT SHIPPING AND WELL PACKAGED. THANKS

Read more

SKU: 256485

Nice sprocket

sprocket is very nice.

Read more

SKU: 256495

Nice sprocket

sprocket is very nice.

Read more

SKU: 265185

Great prices and quality products

Your products are not only affordable, but they are also priced very fairly and competitively & always ship out pretty quickly. You have gained a new regular customer and stolen us from one of our regular distributors without even trying. Thank you for being awesome! Not to mention the free shipping over $100 perk is super appreciated as we not only are saving money per item, but we are also able to buy in bulk without the additional burden of freight/shipping costs. THANK YOU!! :)

Read more

Return policy

Item must be unused.

Item must be in it's original package.

Restocking, shipping and handling fees may apply to any return with this manufacturer.

For more information please consult https://www.mrosupply.com/page/returnwarranty-policy/