Add products to your shopping cart

MROSupply Has Hundreds Of Brands, Millions Of Products, Including

Baldor Dodge Leeson Martin Sprocket Moline Bearing Nexen Rexnord WEG
50BS21 7/8

Image for Illustration purposes only. Actual product may vary

50BS21-7/8 PITCH: #50 TEETH: 21 Bore: 7/8 INCH

MODEL 50BS21 7/8

SKU

262751

WEIGHT

2.340 lb

UOM

each

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

$56.79 Each

Prices are subject to change

FREE SHIPPING ON ORDERS OVER $1

Select Quantity

GET A QUOTE

Orders over $500 qualify for a Free Gift

Typically Ships in: 1 day

Returnable: See conditions

Bore

7/8"

Material

Steel

Number Of Teeth

21

Outside Dia

4.522"

Pitch

0.625 in.

Teeth

21

MaterialSteelHub Outside Diameter3.000 in.
Chain Number50Length thru Bore1.000 in.
Chain Pitch0.625 in.Hub Recessed For ChainNo
Number of Chain Rows1Construction DetailSolid
Number of Teeth21Bore TypeBored To Size
Outside Diameter4.522 in.Finished Bore Size0.875 in.
Pitch Diameter4.193 in.Key Way Size3/16x3/32 in.
Single Strand Tooth Thickness0.343 in.Set Screw Size1/4-20X1/4 in.
Hardened TeethNoSet Screw Location1ss Over Keyway 1ss @ 90°
Hub ConfigurationB
Storage Dimension Length2.125 in.Weight0.34 lbs.
Storage Dimension Width2.125 in.Individually PackagedYes
Storage Dimension Height1.190 in.

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

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.

Read more

SKU: 255872

Met all expectations

Met all expectations for availability, price, delivery, ease of online store use, and efficient online store.

Read more

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!

Read more
Suggested Items
50R10

#2265642

Brand

HKK Chain

Model

50R10

$5.94 Per Foot
Free Shipping orders over $1
50BS21 7/8

#262751

Brand

Martin Sprocket

Model

50BS21 7/8

$56.79 Each
Free Shipping orders over $1
50A14

#262471

Brand

Martin Sprocket

Model

50A14

$22.98 Each
Free Shipping orders over $1
50A15

#262472

Brand

Martin Sprocket

Model

50A15

$23.62 Each
Free Shipping orders over $1
50A12

#262469

Brand

Martin Sprocket

Model

50A12

$22.98 Each
Free Shipping orders over $1

When you get to checkout, you’ll be able to select a free gift! Depending on the cart value, you’ll be shown relevant gifts your order qualifies for.

$500

MRO Hat
MRO Golf Balls
MRO Hi-Vis Vests
MRO Mug

$750

32oz Water Bottle
Throw Blanket
30 piece Hex Set
Telescopic Pick Up

$1,250

Golf Cooler
11-in-1 Screw Driver Set
Gorilla Grip Knee Pad
John Deere Oilskin Hat

$2,500

Igloo 1/2 Gallon Jug
Rechargable Headlamp
Larix Trucker Hat

$5,000

Igloo 10 Gallon Cooler
Igloo Party Bucket Cooler
Klein Tools Speaker
Klein Tools 8-in-1

$7,500

GX-6F Pro Golf Range Finder
Bushnell Outdoorsman Speaker
Jaeger 24px Ratcheting Wrench Set
Aspen Beverage Bucket

Reviews

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

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.

Read more

SKU: 255872

Met all expectations

Met all expectations for availability, price, delivery, ease of online store use, and efficient online store.

Read more

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!

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/