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

Happy Memorial Day Weekend! MROSupply stands grateful for the commitment and sacrifice made by the military and their families. While we are honoring the memory of service people around the world, operations on Monday May 25th may be slower than usual.

Add products to your shopping cart

50B80

Image for Illustration purposes only. Actual product may vary

Martin 50B80 Type B Plain Bore Roller Chain Sprocket for #50 chain (5/8" pitch). Features 80 teeth, a minimum plain bore for custom machining, and a one-sided hub design. Manufactured from durable steel for general power transmission applications.

MODEL 50B80

BRAND

Martin Sprocket

SKU

263345

WEIGHT

24.740 lb

UOM

each

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

$180.61 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

80

Outside Dia

16.282"

Pitch

0.625 in.

Material	Steel	Hub Configuration	B
Chain Number	50	Hub Outside Diameter	4.250 in.
Chain Pitch	0.625 in.	Length thru Bore	1.750 in.
Number of Chain Rows	1	Hub Recessed For Chain	No
Number of Teeth	80	Construction Detail	Welded
Outside Diameter	16.282 in.	Bore Type	Stock Bore
Pitch Diameter	15.920 in.	Min Bore Size	1.000 in.
Single Strand Tooth Thickness	0.343 in.	Max Bore Size	2.750 in.
Hardened Teeth	No

Storage Dimension Length	16.280 in.	23.97 lbs.
Storage Dimension Width	16.280 in.	Individually Packaged	No
Storage Dimension Height	1.750 in.

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!

SKU: 250096

Flexible coupler

Very fast and reliable shipping.

SKU: 261211

Plate gear

Just what I ordered at a reasonable price. Thank you, Dallas

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!

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

50A14

#262471

Martin 50A14 Type A plain bore roller chain sprocket for #50 chain (5/8" pitch) with 14 teeth. Steel construction with flat plate design and no hub for lightweight power transmission. Outside diameter is 3.113".

Brand

Martin Sprocket

Model

50A14

$27.78 Each

Free shipping

50A112

#262468

Martin 50A112 Type A plain bore roller chain sprocket for #50 chain (5/8" pitch). 112 teeth, steel construction, flat plate design with no hub. Outside diameter: 22.651".

Brand

Martin Sprocket

Model

50A112

$229.31 Each

Free Shipping orders over $100

50B80

#263345

Martin 50B80 Type B Plain Bore Roller Chain Sprocket for #50 chain (5/8" pitch). Features 80 teeth, a minimum plain bore for custom machining, and a one-sided hub design. Manufactured from durable steel for general power transmission applications.

Brand

Martin Sprocket

Model

50B80

$180.61 Each

Free Shipping orders over $100

50A15

#262472

Martin 50A15 Type A plain bore roller chain sprocket for #50 chain (5/8" pitch). 15 teeth, steel construction, flat plate design with no hub. Outside diameter: 3.315". Suitable for re-boring to custom shaft sizes.

Brand

Martin Sprocket

Model

50A15

$28.54 Each

Free shipping

50A12

#262469

Martin 50A12 Type A plain bore roller chain sprocket for #50 chain (5/8" pitch). 12 teeth, flat plate design with no hub. Steel construction. Outside diameter: 2.708".

Brand

Martin Sprocket

Model

50A12

$27.78 Each

Free shipping

Recently Viewed

#2249784

SB 22205 C3 W33 SS

McGill SB 22205 C3 W33 SS SPHERE-ROL single-row spherical roller bearing, 25 mm straight bore, C3 clearance, annular lube groove with three lube holes, Nylaplate seal both sides. Built from 52100 bearing steel, self-aligning under static and dynamic misalignment. Used in heavy-duty industrial gearboxes, vibrating screens, and conveyor head shafts.

Brand	McGill Bearing
Model	SB 22205 C3 W33 SS

$179.44 Each

Free Shipping orders over $100

#5716963

440N-Z21W1PH

Allen-Bradley 440N-Z21W1PH is a Bulletin 440N Sensaguard non-contact safety interlock switch. This magnetic-coded switch provides a 24V DC interface for safety applications requiring Category 4 (Cat 4) performance per ISO 13849-1. The IP69K-rated housing withstands high-pressure washdowns, making it suitable for harsh industrial environments. The Sensaguard design offers a tamper-resistant, wear-free alternative to mechanical safety switches.

Brand	Allen Bradley
Model	440N-Z21W1PH

$397.50 Each

Free Shipping orders over $100

#5680985

6400-12-12-O-SS

6400-12-12-O-SS MJ-MORB STRGHT

Brand	MRO Supply
Model	6400-12-12-O-SS

$66.39 Each

Free shipping

#6094314

2G063

2G063 Debris-Resistant Standard Plate Caster Rigid Thermoplastic Rubber 280 lb 5 in Wheel Dia

Brand	MRO Supply
Model	2G063

$18.34 Each

Free shipping

#716365

390J10

Bando 390J10 Rib Ace Poly-V serpentine belt with 39.0" outside length and 0.092" pitch width. Multi-ribbed J section design provides smooth, quiet operation in compact serpentine drive systems. Suitable for industrial and light-duty applications requiring reliable power transmission.

Brand	Bando
Model	390J10

$55.13 Each

Free shipping

#6128409

44510

Chicago-Latrobe 44510 150-L #40

Brand	Chicago-Latrobe
Model	44510

$8.74 Each

Free shipping

#5025099

96083452

Grundfos 96083452 CRI 3-3 A-CA-A-V-HQQV pump end (bare shaft) is a vertical multistage centrifugal pump with 3 stages, 0.5 HP, 60 Hz, NEMA 56C frame. Constructed with AISI 304 stainless steel wetted parts and base, it delivers 15.4 GPM at 20.5 m head. Features FlexiClamp connections (DN 32), single HQQV shaft seal with FKM elastomer, and maximum operating pressure of 363 PSI.

Brand	Grundfos
Model	96083452

$1,482.00 Each

Free Shipping orders over $100

Reviews

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!

SKU: 250096

Flexible coupler

Very fast and reliable shipping.

SKU: 261211

Plate gear

Just what I ordered at a reasonable price. Thank you, Dallas

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!