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

Add products to your shopping cart

50BS18 1 1/2

Image for Illustration purposes only. Actual product may vary

Martin 50BS18 1 1/2 is a Type B Finished Bore roller chain sprocket for #50 chain (5/8" pitch). Features 18 teeth, a 1-1/2" finished bore with keyway and setscrews, and is made of steel. Ideal for power transmission drives requiring a ready-to-install

MODEL 50BS18 1 1/2

BRAND

Martin Sprocket

SKU

262681

WEIGHT

1.370 lb

UOM

each

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

$47.02 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

Bore

1-1/2"

Material

Steel

Number Of Teeth

18

Outside Dia

3.920"

Pitch

0.625 in.

Teeth

18

Material	Steel	Hub Outside Diameter	2.875 in.
Chain Number	50	Length thru Bore	1.000 in.
Chain Pitch	0.625 in.	Hub Recessed For Chain	No
Number of Chain Rows	1	Construction Detail	Solid
Number of Teeth	18	Bore Type	Bored To Size
Outside Diameter	3.920 in.	Finished Bore Size	1.500 in.
Pitch Diameter	3.599 in.	Key Way Size	3/8 X 3/16 in.
Single Strand Tooth Thickness	0.343 in.	Set Screw Size	3/8-16X3/8 in.
Hardened Teeth	No	Set Screw Location	(2) Set Screws (1) Over Kw And (1) At 90
Hub Configuration	B
Storage Dimension Width	4.313 in.	Individually Packaged	Yes
Storage Dimension Height	1.060 in.

SKU: 254588

Electric motor pulley sheave

Good selection of motor belt pulley sheaves. Found the size unit I was looking to fit to my new compressor motor. confirmed with manufacturers rep then ordered. Price was good and MRO ships out ASAP. Free shipping. If you need real soon have to pay for quicker shipping.

SKU: 255872

Met all expectations

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

SKU: 249218

Service

qUICK SERVICE ON THIS ORDER

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?

Suggested Items

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". Weight: 37.7 lbs.

Brand

Martin Sprocket

Model

50A112

$216.51 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", weight: 0.54 lbs. Direct replacement for Type A sprockets.

Brand

Martin Sprocket

Model

50A15

$26.94 Each

Free shipping

50A14

#262471

Martin 50A14 Type A (Plain Bore) roller chain sprocket for #50 chain (5/8" pitch), 14 teeth, steel construction. Flat plate design with no hub for lightweight power transmission applications. Outside diameter: 3.113".

Brand

Martin Sprocket

Model

50A14

$26.22 Each

Free shipping

50R10

#2265642

HKK RC050R1A 50 RIV 10FT CHAIN 5/8" pitch riveted (price per foot)

Brand

HKK Chain

Model

50R10

Obsolete

See Replacement

50A13

#262470

Martin 50A13 Type A (Plain Bore) roller chain sprocket for #50 chain (5/8" pitch). 13 teeth, steel construction, flat plate design with no hub. Outside diameter: 2.911". Weight: 0.42 lbs. Direct replacement for industry-standard Type A sprockets.

Brand

Martin Sprocket

Model

50A13

$26.22 Each

Free shipping

Recently Viewed

#797767

UCTPL205-16MZ2RFW

AMI UCTPL205-16MZ2RFW 1" Normal Set-Screw Thermoplastic Take-Up - Wide, PBT Thermoplastic Housing

Brand	AMI Bearings
Model	UCTPL205-16MZ2RFW

$99.23 Each

Free shipping

#2025598

207-3M-6

Timken Belts (Carlisle) 207-3M-6 Panther Belt. 3mm pitch synchronous belt. Pitch length: 207mm. Width: 6mm. Number of teeth: 69. Formerly sold as Carlisle. Manufactured to ISO 9001:2015 standards.

Brand	Timken Belts
Model	207-3M-6

$5.07 Each

Free shipping

#6431078

TIUB13B-153

SMC TIUB13B-153 polyurethane tubing, 1/2 in. O.D., 100 ft length. Manufactured from polyether resin for immunity to hydrolysis, ensuring long tube life. Available in multiple colors and lengths.

Brand	SMC
Model	TIUB13B-153

$364.80 Each

Free Shipping orders over $100

#2944606

TSN 520A

SKF TSN 520A is an oil seal designed for rotating shaft applications. It provides reliable sealing to retain lubricants and exclude contaminants. Suitable for use in industrial machinery and equipment.

Brand	SKF Bearing
Model	TSN 520A

$129.19 Each

Free Shipping orders over $100

#6396068

FSTPCK-W54575

1/4"-20 x 3/8" Machine Screw, Phillips Drive, Fillister Head, Coarse, Full Thread, Stainless A2 (304 18-8)

Brand	MROSupply Fasteners
Model	FSTPCK-W54575

$67.77 Per Bx

Free shipping

#700963

BP5201A14SP

Baldor BP5201A14SP is a brush holder assembly designed for the maintenance and repair of Baldor-Reliance industrial electric motors and generators. This genuine OEM part ensures proper brush alignment, tension, and electrical contact for reliable motor operation. It is constructed for durability in demanding industrial environments.

Brand	Baldor
Model	BP5201A14SP

$137.76 Each

Free Shipping orders over $100

#6444626

KQ2Y06-M5A

SMC KQ2Y06-M5A KQ2 Union Tee one-touch fitting for 6mm tube OD with M5 port. Accepts FEP, PFA, nylon, soft nylon, and polyurethane tubing. Suitable for air and water. Operating pressure range -100 kPa to 1 MPa. Release collar allows easy tubing removal.

Brand	SMC
Model	KQ2Y06-M5A

$3.33 Each

Free shipping

#2007607

44AT5/780

Jason Industrial 44AT5/780 AT-Series polyurethane timing belt with AT5 pitch, 44 mm width, 780 mm pitch length, and 156 teeth. Constructed with high-performance polyurethane for precision drives requiring high torque and backlash-free operation. Suitable for industrial automation and linear motion applications.

Brand	Jason Industrial
Model	44AT5/780

$75.17 Each

Free shipping

Reviews

SKU: 254588

Electric motor pulley sheave

Good selection of motor belt pulley sheaves. Found the size unit I was looking to fit to my new compressor motor. confirmed with manufacturers rep then ordered. Price was good and MRO ships out ASAP. Free shipping. If you need real soon have to pay for quicker shipping.

SKU: 255872

Met all expectations

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

SKU: 249218

Service

qUICK SERVICE ON THIS ORDER

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!