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

3 B 80 SK

Image for Illustration purposes only. Actual product may vary

Martin 3 B 80 SK conventional QD sheave for B-section (5L) V-belts. 3 grooves, 8.0" pitch diameter, 8.350" OD, cast iron construction. Uses industry-interchangeable SK Quick Disconnect bushing (sold separately) for easy mounting and removal.

MODEL 3 B 80 SK

BRAND

Martin Sprocket

SKU

254739

WEIGHT

13.000 lb

UOM

each

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

$170.78 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

Cast Iron

Outside Dia

8.350"

Material	Cast Iron	Outside Diameter	8.350 in.
Number Of Grooves	3	Bushing Min Bore Size	0.500 in.
Belt Cross Section	A/B	Bushing Max Bore Size	2.625 in.
Bushing Style	QD	Face Width	2.500 in.
Bushing Part Number	SK	Sheave Construction	Solid
Pitch Diameter	8.000 in.
Storage Dimension Length	8.625 in.	Weight	17.60 lbs.
Storage Dimension Width	8.625 in.	Packaging	Yes
Storage Dimension Height	2.500 in.

SKU: 264057

Great service and selection

I was very pleased to find this on the shelf. The price was fair, and the delivery was prompt. I will do business again with MRO

SKU: 262509

Service manager

on time.. great company thanks john gorth

SKU: 250096

Flexible coupler

Very fast and reliable shipping.

SKU: 255872

Met all expectations

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

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?

Alternatives Products from another supplier. Note, it may not be identical in style or function to original item

803B

#346461

TB Woods 803B conventional V-belt sheave with 3 grooves, 8.0" outside diameter, and A-B belt section. Cast-iron construction with SK QD bushing for quick installation. Balanced to one plane for smooth operation at speeds up to 3000 RPM.

Brand

TB Woods

Model

803B

$177.93 Each

Free Shipping orders over $100

455629

#135747

Dodge 455629 3A7.6B8.0-SK Quick Disconnect bushed V-belt sheave, A/B section dual duty, 7.6" A-PD/8.0" B-PD, SK bushing, 7/16" to 2-5/8" bore range, cast iron construction, 17.5 lb weight.

Brand

Dodge

Model

455629

$163.69 Each

Free Shipping orders over $100

Recently Viewed

#6091829

47043/8X5/32

47043/8X5/32 3210124 Counterbore Pilot Detachable ANSI 5/32 x 3/8 pilot

Brand	Union Butterfield
Model	47043/8X5/32

$21.33 Each

Free shipping

#6303526

C303SR-24

Starrett C303SR-24 Semi-Flexible Steel Rule with 3R style graduations for quick reading of 10ths, 50ths, 32nds, and 64ths. This 24" long, 1" wide rule has a 1/50" thickness and satin chrome finish. The semi-flexible steel construction provides durability while allowing slight bending for curved surfaces.

Brand	Starrett
Model	C303SR-24

$171.56 Each

Free Shipping orders over $100

#6280212

CTD30

MK MORSE 167239 CTD30 HOLE CUTTER CT DEEP 1-7/8"

Brand	M.K. Morse
Model	CTD30

$81.47 Each

Free shipping

#5079823

RTU1 1/2

Timken RTU1 1/2 is a ball bearing take-up or cartridge unit designed for adjustable shaft support in conveyor and power transmission applications. This unit features a 1-1/2 inch shaft bore and a cartridge-style housing for simplified mounting and alignment. It is suitable for general industrial use where periodic belt or chain tension adjustment is required.

Brand	Timken
Model	RTU1 1/2

$275.49 Each

Free Shipping orders over $100

#2311034

326473-2

Alemite 326473-2 Cylinder is a lubrication accessory designed for use in Alemite grease guns and pumps. This replacement cylinder ensures reliable fluid delivery in industrial lubrication systems. Constructed from durable materials for long service life.

Brand	Alemite
Model	326473-2

$240.46 Each

Free Shipping orders over $100

#5906054

207KPPB55-H

Peer 207KPPB55-H

Brand	PEER Bearing
Model	207KPPB55-H

$52.38 Each

Free shipping

#336870

TB Woods 8J Sure-Flex Plus EPDM sleeve for Size 8 elastomeric couplings. One-piece solid design with no split, rated for 1,475 in-lb continuous torque and speeds up to 4,500 RPM. Compatible with Type J and JE flanges; operating temperature range -30°F to 275°F.

Brand	TB Woods
Model	8J

$52.48 Each

Free shipping

#5954509

B34LG

Bestorq B34LG Lawn and Garden Belt

Brand	Bestorq
Model	B34LG

$11.24 Each

Free shipping

Reviews

SKU: 264057

Great service and selection

I was very pleased to find this on the shelf. The price was fair, and the delivery was prompt. I will do business again with MRO

SKU: 262509

Service manager

on time.. great company thanks john gorth

SKU: 250096

Flexible coupler

Very fast and reliable shipping.

SKU: 255872

Met all expectations

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