BESTORQ A52 or 4L540 V-Belt, Classic Wrapped Rubber X3 V-Belt, Black, 54" Outside Circumference x .51" Width x .34" Height, P

4.5 4.5 out of 5 stars | 780 ratings

Price: 10.63

Last update: 09-03-2024


About this item

BESTORQ X3 fabric wrapped V-belts bring in a new generation of wrapped V-belt performance; These belts are constructed of highly engineered, high-performance components that are manufactured using the latest in belt technology available on a global basis
They are specially designed to be low maintenance and are proven to be extra durable for belt life that will outlast the competition; Reduced maintenance downtime and increased machine uptime means you save time and money
The helically wound tensile cords are created of a pre-stretched polyester material specially engineered, twisted, then set by both heat and chemical means; Testing has proven that the tensile decay properties of BESTORQ Cord are truly World Class
X3 v-belts are amazingly uniform and smooth running; With excellent adhesion between components and low stretch tensile cords, they have very low elongation and will not require any rechecks or retensioning if installed at the correct recommended tension
The BESTORQ A52 or 4L540 v-belt has a 54" outside circumference, 52" inside circumference, .51" width, and a .34" height; See images for cross section schematic


From the manufacturer

Bestorq Banner Website
X3 Hero Image

Bestorq Logo
Our main business is manufacturing Power Transmission Belts

Bestorq was incorporated in 2006, and brings over 81 years of combined engineering experience to help even the toughest application.

Product is designed, developed and tested in Lincoln, Nebraska

Classical Wrapped V-Belts

A or 4L Cross Section

The belts exceed USA RMA published ratings levels. They are designed to perform at the identical or higher level than all other major USA Manufacturer’s belts of the same type.

The body rubber compound is a highly engineered synthetic rubber compound, specially compounded for cool running, flexibility, crack resistance, and excellent bonding to the outer fabric and tensile cords.

  • The outer fabric wrap is treated with highly oil and heat resistant, engineered synthetic rubber compound, specifically compounded for excellent wear resistance
  • The helically wound tensile cords are specially engineered, twisted, heat and chemically set, polyester material

Aor4L Classic Wrapped IC OC

X3 Classic Wrapped V-Belt Cross Section

Single V-Belt Dimensions

Understanding Part Numbers and Circumference

AXX

XX - Inside Circumference

Example: A30 = 1/2" Wide; 30" IC (32" OC)

4LXXX

XXX = Outside Circumference

Example: 4L400 = 1/2" Wide; 40" IC

Bestorq X3 Cross Section

Cross Section Dimensions

For A or 4L Bestorq X3 Classic Wrapped V-belts:

Top Width: .51"

Thickness: .34"

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Customer Reviews
4.5 out of 5 stars
780
4.7 out of 5 stars
79
4.0 out of 5 stars
9
5.0 out of 5 stars
3
5.0 out of 5 stars
3
Price $11.03 $12.23 $19.59 $20.93 $162.80 $113.47
Explore More from Bestorq Classic Wrapped V-Belt Classic Cogged V-Belt Lawn & Garden V-Belt Double Sided V-Belt BESTLINK Linked V-Belts Classic Wrapped Wedge Belt
These raw-edge notched belts allow for higher load ratings than standard wrapped belts. Great for Lawn & Garden equipment of all types, Ag Equipment and all types of inductrial drives, especially where misalignment clutching or backside idlers are present A temporary replacement or permanent substitute for conventional rubber v-belts. Simply “Twist and Lock” belt tabs into place, no need for special tools. Made from pre-strectched polyester cord for industrial strength
Click Here to Learn More Click Here to Learn More Click Here to Learn More Click Here to Learn More
Customer Reviews
4.6 out of 5 stars
6
4.6 out of 5 stars
138
4.7 out of 5 stars
15
Price $33.75 $18.69 $43.41 $87.73
Even More from Bestorq Automotive Serpentine HTD Timing Belts Banded Cogged Banded Classic Wrap
Our Automotive “K” (or called ”PK”) belts are stocked in OEM quality EPDM construction with HMLS tension cords. This is the belt used on many Original Equipment cars around the world. A good !t in all three major metric round tooth pulley pro!les found in North America (RPP, HTD, and PGGT2) with clearance to enter and exit the di"erent pulley pro!le shapes.

Top reviews from the United States

GlassBullies
5.0 out of 5 stars Quality build, perfect fit.
Reviewed in the United States on August 17, 2024
As the title says, replaced the belt on my attic fan. The fit was exact and you can tell no corner's were cut during manufacturing. I highly recommend any product from this company.
VOD
5.0 out of 5 stars good value
Reviewed in the United States on July 3, 2024
belts work great and a great price. very good quality
Ivan O. Durham
5.0 out of 5 stars fits good
Reviewed in the United States on June 29, 2024
fits my dr trimer mower, works as intended
James A. Carvalho
4.0 out of 5 stars Well made
Reviewed in the United States on July 8, 2024
Nice quality finish
Douglas Derby
5.0 out of 5 stars Classic belt
Reviewed in the United States on August 29, 2024
Matched pair for a very old aapplication. Working great at a very good price
5280 High Altitude Living
5.0 out of 5 stars Long Lasting High Quality A60 vbelt
Reviewed in the United States on July 11, 2024
This BESTORQ A60 v-belt lasted 10 years on our whole house fan that is in our hot attic. When it finally broke we wanted to get the exact same brand. Hopefully this one will last 10 plus years like the original. We are also happy to have a back up as a spare with the 2 pack as it was not fun when the fan broke in the middle of a heat wave. We were able to get our fan back up and running in less than 24 hours thanks to Amazon’s overnight delivery.
Addison
5.0 out of 5 stars excellent fit
Reviewed in the United States on May 22, 2024
This was perfect for our shop fan and was at a great price!!!
Stephanie Spino
1.0 out of 5 stars Order extra and return what you don’t use!!
Reviewed in the United States on August 30, 2024
I ordered a set of three and there were only two belts in the bag. I needed to use them right away on ac units in Texas summer heat so now I have to order a new set and wait!

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