BESTORQ B30 or 5L330 V-Belt, Classic Wrapped Rubber X3 V-Belt, Black, 33" Outside Circumference x .66" Width x .43" Height, P

4.3 4.3 out of 5 stars | 246 ratings

Price: 16.16

Last update: 01-09-2025


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 B30 or 5L330 v-belt has a 33" outside circumference, 30" inside circumference, .66" width, and a .43" height; See images for cross section schematic

From the manufacturer

Bestorq Banner Website
X3 Hero Image

B or 5L Cross Section

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

BESTORQ X3 Fabric Wrapped V-Belts

Low maintenance belts with high load capacity

BESTORQ X3 fabric wrapped V-belts bring in a new generation of wrapped V-Belt performance. They are specially designed to be low maintenance and are proven to be extra durable for belt life that will outlast the competition. Cutting down maintenance and keeping your machines running means you save time and money.

These 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 outer fabric wrap is treated with highly oil and heat resistant, engineered synthetic rubber compound
  • The helically wound tensile cords are specially engineered, twisted, heat and chemically set, pre-stretched polyester material
  • The body rubber compound is a highly engineered synthetic rubber compound designed for cool running, flexibility, crack resistance, and excellent bonding to the outer fabric and tensile cords
  • Low maintenance requiring no rechecks or re-tensioning
  • Due to superior chemistry and optimized belt design, the X3 belts lose less energy due to bending than any competitor wrapped uncogged belt

B or 5L Circumference

Understanding Part Numbers and Circumference

BXX

XX - Inside Circumference

Examples:

B54 = 54" IC (57" OC)

B248 = 248" IC (249.4" OC)

5LXXX

XXX = Outside Circumference

Example:

5L570: 570/10 = 57" OC

X3 Classic Wrapped V-Belt Cross Section

Bestorq X3 Cross Section

B Style cross section dimensionsDimensions

Cross Section Dimensions

For B or 5L Bestorq X3 Classic Wrapped V-belts:

Top Width: .66"

Thickness: .43"

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Customer Reviews
4.3 out of 5 stars
246
4.7 out of 5 stars
51
5.0 out of 5 stars
1
5.0 out of 5 stars
1
4.1 out of 5 stars
4
5.0 out of 5 stars
3
Price $22.45 $35.99 — — — $91.02
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
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Customer Reviews
4.6 out of 5 stars
7
4.6 out of 5 stars
140
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4.6 out of 5 stars
18
Price — $22.03 — $106.54
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

  • eddie d.
    5.0 out of 5 stars good value
    Reviewed in the United States on May 7, 2024
    belt fit great and appears to be of good quality. has worked great so far and at a great price also.
  • CKond
    4.0 out of 5 stars Quick response ????
    Reviewed in the United States on January 1, 2025
    Fast and dynamic function very strong. ????
  • Blazer81
    5.0 out of 5 stars Great fit
    Reviewed in the United States on July 25, 2024
    Product well described great value.
  • greg
    5.0 out of 5 stars Good belt
    Reviewed in the United States on October 8, 2024
    Made good. I ise it on a firewood processor. It runs the saw seems to hold up better than others.
  • Amazon Customer
    5.0 out of 5 stars Belt
    Reviewed in the United States on June 16, 2024
    Look good and fit good ????
    Good Value all good ????
  • Louis Pozek
    4.0 out of 5 stars good job
    Reviewed in the United States on April 4, 2024
    OK
  • Great quality and price arrive on time thank you
    5.0 out of 5 stars Great quality
    Reviewed in the United States on July 17, 2024
    Good price and product thank you
  • Amazon Customer
    1.0 out of 5 stars BESTORQ B80 or 5L830 Rubber V-Belt is Not Durable
    Reviewed in the United States on September 29, 2024
    Installed this belt on a Dixie Chopper as an engine to deck belt. Only lasted for about 6 hours of cutting before breaking. The prior belt lasted several seasons of residential cutting. Very disappointed with the durability of this belt. I will not buy again and would not recommend.

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