BESTORQ B42 or 5L450 Rubber V-Belt, Wrapped, Black, 45" Length x 0.66" Width x 0.44" Height

4.3 4.3 out of 5 stars | 223 ratings

Price: 11.75

Last update: 06-24-2024


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 B42 or 5L450 v-belt has a 45" outside circumference, 42" 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

X3 Classic Wrapped V-Belt Cross Section

B Style cross section dimensionsDimensions

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

Bestorq X3 Cross Section

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
223
4.5 out of 5 stars
37
5.0 out of 5 stars
1
5.0 out of 5 stars
1
5.0 out of 5 stars
3
5.0 out of 5 stars
3
Price $22.88 $33.61 $53.99 $64.39 $55.62 $85.37
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
133
4.7 out of 5 stars
15
Price $34.35 $18.69 $36.45 $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

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.
Moe
5.0 out of 5 stars Good belt, order by belt measurement not p/N
Reviewed in the United States on June 16, 2024
Good belt , just order by measurement not part number
Louis Pozek
4.0 out of 5 stars good job
Reviewed in the United States on April 4, 2024
OK
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 ????
Belt A.
5.0 out of 5 stars Same size as Gates B110 v belt
Reviewed in the United States on June 20, 2024
High quality, fit perfect .
Will buy again.
Amazon Customer
1.0 out of 5 stars failed after 3 hours
Reviewed in the United States on June 13, 2024
Maybe its not the right belt for a 6 foot finish mower? It was toast after about 3 hours of mowing.
Suzanne M Lashway
5.0 out of 5 stars Quick shipping
Reviewed in the United States on May 21, 2024
Quick ship and exactly what we needed.
Tom
5.0 out of 5 stars Exactly as Described
Reviewed in the United States on May 10, 2024
This belt is exactly what it says it is. I would buy it again.

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