Manufactured by Bestorq ↗

Bestorq Power Transmission Belts

USA-made V-belts, timing belts, specialty belts, and installation tools supplied by Oriontek. The full Bestorq lineup below — every belt and tool type, with sizes, construction, and performance.

Product Line

V-Belts

Wrapped, cogged, aramid, hex, open-ended, and heavy-duty V-belts — Bestorq's core power transmission range, led by the USA-made X5 EPDM cogged and X3 wrapped lines.

V-Belts

X5 EPDM Cogged
Cogged · Made in USA

X5 EPDM Cogged

AXBXCX3VX5VX8VXXPZXPAXPBXPC

USA-made EPDM cogged V-belt engineered for flexibility and energy savings. A precision-cogged design flexes with just 2% energy loss vs. 5–8% for competitors, resisting heat, oil, and chemical wear. Operating range -70°F to 260°F, static conductive to ARPM/Mine Safety standards.

  • 2% energy loss vs 5–8%
  • -70°F to 260°F EPDM
  • One-code, no set matching
  • Static conductive (ARPM/MSHA)
X5 Cogged Banded
Cogged Banded

X5 Cogged Banded

3VX5VX8VX

Banded version of the X5 cogged belt for high-power multi-groove drives that need tie-band stability while keeping the energy efficiency and EPDM durability of the X5 line.

  • Banded for stability
  • EPDM cogged
  • High-power drives
X3 Wrapped
Wrapped

X3 Wrapped

A/4LB/5LCD3V5V8VSPZSPASPBSPC

Next-generation wrapped V-belt built in the USA for high-load drives — high-tensile polyester cord, engineered fabric wrap, and tight tolerances that exceed ARPM and ISO matching. Static conductive; resists heat, oil, and dust.

  • High-tensile polyester cord
  • Exceeds ARPM/ISO tolerances
  • Heat/oil/dust resistant
  • Static conductive
Aramid Cord
Aramid

Aramid Cord

3VK5VK8VK

Aramid tensile-cord V-belt for high-shock, high-load drives — greater strength, dimensional stability, and shock resistance than polyester, carrying more load with fewer belts. Ideal for clutching and dynamic-torque drives.

  • Aramid cords, minimal stretch
  • For shock & clutching loads
  • Single or banded (to 30 ribs)
Open-Ended
Cut-to-Length

Open-Ended

ABC

Cut-to-length V-belting in continuous rolls up to 200 ft, pre-punched for quick fastening. Ideal for custom drives, retrofits, and fast field repairs where endless belts are impractical.

  • Rolls up to 200 ft
  • Pre-punched, fastener-ready
  • A/B/C profiles
Hex
Double-Sided

Hex

AABBCC

Double-sided classical hexagonal V-belt for serpentine and reverse-bend drives that transmit power from both surfaces. Pre-stretched polyester cords hold tension and prevent slip; exceeds ARPM/ISO matching.

  • Dual-sided power transfer
  • For reverse-bend/serpentine
  • AA/BB/CC profiles

Heavy Duty

Heavy-Duty 8V & D-Section
Severe Duty

Heavy-Duty 8V & D-Section

8VD

Next-generation 8V and D-section V-belts for severe shock-load drives — multi-layer fabric wrap resists cracking under constant back-bending, and they're proven to last 3–5x longer than typical belts in extreme-condition tests. Works with undersized backside idlers; meets ARPM oil/heat standards.

  • 3–5x life in extreme tests
  • Multi-layer fabric wrap
  • Backside-idler capable
  • Meets ARPM oil/heat
Product Line

Timing Belts

Synchronous belts with fiberglass tensile cords and nylon facing, stocked in sleeves for cut-to-width flexibility across trapezoidal, HTD, GT2, and RPP profiles.

Timing Belts

Timing Belts
Single-Sided

Timing Belts

TrapezoidalHTDGT2RPP

Synchronous belts with treated fiberglass tensile cords and high-strength nylon facing fabric for slip-free, backlash-free motion. Stocked in sleeves for cut-to-width flexibility across trapezoidal, HTD, GT2, and RPP profiles in round and square tooth.

  • Fiberglass cord, nylon facing
  • Cut-to-width from sleeves
  • Trapezoidal/HTD/GT2/RPP
Double-Sided Timing
Dual Tooth

Double-Sided Timing

8M14M

Dual-tooth synchronous belts that transmit accurate motion from both sides for reverse-drive systems, in a variety of profiles and pitches with reliable tooth engagement on both faces.

  • Dual-sided tooth engagement
  • For reverse drives
  • Multiple profiles/pitches
Trapezoidal Timing
Classic Profile

Trapezoidal Timing

MXLXLLHXH

Classic trapezoidal-tooth synchronous belts for indexing, timing, and cam drives — positive engagement for accurate speed control and low-backlash motion under variable loads.

  • Trapezoidal tooth
  • Low-backlash indexing
  • Variable-load capable
Product Line

Specialty & Custom Belts

Purpose-built belts for non-standard drives — automotive, lawn & garden, link belts, cotton cleaner, and dual-profile mill belts.

Specialty & Custom Belts

Automotive
OEM-Grade

Automotive

AVX10AVX11AVX13.380".440".500"PK

OEM-spec automotive belts in EPDM with high-modulus tension cords for cars, light trucks, and heavy-duty commercial vehicles. Cut-edge molded cogged belts in .380/.440/.500" widths, metric AVX cross-sections, and PK serpentine belts.

  • EPDM, high-modulus cords
  • Cut-edge molded cogged
  • Metric AVX + PK options
Lawn & Garden (Lightning)
Outdoor Power

Lawn & Garden (Lightning)

A48LG4L500LG

High-strength, flexible Lightning V-belts built for mower decks and outdoor power equipment — dependable traction and durability in dusty, stop-start service.

  • For mowers & OPE
  • High flexibility
  • Dusty/stop-start duty
Bestlink Link Belts
Twist-and-Lock

Bestlink Link Belts

3L (3/8")A (1/2")B (5/8")C (7/8")

Twist-and-lock link V-belts that assemble by hand in seconds — no tools, no pulley removal. Same horsepower rating as traditional rubber V-belts; stocked in 5, 25, and 100-ft rolls to build any length for emergency or full-time use.

  • Tool-free hand assembly
  • Same HP as rubber V-belts
  • 5/25/100-ft rolls
Cotton Cleaner
Cotton Ginning

Cotton Cleaner

CCB series

Synchronous belts purpose-built for inclined cotton cleaner machines and gins, delivering precise timed cylinder rotation in high-speed, debris-heavy conditions. Rubber compound resists tooth shear; multiple CCB sizes stocked for OEM replacement.

  • For gins/inclined cleaners
  • Synchronous timed rotation
  • OEM-replacement CCB sizes
Mill Belts
Dual-Profile

Mill Belts

8M14MS8M

Dual-profile belts with Poly V-ribbed grooves on one side and timing teeth on the other, molded as a single component (not glued) for grain, corn, and soybean milling. One-piece build resists peeling, separation, and delamination under continuous load.

  • Molded one-piece (not glued)
  • PK grooves + timing teeth
  • 8M/14M/S8M profiles
Product Line

Installation & Measurement Tools

Professional-grade alignment, tensioning, measurement, and storage tools that extend belt life and simplify maintenance.

Installation & Measurement Tools

LAT1 / LAT2 Laser Alignment
Alignment

LAT1 / LAT2 Laser Alignment

LAT1 indoorLAT2 outdoor

Magnetic-target laser alignment tools that align sheaves with up to 25-ft accuracy. LAT1 suits indoor/short spans; LAT2 uses a more powerful laser for outdoor/long spans. Reduces energy loss, noise, and bearing stress while improving belt tracking.

  • Up to 25-ft accuracy
  • LAT1 indoor / LAT2 outdoor
  • Cuts energy loss & wear
V-Belt Installation Tool
Installation

V-Belt Installation Tool

Patent pending

Roller-tipped install tool that walks a new V-belt onto the pulleys without prying or rolling by hand, protecting the belt from install damage. Built-in tension guide shows green when set and yellow if pulleys are worn.

  • No-pry belt installation
  • Green/yellow tension guide
  • Flags worn pulleys
Tension Sticks (8" & 24")
Tensioning

Tension Sticks (8" & 24")

8"24"

Elongation-based tension checkers that help apply the right tension without over- or under-tightening. Two lengths to match belt span; lightweight and durable for daily field use.

  • Elongation-based
  • 8" and 24" lengths
  • Field-durable
Tension Pen
Tensioning

Tension Pen

Pocket tool

Compact field tool for fast belt-tension verification during service checks — a practical, pocketable go-to for mobile teams.

  • Fast field checks
  • Pocket-sized
  • For mobile crews
TensionScale / Tension Scale HD
Tensioning

TensionScale / Tension Scale HD

StandardHD

Handheld digital gauges for accurate, repeatable force-deflection tension data across V-belt and timing-belt installs. HD version for heavier-duty applications.

  • Digital force-deflection
  • Standard & HD
  • V-belt + timing
Sheave Gauge
Measurement

Sheave Gauge

Groove gauge

Evaluates pulley groove wear and depth to catch worn or incorrect sheaves early, preventing belt damage — essential for routine inspections.

  • Checks groove wear/depth
  • Prevents belt damage
  • Quick inspection
4-Foot Belt Storage Rack
Storage

4-Foot Belt Storage Rack

Holds 10 sizes

Wall/counter rack that keeps belts organized and protected, maintaining shape and preventing damage during storage. Each line rack holds 10 sizes.

  • Holds 10 sizes
  • Prevents deformation
  • Counter/shop mount
Applications

Industries We Serve

Bestorq belts are at work across demanding industries where long belt life, consistent grip, and reduced maintenance matter.

HVAC/R

HVAC/R

Quiet, efficient wrapped and cogged belts for fans, blowers, compressors, and refrigeration drives that need steady operation with minimal adjustment.

Agricultural

Agricultural

Durable belts for harvesters, combines, and farm equipment exposed to dust, debris, variable loads, and long operating hours.

Aggregate & Mining

Aggregate & Mining

Heavy-duty and static-conductive belts built for crushers, screeners, and conveyors in high-shock, abrasive environments.

Oil & Gas

Oil & Gas

Aramid and heavy-duty belts that endure continuous impact and high static loads on pump jacks, compressors, and mud pumps.

Lumber & Forestry

Lumber & Forestry

Long-life belts for trim saws, debarkers, and mill drives — a lumber mill replaced failing belts with X5 cogged and saw major life gains.

Food & Beverage

Food & Beverage

Clean-running belts for mixers, conveyors, pumps, and packaging equipment with reliable, sanitary-friendly power transmission.

Poultry Processing

Poultry Processing

Reliable belts for processing lines and material handling in demanding, wash-down poultry environments.

Data Centers

Data Centers

Static-conductive belts for cooling and support systems where uptime, quiet operation, and low maintenance are critical.

Air Compressors

Air Compressors

High-load cogged and wrapped belts that keep compressor drives running efficiently with resistance to heat and stretch.

Strengths

Why Bestorq

What sets Bestorq belts apart — USA manufacturing, measurable energy savings, and quality you can standardize on.

Made in the USA

X5 cogged V-belts are manufactured and designed in Bestorq's Lincoln, Nebraska facility for full quality control and fast turnaround.

Energy Efficiency

Precision-cogged X5 belts flex with just 2% energy loss versus 5–8% for competitors — on a 20 HP motor that's up to $960/year saved, with payout in as little as 18 days.

Fewer Replacements

EPDM compounds and tight tolerances resist heat, cracking, and stretch, delivering longer service life and fewer changeouts across operating cycles.

ISO 9001 Quality

Belts are manufactured under ISO 9001-certified processes and built to exceed ARPM and ISO matching tolerances for consistent belt-to-belt performance.

Fast Availability

Common profiles and sizes are stocked for immediate shipment across North America, with many specialty belts shipping same day.

Static Conductive & Safe

X5 and X3 belts are static conductive and meet ARPM and Mine Safety standards, making them suitable for mining and other sensitive environments.

Resources

Belt Selection & Technical Guides

Practical guidance for selecting, identifying, tensioning, and maintaining drive belts — plus the Bestorq Belt ID Chart for matching an existing belt to the right replacement.

How to Select the Right V-Belt

Gather horsepower and RPM, apply a service factor (as low as 1.0 for light-duty fans, 1.5–1.8 for crushers or ball mills), multiply for Design Horsepower, then choose the cross-section (A, B, C, 3V, 5V). Cogged belts run on smaller pulleys and handle higher temperatures.

How to Identify a Belt

Check the belt's printed markings first; if worn, measure top width, thickness, and circumference, then match cross-section and construction (wrapped, cogged, ribbed, or timing) against the Belt ID Chart. Always replace all belts in a set and check pulleys for wear.

Proper Tensioning (Elongation Method)

Measure free belt length, apply the tension factor, and set tension precisely — over-tensioning stresses bearings while under-tensioning causes slip. The elongation method removes the guesswork and extends belt life on heavy drives.

Belt Drive Theory

Understand the difference between friction-based V-belts and positive-engagement timing belts, and the factors — alignment, tension, pulley size, temperature — that most affect belt performance and life.

V-Flat Drives

V-flat drives blend a V-belt on the driver sheave with a flat pulley on the driven side, unlocking more adaptable, cost-effective solutions for certain large-diameter drive layouts.

Formulas Cheat-Sheet

Quick-reference formulas for belt length, belt speed, power, torque, and tension so you can size and validate a drive fast.

Download Belt ID Chart (PDF) More Bestorq Resources ↗
Watch

Bestorq Videos

Energy savings, tensioning, and tool how-to videos from Bestorq.

Bestorq X5 Energy Savings

How USA-made X5 EPDM cogged belts cut energy loss to 2% and save on operating costs.

Watch on YouTube ↗

X5, V-Belt & Timing Belt Energy Savings

The efficiency advantage across Bestorq's V-belt and timing belt lines.

Watch on YouTube ↗

Proper V-Belt Tensioning

Correct tensioning technique to protect bearings and extend belt life.

Watch on YouTube ↗

Tension Stick

Using the Bestorq Tension Stick to apply the right tension by elongation.

Watch on YouTube ↗

Laser Alignment Tool — How To

Step-by-step use of the Bestorq LAT laser alignment tool for exact pulley alignment.

Watch on YouTube ↗
Visit the Bestorq YouTube Channel ↗

Need Bestorq Belts?

Oriontek supplies the full Bestorq belt and tool line. Send your part number, cross-reference, or application and we'll quote the right belt.

Request a Quote Call (786) 440-6995