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Power Transmission
Industrial Timing Belts
A complete power transmission belt range covering motors, compressors, pumps, and gearboxes with slip-free synchronous efficiency.
Synchronous Drive · Broad Horsepower Range
Temperature Range -30°C ~ +110°C
Related Products
Explore our range of heavy-duty timing belts designed for various industrial needs.
Power Transmission Industrial Timing Belts — Engineered for Excellence
Our power transmission industrial timing belts are designed as a general-purpose replacement for V-belts and chain drives across the full spectrum of rotating equipment — motors, compressors, pumps, blowers, and gearbox inputs. By eliminating slip inherent to friction drives, these belts deliver consistent RPM ratios and measurably higher drive efficiency across the horsepower range most facilities actually run.
Material & Construction
The belt line spans multiple tension member options — aramid fiber for standard horsepower ranges and steel wire for larger drives — molded into a polyurethane or neoprene body selected to match the operating environment. A broad range of pitches (from 5mm to 20mm) and widths (10mm to 150mm) lets a single product family cover fractional-horsepower motors through large industrial compressors.
Design & Performance
Because synchronous belts do not slip like V-belts, drive ratios stay exact regardless of load variation, and transmission efficiency typically runs 98% or higher versus 93-95% for friction V-belt drives — a meaningful energy saving across a facility running hundreds of motors. The trapezoidal-to-curvilinear tooth transition series available in this line lets engineers match tooth geometry to torque requirements without changing belt family.
Manufacturing Excellence
Manufactured under ISO 9001 protocols with horsepower rating validated on dynamometer test stands across the full pitch and width range. Each belt family is benchmarked against DIN 7721 and RMA IP-24 standards to ensure horsepower ratings are directly comparable to industry catalogs, simplifying like-for-like replacement of existing drives.
Customization & Flexibility
With such a broad application range, we offer horsepower-matched sizing across our full pitch range, including double-sided belts for serpentine drive layouts and belts pre-punched for positive-drive sprocket systems. Our sizing team can convert an existing V-belt or chain drive specification directly into the equivalent synchronous belt part number.
Applications Across Industries
Our power transmission industrial timing belts are deployed in:
- Motors & Drives – general motor-to-load power transfer.
- Compressors – reciprocating and rotary screw drives.
- Pumps – centrifugal and positive displacement pump drives.
- Blowers & Fans – industrial ventilation drive systems.
- Gearbox Inputs – primary reduction drive stages.
- Generators – engine-to-generator power transmission.
Whether replacing a worn V-belt or specifying a new drive from scratch, our power transmission belt range covers the horsepower and pitch combination your equipment needs. Efficient, slip-free power transfer, fleet-wide.
Built for Performance
Every belt is designed to deliver exceptional durability, precision, and efficiency across a wide range of power transmission industrial timing belts applications.
Broad Horsepower Range
Single product family spans fractional-horsepower motors to large industrial compressors.
Slip-Free Synchronous Drive
Maintains exact RPM ratio regardless of load variation, unlike friction V-belts.
Higher Drive Efficiency
Typically achieves 98%+ transmission efficiency versus 93-95% for V-belt drives.
Cross-Industry Compatibility
Standard pitch and width options simplify replacement across mixed equipment fleets.
Core Technical Advantages
Beyond standard specifications, our belts incorporate engineering innovations that deliver superior performance.
Multi-Pitch Product Family
Covers pitches from 5mm to 20mm within one consistent construction platform.
Dynamometer Horsepower Validation
Every pitch/width combination is rated on test stands rather than calculated theoretically.
Serpentine & Multi-Drive Options
Double-sided belts available for complex multi-pulley drive layouts.
Direct Catalog Cross-Reference
Ratings benchmarked to DIN 7721 and RMA IP-24 for straightforward V-belt replacement.
Technical Specifications
Standard and heavy-duty series — select the right belt for your drive system.
| Model | Pitch (mm) | Width (mm) | Tensile Member | Max Load (N) | Temp. Range |
|---|---|---|---|---|---|
| PT-3000 | 5.0 | 25 | Aramid | 3,000 | -30 ~ +100 |
| PT-5000 Popular | 8.0 | 40 | Aramid | 5,600 | -30 ~ +105 |
| PT-7000 Popular | 14.0 | 55 | Steel | 10,200 | -30 ~ +110 |
| PT-9000 Heavy | 14.0 | 85 | Steel | 15,400 | -30 ~ +110 |
| PT-11000 | 20.0 | 100 | Steel | 20,800 | -25 ~ +110 |
* Direct cross-reference to standard V-belt horsepower ratings available on request.
Performance Data
Visual insights into load capacity, precision, and operating characteristics.
Maximum Load Capacity (N)
Transmission Efficiency vs. Load
Energy Savings vs. V-Belt Drive
Load vs. Belt Width (PT-7000)
About Us
The company is China Power Transmission Industrial Timing Belts Manufacturers and Wholesale Power Transmission Industrial Timing Belts Factory, and was established in 1992, specializing in the production of rubber timing belts, V-ribbed belts, open belts and timing pulleys. The company now has the factory covering an area of 32,000 square meters , with an annual output of 120 million pieces and an output value of 200 million yuan. The company is a national high-tech enterprise, the drafting unit of national standards and industry standards, and has passed ISO9001, ISO14001 and ISO45001 system certification.
Contact Us
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1992
Company was established in
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32000
Factory covers an area(㎡)
-
6000+
Number of Molds
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120 Million
Annual production capacity
Why Choose Us
Decades of engineering excellence in power transmission.
- In-house R&D with 40+ years of belt technology expertise
- Strict quality control — every belt tested to ISO standards
- Custom solutions: length, width, and material options
- Global supply chain with fast lead times
Field reliability rate
Based on 5-year performance data across 12,000+ installations worldwide.
Key Applications
Trusted by engineers across industries for reliable, maintenance-free power transmission.
Motors & Drives
general motor-to-load power transfer
Compressors
reciprocating and rotary screw drives
Pumps
centrifugal and positive displacement pump drives
Blowers & Fans
industrial ventilation drive systems
Gearbox Inputs
primary reduction drive stages
Generators
engine-to-generator power transmission
Product Application What We Offer
Industry Case Studies
Real-world applications demonstrating the reliability and performance of our belts.
Air Compressor Retrofit
Replaced dual V-belts on a rotary screw compressor, cutting belt-related downtime and measured energy draw.
-6% energy consumptionMunicipal Water Pump Station
Delivered consistent flow rates by eliminating slip-related RPM variation across three pump drives.
24 months no re-tensionStandby Generator Set
Provided reliable engine-to-generator power transfer for a facility's backup power system.
99.9% start reliabilityIndustrial Blower Fleet
Standardized 60 ventilation fan drives onto a single belt family, simplifying maintenance inventory.
-70% spare part SKUsQuality & Certifications
Our commitment to quality is backed by internationally recognized standards and rigorous in-house testing.
Our Certificate
Intellectual Property Certificate
Certificate of integration of industrialization and industrialization
National Product and Service Quality Integrity Demonstration Enterprise
National quality inspection stable qualified products
National rubber transmission belt industry quality brand
Zhejiang Province Credit Management Demonstration Enterprise
International Standard Machinery Industry Third Prize
ISO9001 System Certification
ISO45001 System Certification
ISO14001 System Certification
Second prize
Industry advanced
Custom Solutions
We offer tailored belts to meet your unique application requirements. Contact our engineering team for a quote.
Custom Lengths
200mm to 18,000mm
Full Width Range
10mm up to 150mm
Double-Sided Belts
For serpentine multi-pulley drives
Positive-Drive Punching
Pre-punched for sprocket systems
Horsepower Matching
Direct V-belt cross-reference sizing
Special Materials
FDA-approved, antistatic, flame-retardant
Installation & Maintenance Tips
Proper installation and routine maintenance maximize belt life and drive reliability.
Installation Best Practices
- Confirm horsepower rating matches or exceeds your motor's rated output with service factor applied.
- Align pulleys within 0.5° to prevent premature edge wear on wider power belts.
- Use appropriate tensioning tools; synchronous belts require less tension than equivalent V-belts.
- Verify pulley tooth count matches belt pitch to avoid ratio errors.
- Check for pulley wear or damage before mounting a new belt.
Maintenance & Inspection
- Periodically verify belt tension with a sonic tension meter.
- Inspect for tooth wear, cracking, or fraying at recommended service intervals.
- Keep belts clean of oil, dust, and debris that accelerate wear.
- Track running hours to anticipate replacement before failure.
- Confirm pulley alignment remains within spec after any equipment maintenance.
Frequently Asked Questions
Find answers to the most common questions about our power transmission industrial timing belts.
Do you have a question? Feel free to contact!
Tel: +86-0574-62498188 62497298
Fax: +86-0574-62497297
E-mail: 
Add: No. 65, Middle Jinniu Road, Moushan Town, Yuyao City, Zhejiang Province, ChinaCopyright © Ningbo GUL TZ Rubber Belt Co., Ltd. All rights reserved.
Wholesale Power Transmission Industrial Timing Belts Manufacturers
