Engineered specifically around the mechanical demands of reverse-rotation drive layouts, where a belt segment repeatedly bends in both directions around a reversing idler.
Purpose-Built for Counter-Rotation Layouts
Temperature Range -20°C ~ +100°C
Our reverse drive double sided timing belts are engineered around a specific mechanical reality of counter-rotation layouts: the belt segment that wraps a reversing idler bends in the opposite curvature direction from the rest of the loop, subjecting that section to a distinct fatigue pattern most standard double-sided belts aren't specifically optimized for. This series focuses tooth and compound design on surviving that reverse-bend cycle reliably over the long term.
The belt compound is formulated with enhanced reverse-flex fatigue resistance, and tooth root geometry on both faces is optimized to reduce stress concentration specifically at the point where curvature direction changes across the reversing idler contact zone. Tension cords (steel or fiberglass depending on load) are selected and positioned for balanced fatigue performance under this bidirectional bending pattern.
A conventional belt design optimized purely for one-directional wrap can develop premature fatigue cracking at the reversing idler contact zone, where the belt curvature briefly inverts; this series' compound and tooth-root geometry are specifically validated under repeated reverse-bend cycling on a dedicated fatigue test rig that replicates true reversing-idler geometry, not just standard single-direction flex testing.
Production includes reverse-bend fatigue testing on a rig configured to replicate actual reversing-idler wrap geometry and cycle rate, with belts required to meet a minimum reverse-cycle life threshold before the compound formulation is approved for this product line.
Available in T5, T10, and T20 pitch, engineered around your specific reversing idler diameter, since tighter reversing radii impose more severe fatigue demands than larger ones. Our team will size the belt and recommend minimum reversing idler diameter for your target service life.
Our reverse drive double sided timing belts are deployed in:
A belt that lasts in a standard wrap doesn't automatically last through a reversing idler — this series is built and tested specifically for the fatigue pattern that reverse-rotation layouts actually create. Built for the bend that breaks other belts.
Every belt is designed to deliver exceptional durability, precision, and efficiency across a wide range of reverse drive double sided timing belts applications.
Formulated specifically to withstand bidirectional bending cycles.
Reduced stress concentration at the point of curvature inversion.
Fatigue validated on a rig replicating actual reversing geometry.
Sized to your specific reversing idler radius for target service life.
Beyond standard specifications, our belts incorporate engineering innovations that deliver superior performance.
Formulation specifically screened for bidirectional bending fatigue resistance.
Geometry reduces stress concentration where curvature direction inverts.
Testing replicates true reversing-idler wrap geometry, not generic flex testing.
Belt and idler diameter matched together for a target service life.
Standard and heavy-duty series — select the right belt for your drive system.
| Model | Pitch Type | Width (mm) | Tensile Member | Min. Reversing Idler Dia (mm) | Temp. Range |
|---|---|---|---|---|---|
| RD-T5-1000 | T5 | 16 | Fiberglass | 30 | -20 ~ +90 |
| RD-T10-1300 Popular | T10 | 20 | Fiberglass | 45 | -20 ~ +95 |
| RD-T10-1700 Popular | T10 | 25 | Steel | 50 | -20 ~ +100 |
| RD-T10-2100 Heavy | T10 | 32 | Steel | 55 | -20 ~ +100 |
| RD-T20-2800 | T20 | 40 | Steel | 80 | -15 ~ +100 |
* Minimum reversing idler diameter listed for rated reverse-cycle fatigue life.
Visual insights into load capacity, precision, and operating characteristics.
The company is China Reverse Drive Double Sided Timing Belts Manufacturers and Wholesale Reverse Drive Double Sided 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.
Company was established in
Factory covers an area(㎡)
Number of Molds
Annual production capacity
Decades of engineering excellence in power transmission.
Field reliability rate
Based on 5-year performance data across 12,000+ installations worldwide.
Trusted by engineers across industries for reliable, maintenance-free power transmission.
belts requiring periodic direction reversal
counter-rotating roller and let-off drives
reverse-drive diverter and sorting mechanisms
reversing feed and indexing drives
counter-rotating cylinder drives
any layout with a reversing idler in the belt path
Real-world applications demonstrating the reliability and performance of our belts.
Eliminated premature cracking at the reversing idler that had caused repeated failures with a standard double-sided belt.
+180% reverse-cycle service lifeWithstood continuous direction reversal in a textile let-off mechanism running three shifts.
14M+ reversal cyclesResolved recurring belt fatigue failures at a tight-radius reversing idler in a packaging feed system.
Zero failures in 12 monthsDelivered reliable reverse-drive service in a high-load sortation diverter operating continuously.
10,600N rated at 80mm idlerOur commitment to quality is backed by internationally recognized standards and rigorous in-house testing.
We offer tailored belts to meet your unique application requirements. Contact our engineering team for a quote.
T5, T10, and T20 available
Matched to your reversing geometry
16mm up to 50mm
Fiberglass or steel cord
300mm to 10,000mm
Reverse-cycle test results available
Proper installation and routine maintenance maximize belt life and drive reliability.
Find answers to the most common questions about our reverse drive double sided timing belts.