Deskripsi
Available in four specialized models—HV3F3-8×9W and SC180 for rocker joint configurations, alongside CL06F2-12X11W and SC1252-11X10W for round pin variants—these chains cater to a broad torque spectrum, from 36 kN in compact applications to 80 kN in heavy-duty setups. Constructed from austempered high-carbon steel plates with a martensite-bainite microstructure, they exhibit exceptional fatigue resistance, capable of enduring over 300,000 km of rigorous use in environments laden with contaminants like mud, salt, or industrial abrasives.
Rocker Joint Type Silent Chains
To facilitate precise model selection for your driveline requirements, the table below details the specifications for Rocker Joint Type Silent Chains. These metrics, encompassing pitch dimensions, guide configurations, and strength ratings, are calibrated to standard engineering protocols, enabling direct comparisons with your torque profiles and spatial constraints for assured compatibility and peak performance.
| Rantai No. |
Pitch | Width between guides |
Pin length |
Pin depth |
Plate thickness |
Guides type |
Number of plate |
Ultimate tensile strength |
Weight per meter |
|
| P | W | L max | h2 max |
tt max |
T max |
n | Q min |
q | ||
| mm | mm | mm | mm | mm | mm | kN/lbf | kg/m | |||
| HV3F3-8×9W | 9.525 | 23.25 | 29.20 | 10.90 | 1.55 | 1.55 | Outside | 17(8*9) | 36/8096 | 1.5 |
| SC180 | 11.113 | 31.41 | 36.33 | 13.52 | 1.55 | 1,55 | Outside | 21(9*12) | 72/16193 | 2.4 |
Derived from rigorous dynamometer assessments, these values ensure robustness; expect enhanced margins in operational settings. Customizations for specific pin geometries or guide types are available with minimal lead times. Reach out for CAD models or fatigue analyses to refine your specifications.
Round Pin Type Silent Chains

The following table presents comprehensive specifications for Round Pin Type Silent Chains, highlighting parameters such as pin lengths, plate thicknesses, and tensile capacities. This data supports engineering evaluations, allowing you to correlate with load cycles and environmental factors for durable, efficient implementations.
| Rantai No. |
Pitch | Width between guides |
Pin length |
Pin depth |
Plate thickness |
Guides type |
Number of plate |
Ultimate tensile strength |
Weight per meter |
|
| P | W | L max | h2 max |
tt max |
T max |
n | Q min |
q | ||
| mm | mm | mm | mm | mm | mm | kN/lbf | kg/m | |||
| CL06F2-12X11W | 9.525 | 32.55 | 38.20 | 11.6 | 1.55 | 1.55 | Outside | 23(12*11) | 68/15293 | 2.2 |
| SC1252-11X10W | 12.780 | 30.00 | 36.72 | 15.5 | 1.55 | 1.55 | Outside | 21(11*10) | 80/17992 | 2.8 |
Note:* These tabulated figures represent conservative minimums, with actual performance often exceeding by 10-15% in validated tests. For adaptations like extended widths in multi-axle designs, modifications can be executed promptly. Consult our specialists for integration simulations or material certifications to align with your project timelines.
Silent Chain’s Advantages in Transmission Systems
The Silent Chains persistently challenge noise, vibration, and harshness (NVH) in modern automotive and industrial powertrains. Unlike conventional roller chains that generate audible whine through polygonal action—where chordal rise induces periodic speed fluctuations—these silent chains employ advanced joint mechanisms to ensure virtually imperceptible operation, often registering below 65 dB even at peak rotational speeds exceeding 7,000 rpm. This acoustic superiority stems from their inverted-tooth profile, which facilitates continuous meshing with sprockets, thereby eliminating the discrete impacts that plague traditional designs and delivering a smoother torque flow critical for passenger comfort and mechanical longevity.
For instance, in off-road vehicles, this translates to reliable power distribution across axles without the need for frequent adjustments, reducing unscheduled downtime by up to 40% as reported in field trials. Industrial users, such as those in conveyor-driven manufacturing, benefit from the chains’ 99% mechanical efficiency, which minimizes energy losses and supports sustainable operations by lowering overall power consumption.

Moreover, the chains’ design incorporates pre-stretching during manufacturing to negate initial elongation, ensuring immediate dimensional stability upon installation. This feature is particularly advantageous in hybrid electric vehicles (HEVs), where precise synchronization between internal combustion engines and electric motors is paramount to avoid efficiency drops or harmonic disturbances. Engineers designing transfer cases for full-size trucks or commercial fleets appreciate the chains’ ability to handle torque spikes up to 1,000 Nm without compromising NVH levels, fostering quieter cabins that enhance driver focus and reduce fatigue over long hauls. By integrating these silent chains, system integrators can achieve compliance with stringent emission and noise regulations, such as those under Euro 7 standards, while simultaneously cutting warranty claims by 25% through enhanced durability.
In essence, Ever-Power’s offerings not only resolve technical pain points but also elevate overall system performance, making them an indispensable choice for forward-thinking professionals in automotive and mechanical engineering fields.
Key Features of Silent Chain
Advanced Rocker or Round Pin Joints: These mechanisms eradicate chordal vibrations by enabling fluid sprocket engagement, resulting in NVH reductions that make the chain ideal for luxury vehicles where cabin serenity is a premium feature.
High-Torque Capacity with 99% Efficiency: Rated for up to 3,000 HP and 7,000 feet per minute, the chains transfer power with minimal losses, optimizing fuel economy in 4WD systems and extending battery life in electrified drivetrains.
Austempered Steel Construction: The 1.55 mm thick plates undergo heat treatment for superior impact resistance up to 30% overload, ensuring reliability in extreme conditions like arctic cold or desert heat without material degradation.
Self-Locking Geometry: Eliminates the need for tensioners or idlers, simplifying assembly and reducing part counts, which in turn lowers manufacturing costs and eases field servicing.
Rapid Customization Options: Adjust guide widths or plate counts within 24 hours, allowing engineers to tailor chains for unique layouts such as dual-motor EV axles or variable-ratio transmissions.
Integrated Lubrication System: Built-in micro-reservoirs dispense oil over extended intervals, supporting maintenance cycles of 100,000 km and minimizing contamination risks in sealed environments.
Collectively, these characteristics position the silent chains as a versatile upgrade over legacy components. In practical terms, for a mid-size SUV transfer case, the efficiency gains can yield 2-3% better overall vehicle mileage, while the noise suppression enhances perceived quality, directly impacting consumer satisfaction ratings in automotive reviews.

Differences Between Rocker Joint Type and Round Pin Type Silent Chains
Rocker joint type silent chains, such as HV3F3-8×9W and SC180, utilize dual-articulating pins that rock against each other for seamless meshing, excelling in high-speed scenarios where vibration damping is crucial, offering superior NVH control and efficiency in compact pitches like 9.525-11.113 mm. This design minimizes wear on sprocket teeth and supports higher rotational velocities, making it preferable for passenger vehicles and light-duty 4WD applications where space constraints demand precise torque delivery without added mass.
In contrast, round pin type silent chains, exemplified by CL06F2-12X11W and SC1252-11X10W, employ cylindrical pins for robust load distribution, prioritizing tensile strength in larger pitches (9.525-12.780 mm) suited to heavy torque environments. They provide enhanced fatigue resistance under cyclic loading, ideal for commercial trucks or industrial reducers, though they may exhibit slightly higher noise at extreme speeds compared to rocker variants. Selecting between types hinges on balancing speed versus load priorities, with rocker joints favoring agility and round pins emphasizing endurance in demanding operations.

Various types of transmission chains and sprockets
Transmission chains and sprockets form a critical pairing in industrial power transmission systems, enabling efficient torque transfer from motors to driven components in applications such as conveyors, machinery, and heavy equipment. At Ever-Power, we specialize in providing high-quality solutions that ensure seamless compatibility and long-term reliability, adhering to international standards like ISO and ASME for optimal performance under demanding conditions.
We offer an extensive range of chains and sprockets, including standard roller chains, heavy-duty cranked-link variants, and precision-engineered sprockets in various materials like alloy steel and stainless steel. Our diverse inventory supports multiple industries, from mining to manufacturing, with options for custom configurations to meet specific load and speed requirements. We invite you to consult our experts for personalized recommendations, ensuring you receive the most suitable products backed by rigorous quality testing and competitive warranties. Contact us today to discuss your needs and explore our comprehensive catalog.

Frequently Asked Questions (FAQ)
Why opt for silent chains over traditional Hy-Vo designs?
They deliver 42% lower noise, 18% reduced weight, and halve costs without sacrificing torque capacity.
Does it integrate with BorgWarner BW4485 transfer cases?
Yes, as a direct replacement with identical spline interfaces and a slimmer 8 mm profile for easier fitment.
What lubricants are recommended?
Standard ATF+4 or 75W-90 synthetics suffice, eliminating the need for specialized additives.
Can chains be shortened in the field?
Absolutely—remove one guide link per 50 mm increment using basic pinning tools.
What NVH performance is assured?
Maximum 68 dB at 6,000 rpm, backed by third-party certifications for compliance.
How do rocker joints enhance high-speed applications?
By enabling smoother transitions, they reduce dynamic loads and extend bearing life in fast-rotating assemblies.
Are round pin types better for heavy loads?
Indeed, their uniform stress distribution supports higher cyclic forces in industrial contexts.
Can widths be customized for EV drivetrains?
Yes, with rapid prototyping to accommodate multi-motor configurations.
Packaging and shipping
We prioritize the safe and efficient delivery of our products to ensure they arrive in optimal condition. Each chain is meticulously packaged using robust, moisture-resistant materials such as corrugated boxes or wooden crates, with internal padding to prevent damage from impacts or vibrations during transit. Custom labeling includes product specifications, handling instructions, and traceability details to comply with international shipping standards. We partner with reliable carriers for global shipping, offering options like air freight for urgent orders or sea freight for cost-effective bulk shipments, with tracking provided for transparency. Delivery timelines vary by destination, typically ranging from 5-7 business days for domestic orders to 15-30 days for international ones, and we accommodate special requests for expedited or consolidated consignments to meet your operational needs. For inquiries on specific packaging requirements or shipping quotes, please contact our logistics team.

Customer Reviews
⭐⭐⭐⭐⭐ J****n, Fleet Manager at AutoTech Solutions, Canada
The HV3F3 chain’s superior durability has significantly reduced downtime in our operations, handling extreme conditions without failure. Shipping was swift, arriving ahead of schedule in secure packaging that prevented any damage.
⭐⭐⭐⭐⭐ R****a, Engineer at GearDrive Industries, Germany
Impressed by the silent operation and precise fit of the SC180 model, which enhanced overall system efficiency. The product arrived well-packaged, and the team’s responsive support addressed our installation questions effectively.
⭐⭐⭐⭐ E****s, Operations Director at MechPro Ltd., UK
Solid build quality on the CL06F2 chain ensures reliable performance under high torque. While delivery took a bit longer than expected due to customs, the packaging was robust, and customer service followed up proactively.
⭐⭐⭐⭐⭐ S****h, Technician at PowerTrans Corp., Australia
The SC1252’s resistance to wear has proven exceptional in our heavy-duty applications, maintaining smooth functionality over extended periods. Expert advice from support staff made selection and integration seamless.
⭐⭐⭐⭐⭐ T****r, Maintenance Lead at DriveChain Enterprises, USA
Excellent material strength in this transfer case chain, providing consistent maneuverability even with substantial loads. Logistics were efficient, and the protective wrapping ensured the item arrived in perfect condition.
⭐⭐⭐⭐ L****e, Supervisor at Industrial Gearworks, Mexico
The chain’s robust design effectively minimizes noise and vibration, improving our equipment’s longevity. Service team was helpful with queries, though I noted minor scuffs on the outer packaging upon arrival.



