English 
R20
Engineered by a premier manufacturer and direct supplier for large-scale architectural and industrial projects.
Patented dual anti-derailment mechanism guarantees uncompromising security in high-traffic environments.
Heavy-duty load capacity supports up to 80kg per set, ideal for solid wood, metal, or glass doors.
Ultra-quiet acoustic profile operates below 18 decibels for noise-sensitive commercial spaces.
Streamlined, tool-free installation features designed specifically to accelerate project timelines and reduce labor costs.
Transform the way heavy architectural doors operate with our meticulously engineered sliding door wheel set. When you run your hands along the reinforced nylon wheels and the cold, solid zinc alloy housing, you immediately feel the industrial-grade craftsmanship designed to withstand decades of high-traffic use. We understand that project managers and facility engineers lose sleep over maintenance costs and safety hazards; that is why this system is built to eradicate those concerns from the ground up. The moment a heavy solid wood or metal-clad door is mounted, the sealed industrial bearings take over, translating massive weight into a weightless, frictionless glide. There is no grinding, no resistance, and no stuttering—just a fluid motion accompanied by a whisper-quiet sound profile that barely registers above 18 decibels. By integrating this hardware into your architectural designs or construction projects, you are not merely installing a roller; you are investing in long-term operational perfection. This system completely eliminates the risk of heavy doors jumping their tracks, ensuring that every user experiences premium tactile feedback and absolute safety with every single open and close.
Parameter | Specification |
Model | R20 |
Load Capacity | 80kg per set |
Wheel Material | Reinforced Nylon + Zinc Alloy |
Bearing Type | Sealed Industrial Bearings |
Track Width | 18mm - 25mm |
Anti-Derailment | Dual-Lock (Vertical + Horizontal) |
Installation | Top/Bottom Mount |
Lifespan | 100,000 cycles |
Operating Temperature | -20°C to 80°C |
Noise Level | <18dB |
Spring Material | 304 Stainless Steel |
Height Adjustment | ±5mm (Tool-free screw) |
Certifications | ISO 9001, ASTM F2097 |
MOQ | 500 sets |
Delivery Time | 15-20 days |
Packaging | 50 sets/box (protective foam inserts) |
Parameter | Value |
Load Capacity | 80kg per set |
Wheel Material | Reinforced Nylon + Zinc Alloy |
Bearing Type | Sealed Industrial Bearings |
Track Width | 18mm-25mm |
Anti-Derailment | Dual-Lock (Vertical + Horizontal) |
Installation | Top/Bottom Mount |
Lifespan | 100,000 cycles |
Operating Temperature | -20°C to 80°C |
Delivering exceptional value to high-volume purchasers and project developers requires more than just basic functionality. Our sliding door wheel set is engineered with precision-focused attributes that directly address the pain points of modern architectural hardware installations. By focusing on longevity and user experience, we have developed a system that minimizes friction and maximizes stability across all applications.
Acoustic Excellence: The specialized nylon composition dampens vibrations, ensuring that even the heaviest doors move with a satisfying, silent smoothness.
Structural Integrity: The combination of a robust zinc alloy body and 304 stainless steel springs provides a tactile sense of indestructible quality.
Maintenance Eradication: Self-lubricating sealed bearings mean your facility management teams will rarely, if ever, need to service the tracks or wheels.
Adaptive Tolerances: Built-in micro-adjustments forgive minor structural imperfections in door frames, ensuring a perfect fit every time.
In high-traffic commercial spaces, safety is not an option; it is the absolute baseline. Facility managers and architectural specifiers constantly seek hardware that mitigates liability and prevents accidents. Our patented dual-lock anti-derailment system is the definitive answer to these safety concerns, acting as an invisible, unbreakable guardian for your heavy door installations.
Vertical Restraint: A precision-engineered lock prevents the wheels from jumping upward during sudden impacts, aggressive handling, or seismic vibrations.
Horizontal Guard: Lateral shifts are strictly blocked, keeping the door perfectly aligned even when subjected to uneven loads or structural settling over time.
Impact Absorption: The system absorbs kinetic energy from forceful closures, preventing the hardware from shattering or dislodging from the track.
Public Space Assurance: The ultimate hardware choice for schools, hospitals, and transit hubs where the safety of high-frequency users is paramount.
Sourcing hardware for massive solid wood, thick glass, or metal-clad doors often leads to compromises between weight capacity and smooth operation. We have eliminated that compromise entirely. Built to shoulder immense burdens without breaking a sweat, this wheel set redefines heavy-duty performance for large-scale construction and renovation projects.
80kg Weight Mastery: Each set effortlessly supports up to 80 kilograms, maintaining its fluid glide without sagging, dragging, or grinding.
100,000 Cycle Endurance: Rigorously tested in our manufacturing facilities to endure over a hundred thousand open-and-close cycles, guaranteeing decades of reliable use.
Fatigue-Resistant Springs: The premium 304 stainless steel springs retain their tension and elasticity, preventing the door from dropping or misaligning over time.
Cost-Efficiency: By drastically extending the replacement cycle, procurement teams can significantly lower the total cost of ownership for their building projects.
The acoustic footprint of architectural hardware is a critical metric for premium developments. Grinding, squeaking, or rattling doors can instantly degrade the perceived quality of a luxury hotel, a modern hospital, or a quiet library. We have engineered a sound-dampening profile that transforms mechanical movement into a silent, luxurious experience.
Sub-18dB Operation: The acoustic output is strictly controlled to remain under 18 decibels, which is quieter than a human whisper or a rustling leaf.
Sealed Bearing Technology: Industrial-grade bearings are hermetically sealed against dust and debris, ensuring the glide remains frictionless and silent for the product's entire lifespan.
Vibration Isolation: The reinforced nylon wheels act as shock absorbers, eating up micro-vibrations from the track before they can resonate as noise in the room.
Premium Tactile Feel: Users experience a satisfying, consistent resistance that conveys high-end craftsmanship and solid engineering with every touch.
Labor costs and installation time are major factors in any large-scale development. Hardware that is difficult to align or requires specialized tools can derail project timelines and inflate construction budgets. Our design philosophy prioritizes the efficiency of the installation team, offering intuitive features that speed up the deployment process dramatically.
Broad Track Adaptability: Seamlessly fits standard track widths ranging from 18mm to 25mm, reducing the need to source highly specific or proprietary extrusions.
Tool-Free Micro-Adjustments: A built-in ±5mm height adjustment screw allows installers to achieve perfect leveling by hand, instantly compensating for uneven floors or frames.
Versatile Mounting: Designed to accommodate both top-hung and bottom-rolling configurations, giving architects and builders ultimate design flexibility.
Pre-Assembled Delivery: Arrives ready to install straight from the protective packaging, cutting down on on-site assembly time and minimizing the risk of lost components.
Environmental degradation is the enemy of mechanical hardware. Whether installed in highly humid coastal resorts or industrial facilities with extreme temperature fluctuations, inferior metals will rust, swell, and ultimately fail. We apply rigorous metallurgical standards and advanced surface treatments to ensure our products survive and thrive in the harshest conditions.
Advanced Surface Coating: The zinc alloy housing is treated with an industrial-grade anti-corrosion finish, actively repelling moisture and preventing oxidation.
Extreme Temperature Resilience: Engineered to function flawlessly in freezing environments as low as -20°C and sweltering conditions up to 80°C.
Uncompromising Quality Control: Every batch is subjected to severe environmental chamber testing before leaving our manufacturing floor to ensure absolute reliability.
Global Certification Backing: Proudly bearing ISO 9001 and ASTM F2097 certifications, providing procurement officers with the documented assurance needed for international compliance.
Navigating global procurement requires a partner who understands the critical nature of lead times, packaging integrity, and scalable production. As a direct source manufacturer, we remove the friction from international sourcing. Our infrastructure is built to support massive volume requirements while maintaining the agility to offer deep customization for specific project needs.
Rapid Order Fulfillment: A highly streamlined production cycle guarantees manufacturing and delivery within a highly competitive 15 to 20-day window.
Accessible Minimums: With a Minimum Order Quantity of just 500 sets, we cater to both focused boutique developments and sprawling commercial complexes.
Secure Transit Packaging: Each box of 50 sets is engineered with custom shock-absorbing foam inserts, ensuring zero transit damage across global shipping routes.
OEM/ODM Capabilities: Our dedicated in-house research and development team collaborates directly with clients to modify dimensions, materials, or finishes, delivering a truly bespoke hardware solution.
Selecting the right manufacturing partner is just as critical as selecting the right hardware. You need a source that guarantees consistency, scale, and uncompromising quality across thousands of units. We have built our reputation on being the invisible backbone of successful architectural projects worldwide, delivering the reliability that procurement professionals trust.
Direct Source Advantage: By eliminating intermediaries, we provide transparent communication, faster iteration, and highly competitive cost structures for large orders.
Rigorous Testing Protocols: Our in-house laboratories simulate decades of abuse, ensuring that what you install today will perform flawlessly for years to come.
Dedicated Account Management: We provide specialized support teams who deeply understand international logistics, compliance standards, and project-based delivery schedules.
Continuous Innovation: We constantly refine our metallurgical formulas and bearing designs to stay ahead of architectural trends and strict global safety regulations.
Navigating the technical specifications of heavy-duty sliding systems can be complex. Below, we address the most critical inquiries from facility engineers, architects, and procurement specialists to help you make an informed decision.
How does the dual anti-derailment system function under physical stress?
The system utilizes a patented vertical lock that physically prevents the wheel from lifting out of the track during an impact or upward force. Simultaneously, the horizontal guard restricts lateral movement. This means even if a heavy door is slammed, pushed off-center, or subjected to vibrations, the wheels remain securely locked within the 18mm-25mm track.
Can this wheel set withstand highly corrosive environments like coastal properties?
Absolutely. The core housing is crafted from premium zinc alloy and coated with an industrial-grade anti-corrosion finish. Coupled with 304 stainless steel springs and fully sealed bearings, the unit is highly resistant to salt, moisture, and extreme temperatures ranging from -20°C to 80°C.
What is the process for adjusting the door height post-installation?
We have integrated a tool-free adjustment mechanism to save valuable labor time on site. Installers can simply turn the built-in micro-adjustment screw by hand to raise or lower the door by ±5mm. This allows for instant leveling and alignment without needing to unmount the heavy door panel.
Are the acoustic claims of <18dB consistent across maximum load capacities?
Yes. The <18dB noise level is achieved through the synergy of hermetically sealed industrial bearings and vibration-absorbing reinforced nylon wheels. Even when loaded to the absolute maximum 80kg capacity, the friction remains incredibly low, ensuring the acoustic profile stays whisper-quiet.
How are bulk orders packaged to prevent damage during international transit?
We understand that transit damage can derail project timelines. Every bulk order is meticulously packed with 50 sets per box. Inside, we utilize precision-cut, high-density shock-absorbing foam inserts that individually cradle each component, guaranteeing they arrive at your construction site in pristine, ready-to-install condition.
