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{"title":"Silent Nylon Sliding Door Roller Four Roller Stainless Steel Heavy Duty Doors","imgUrl":"https:\/\/img.chinax.com\/nimg\/cd\/42\/0eaeb9a19953c277e74ae85ada8e-200x200-1\/silent_nylon_sliding_door_roller_four_roller_stainless_steel_heavy_duty_doors.jpg","attrs":{"Packaging Details":"Standard Packaging","Minimum Order Quantity":"1000","Certification":"CE,ISO","Brand Name":"ZHENJIAN"}}
{"title":"Load Bearing Sliding Door Roller Dual Wheel Stainless Steel with Height Screw","imgUrl":"https:\/\/img.chinax.com\/nimg\/d4\/f1\/7ea10d9b00c7cf2d6ad7519a16bf-200x200-1\/load_bearing_sliding_door_roller_dual_wheel_stainless_steel_with_height_screw.jpg","attrs":{"Place of Origin":"CHINA","Delivery Time":"7\u201325 days","Supply Ability":"10 million","Certification":"CE,ISO"}}
These long, four-wheel load-bearing casters feature a one-piece, thickened engineering plastic housing paired with four sets of silent nylon rollers. Designed specifically for large, heavy-duty sliding doors and balcony partition sliding doors, the four wheels distribute the load across multiple points for enhanced load-bearing capacity. They ensure smooth, quiet operation and are specialized sliding hardware components for heavy door panels.
Material & Construction Features
High-strength engineering plastic housing with wear-resistant nylon wheels
Durable, weather-resistant construction for quiet and smooth operation
Thickened, impact-resistant engineering plastic through single-piece injection-molding
Exceptional toughness that resists crushing, cracking, and deformation
Rust-proof and corrosion-resistant, even in humid balcony environments
Low friction coefficient nylon wheels for minimal wear and long service life
Rust-proof metal axle structure with independent wheel rotation
Moisture-resistant and acid/alkali-resistant for all-weather home use
Load-Bearing & Structural Advantages
The integrated, elongated four-wheel arrangement provides stable load-bearing capacity suitable for heavy-duty door panels. With four wheels arranged side-by-side in an even pattern, load-bearing capacity is significantly enhanced compared to single- or double-wheel configurations.
This design securely supports thick, heavy aluminum alloy sliding doors, effectively preventing common issues such as door sagging, tilting, and sticking during operation. The one-piece, elongated structure is perfectly integrated into the profile groove, ensuring a tight fit with minimal wobble.
Installation & Compatibility
Standardized, universal profile groove dimensions eliminate the need for additional grooving or cutting of profiles, enabling convenient and efficient bulk assembly at door and window factories and effectively reducing labor costs.
Applications
Heavy-duty aluminum alloy and PVC-U profile balcony sliding doors
Living room partition sliding doors
Large-span commercial sliding doors
Courtyard sliding doors
DIY home renovation projects
Real estate project installations
Bulk procurement for international door and window trade
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2000
Total Annual:
800 million-100 million
Employee Number:
150~200
Ecer Certification：
Verified Supplier
Jiangmen Zhenjian Hardware Technology Co., Ltd. was established in 2000 and is located in the Cui Shanhu New District of Kai Ping, Jiangmen City. The company has a standard factory covering an area of over 10,000 square meters, with a total of 170 employees, including 20 R&D techni... Jiangmen Zhenjian Hardware Technology Co., Ltd. was established in 2000 and is located in the Cui Shanhu New District of Kai Ping, Jiangmen City. The company has a standard factory covering an area of over 10,000 square meters, with a total of 170 employees, including 20 R&D techni...
