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7108
RONWIN
HS Code: 8431390000
Mode No.: 7108
Features: Base flange mount plastic ball transfer unit, the body, loading ball and supporting balls are made of plastic materials (nylon, ABS, POM) which ensure the ball unit can be applied in the working conditions of moist, acid and alkaline without lubricating oil.
We provide service of OEM, ODM. Other dimensions please feel free to contact us.
| Model No. | Material | Loading Capacity (kg) | Weight(g） | |
| Suggest | Max. | |||
| 7108 | PL/PL | 2 | 3 | 13 |
| SS/PL | 3 | 5 | 15 | |
The Waterproof Light-Duty European-Style Plastic Ball Transfer Unit is a standardized accessory used for furniture, equipment casters, or moving parts. Its core positioning is to meet the demand for flexible movement and aesthetic decoration in everyday environments by offering extremely light weight, low cost, diverse appearance, and excellent corrosion resistance/waterproof performance.
It abandons the heavy-load and high-precision characteristics of industrial ball transfer units, instead prioritizing cost-effectiveness, environmental adaptability, and exterior design.
Material Implementation: The entire housing (ball socket and flange) is typically made from engineering plastics (e.g., PP, ABS, Nylon) formed by single-shot injection molding, making it inherently rust-proof and corrosion-proof.
Structural Design: The clearance between the ball and socket is optimized to ensure smooth rolling while effectively preventing most dust and liquids from directly entering the core rolling surface. It is not a fully sealed "submersible-grade" waterproof product but possesses excellent resistance to moisture, splashes, and everyday liquid spills.
Refers to both its light self-weight and its light-load capacity (typically bearing from a few kilograms to several tens of kilograms per unit, far below the "ton" level of industrial products).
Plastic material is key to achieving "light-duty."
Primarily refers to its design style and common standards. The appearance is usually clean, rounded, and available in various colors (common colors include white, black, gray; other colors can be customized), aligning with modern minimalist aesthetics.
The dimensions and hole patterns of its mounting flange may follow some common European standards for furniture accessories or DIY components.
This is the core material of the product, clearly distinguishing it from metal ball transfer units.
Housing/Socket: Engineering plastic, offering insulation, vibration damping, low noise, and no rust.
Ball: Usually made of precision stainless steel or ceramic balls to ensure smooth rolling and durability within the plastic socket. All-plastic ball versions are cheaper but offer slightly inferior smoothness and lifespan.
The basic function is consistent with industrial models: a ball that can roll freely in multiple directions, converting sliding friction into rolling friction.
Working Principle: Same as all ball transfer units: the load presses on the ball, and during horizontal movement, the ball rotates within its socket and rolls against the contact surface.
Core Features:
Excellent Corrosion Resistance: Resistant to water, cleaning agents, weak acids, and alkalis, making it highly suitable for kitchens, bathrooms, outdoor furniture, or damp indoor environments.
Quiet Operation and Floor Protection: The plastic housing and rolling elements pose no risk of scratching delicate floors like wood or tile, and produce minimal movement noise.
Insulation and Safety: Can be used in situations requiring electrical insulation.
Cost-Effective: Mass-produced via injection molding, making it significantly cheaper than metal machined products.
Aesthetic Versatility: Color can be customized to better integrate with the overall design of furniture and products.
This is a product that "integrates into daily life," with ubiquitous applications.
Movable casters for sofas, beds, cabinets: Enables easy repositioning of heavy furniture.
Auxiliary ball transfers for drawer slides: Makes drawer opening/closing smoother.
Bases for movable coffee tables, chairs, and desks.
Movable bases for display racks, signage, foam boards.
Sliding pads for small appliances, speakers, plant pots.
Material transfer plates in DIY workshops.
Light-duty tooling plates in electronics assembly lines.
Guidance and direction-changing devices on packaging or sorting lines (non-heavy-load areas).
Light-duty carts in food or pharmaceutical industries requiring frequent cleaning (benefiting from their waterproof and easy-to-clean properties).
| Feature Dimension | Waterproof Light-Duty European-Style Plastic Ball Transfer Unit | Flange-Mounted Heavy-Duty Downward-Pointing Ball Transfer Unit |
|---|---|---|
| Core Positioning | Economical, aesthetic, corrosion-resistant general-purpose accessory | High-reliability, high-load industrial core component |
| Load Capacity | Light-Duty (Kilogram range ~ Hundred-kilogram range) | Heavy-Duty / Extra Heavy-Duty (Tonnage range ~ Tens of tons range) |
| Core Material | Engineering plastic housing + Stainless steel/ceramic/plastic balls | Hardened alloy steel / Stainless steel, balls may be chrome-plated |
| Key Performance | Waterproof, rust-proof, quiet, insulated, low cost | Ultra-high load capacity, high precision, high wear resistance, long lifespan |
| Installation Method | Plastic flange fixed with screws, or direct snap-in/card insertion | Heavy-duty steel flange secured with high-strength bolts |
| Application Environment | Civilian, commercial, light-duty industrial, damp environments | Heavy machinery, factories, ports, extreme operating conditions |
| Price Range | Low | High |
The Waterproof Light-Duty European-Style Plastic Ball Transfer Unit is a perfect example of industrial design extending into the consumer domain. It transforms the basic principle of the ball transfer unit, through materials science and industrial design, into a "versatile small component" that is affordable, practical, and aesthetically pleasing. Its value lies in solving the movement challenges of countless lightweight objects while avoiding the weaknesses of metal components in specific environments. It embodies the "just right" design philosophy in modern manufacturing.
Mode No.: 7108
Features: Base flange mount plastic ball transfer unit, the body, loading ball and supporting balls are made of plastic materials (nylon, ABS, POM) which ensure the ball unit can be applied in the working conditions of moist, acid and alkaline without lubricating oil.
We provide service of OEM, ODM. Other dimensions please feel free to contact us.
| Model No. | Material | Loading Capacity (kg) | Weight(g） | |
| Suggest | Max. | |||
| 7108 | PL/PL | 2 | 3 | 13 |
| SS/PL | 3 | 5 | 15 | |
The Waterproof Light-Duty European-Style Plastic Ball Transfer Unit is a standardized accessory used for furniture, equipment casters, or moving parts. Its core positioning is to meet the demand for flexible movement and aesthetic decoration in everyday environments by offering extremely light weight, low cost, diverse appearance, and excellent corrosion resistance/waterproof performance.
It abandons the heavy-load and high-precision characteristics of industrial ball transfer units, instead prioritizing cost-effectiveness, environmental adaptability, and exterior design.
Material Implementation: The entire housing (ball socket and flange) is typically made from engineering plastics (e.g., PP, ABS, Nylon) formed by single-shot injection molding, making it inherently rust-proof and corrosion-proof.
Structural Design: The clearance between the ball and socket is optimized to ensure smooth rolling while effectively preventing most dust and liquids from directly entering the core rolling surface. It is not a fully sealed "submersible-grade" waterproof product but possesses excellent resistance to moisture, splashes, and everyday liquid spills.
Refers to both its light self-weight and its light-load capacity (typically bearing from a few kilograms to several tens of kilograms per unit, far below the "ton" level of industrial products).
Plastic material is key to achieving "light-duty."
Primarily refers to its design style and common standards. The appearance is usually clean, rounded, and available in various colors (common colors include white, black, gray; other colors can be customized), aligning with modern minimalist aesthetics.
The dimensions and hole patterns of its mounting flange may follow some common European standards for furniture accessories or DIY components.
This is the core material of the product, clearly distinguishing it from metal ball transfer units.
Housing/Socket: Engineering plastic, offering insulation, vibration damping, low noise, and no rust.
Ball: Usually made of precision stainless steel or ceramic balls to ensure smooth rolling and durability within the plastic socket. All-plastic ball versions are cheaper but offer slightly inferior smoothness and lifespan.
The basic function is consistent with industrial models: a ball that can roll freely in multiple directions, converting sliding friction into rolling friction.
Working Principle: Same as all ball transfer units: the load presses on the ball, and during horizontal movement, the ball rotates within its socket and rolls against the contact surface.
Core Features:
Excellent Corrosion Resistance: Resistant to water, cleaning agents, weak acids, and alkalis, making it highly suitable for kitchens, bathrooms, outdoor furniture, or damp indoor environments.
Quiet Operation and Floor Protection: The plastic housing and rolling elements pose no risk of scratching delicate floors like wood or tile, and produce minimal movement noise.
Insulation and Safety: Can be used in situations requiring electrical insulation.
Cost-Effective: Mass-produced via injection molding, making it significantly cheaper than metal machined products.
Aesthetic Versatility: Color can be customized to better integrate with the overall design of furniture and products.
This is a product that "integrates into daily life," with ubiquitous applications.
Movable casters for sofas, beds, cabinets: Enables easy repositioning of heavy furniture.
Auxiliary ball transfers for drawer slides: Makes drawer opening/closing smoother.
Bases for movable coffee tables, chairs, and desks.
Movable bases for display racks, signage, foam boards.
Sliding pads for small appliances, speakers, plant pots.
Material transfer plates in DIY workshops.
Light-duty tooling plates in electronics assembly lines.
Guidance and direction-changing devices on packaging or sorting lines (non-heavy-load areas).
Light-duty carts in food or pharmaceutical industries requiring frequent cleaning (benefiting from their waterproof and easy-to-clean properties).
| Feature Dimension | Waterproof Light-Duty European-Style Plastic Ball Transfer Unit | Flange-Mounted Heavy-Duty Downward-Pointing Ball Transfer Unit |
|---|---|---|
| Core Positioning | Economical, aesthetic, corrosion-resistant general-purpose accessory | High-reliability, high-load industrial core component |
| Load Capacity | Light-Duty (Kilogram range ~ Hundred-kilogram range) | Heavy-Duty / Extra Heavy-Duty (Tonnage range ~ Tens of tons range) |
| Core Material | Engineering plastic housing + Stainless steel/ceramic/plastic balls | Hardened alloy steel / Stainless steel, balls may be chrome-plated |
| Key Performance | Waterproof, rust-proof, quiet, insulated, low cost | Ultra-high load capacity, high precision, high wear resistance, long lifespan |
| Installation Method | Plastic flange fixed with screws, or direct snap-in/card insertion | Heavy-duty steel flange secured with high-strength bolts |
| Application Environment | Civilian, commercial, light-duty industrial, damp environments | Heavy machinery, factories, ports, extreme operating conditions |
| Price Range | Low | High |
The Waterproof Light-Duty European-Style Plastic Ball Transfer Unit is a perfect example of industrial design extending into the consumer domain. It transforms the basic principle of the ball transfer unit, through materials science and industrial design, into a "versatile small component" that is affordable, practical, and aesthetically pleasing. Its value lies in solving the movement challenges of countless lightweight objects while avoiding the weaknesses of metal components in specific environments. It embodies the "just right" design philosophy in modern manufacturing.
