China factory 694 Super Quiet Smooth V Shape Sliding Nylon Heavy Duty Door Bearing Accessories Pulley with High Carbon Steel Bearing for 4*25*10mm manufacturer

Product Description

 

Detailed Photos

 

 

Product Description

 

Item No. Door and Window Pulley Roller
Dimensions OEM ODM
Material Bearing -Chrome steel, carbon steel, stainless steel
Plastic part- POM/ Nylon6 /Nylon66 +GF/PU/Rubber
Housing part – Plastic(Nylon)/ Steel/ Zinc alloy die casting / Aluminium profile/ alu. Alloy die casting
Color Original/black/white/Red/ Green/ Orange, or per customers’ requirement
Surface Treatment Zinc plated/Nickle Plated/Black treatment/ Painting/Electrophoretic treatment
Features heavy-duty,adjustable,low noise,easy installation,sliding smoothly,long life,standard,customized,etc.
Application Sliding window and door, Sliding accessories, furniture accessories etc.
Packaing Foil bag+Neutral Carton+Pallet, or per customers’ requirement
MOQ 1000 pcs
Lead Time According to the order q’ty
OEM& ODM Technical drawing or sample is needed

Company Profile

 

ABOUT US
CHINAMFG was set up in 1996 and located at HangZhou, a beautiful city in China. Our company is bearing manufacturer&bearing distributor. Since it was first established, CHINAMFG was dedicated in research, development and manufacture of bearings. Now, CHINAMFG has become main and 1 of the first grade suppliers of all kinds of bearings. We could develop the products constructed from different materials, structures, shapes, colors etc.
WELCOME TO THE CLUB!

1. Our rollers are in stable quality with smooth rotation, long life operation, small movement, advanced injection technology engineering etc.

2. The Adjustable Rollers with smooth and long lasting operation, higher performing features like wider adjustment ranges, long rolling life performance, easy installment. It’s available in multiple housing choices with any wheels to fit different aluminnum. Our roller ensure alignment across the full adjustment ranges within built-in retention system.

3. The customized hardware, like plastic parts, stamping patrs, cold forging steel patrs are widely applied in the window and doors, furniture, householders, transmission system, industrial drive system etc.

We are constantly improving and striving for excellent service. We hold a very high regard for our customers, the quality of our products, and our level of customer service.

FAQ

1. who are we?
We are based in ZheJiang , China, start from 2017,sell to North America(1.00%),Africa(1.00%),Western Europe(1.00%),Southern Europe(1.00%). There are total about 51-100 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
Bearing cage,Bearing pulley,Plastic products,Miniature bearing,Needle roller bearing

4. why should you buy from us not from other suppliers?
Hardware pulley source factory,20 years professional bearing pulley experience

5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW;
Accepted Payment Currency:USD,EUR,JPY,CNY;
Accepted Payment Type: T/T,L/C,D/P D/A;
Language Spoken:English,Chinese,Spanish,Japanese,F

 

Our Advantages

Sliding glass doors are becoming more and more popular, because of the view and natural lighting that they provide. But there can be some difficulty when it comes to maintaine them, such as the rollers have worn out. The key part is knowing which roller matches the original. Many people believe that alternatives can be found by identifying the door manufacturer individually. Actually, Most rollers are generic and used by various door manufacturers.

As the professional manufacturer of sliding rollers, we use various identifying characteristics to determine the best replacement option for your door. In addition to the number of wheels your roller uses to support the door, the presence of dimples, bumps, cut-outs and flared edges on the rollers housing will narrow down replacement options substantially. The way that the assembly installs in the door frame is also vital. The key dimensions to confirm a replacement include the width and height of the roller’s outer housing, as well as the diameter of the wheel. In addition to the diameter of the wheels, the material that they’re made of, steel or nylon, is also a factor. Long-term, metal wheels are known to hold up better but they can also cause the track to wear out faster, especially on heavy doors. Nylon wheels tend to be kinder to the track but may not last as long as their steel counterparts.

 

Purchase Notice

1.Pls send us an inquiry or leave us a message, there will be a dedicated staff to serve you within 1 hours.
2.You can ask us to take actual photos of the products for you, and free samples would be provided.
3. Welcome to visit our factory to negotiate orders, we will do our best to protect the safety of your business journey.
4. Packaging can be customized according to customer requirements
Finally, Please be sure to click “Contact supplier” to contact us, or “Call us” with any questions that you may have.

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Aligning: Aligning Bearing
Separated: Unseparated
Rows Number: Single
Samples:
US$ 0.5/Piece
1 Piece(Min.Order)

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Order Sample

Customization:
Available

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Customized Request

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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

heavy duty pulley

What role do heavy-duty pulleys play in construction and heavy equipment operations?

Heavy-duty pulleys play a crucial role in construction and heavy equipment operations, contributing to the safe and efficient handling of materials, equipment, and components. These specialized pulleys are designed to withstand the demanding conditions encountered in construction sites and heavy equipment applications. Here’s a detailed explanation of the role heavy-duty pulleys play in construction and heavy equipment operations:

Lifting and Hoisting:

Heavy-duty pulleys are commonly used in lifting and hoisting applications in construction and heavy equipment operations. They form an integral part of lifting systems such as cranes, winches, and hoists. By providing mechanical advantage and load distribution, pulleys enable the lifting of heavy loads with reduced effort and increased safety. Heavy-duty pulleys with their larger sheave diameters and reinforced construction can handle the substantial weights involved in lifting and hoisting operations.

Load Transportation:

Transporting heavy loads within construction sites or on heavy equipment often requires the use of heavy-duty pulleys. These pulleys are utilized in systems such as conveyors, bucket elevators, and material handling equipment. Heavy-duty pulleys allow for the smooth and controlled movement of materials, whether it’s transferring bulk materials, loading/unloading equipment, or transporting components. Their increased load-bearing capacity and durability ensure reliable and efficient load transportation, minimizing downtime and increasing productivity.

Equipment Control and Functionality:

Heavy-duty pulleys play a role in controlling and enabling the functionality of various equipment and machinery in construction and heavy equipment operations. They are employed in systems such as belt drives and power transmissions. By transferring power and torque, pulleys enable the rotation and movement of equipment components, such as wheels, tracks, and blades. Heavy-duty pulleys ensure reliable power transmission, allowing equipment to perform its intended functions effectively and efficiently.

Wire and Cable Handling:

Construction and heavy equipment operations often involve the use of wire ropes, cables, and winches for tasks like lifting, pulling, or securing loads. Heavy-duty pulleys are integral components of these wire and cable handling systems. They provide a smooth and controlled path for the wire or cable, reducing friction and wear. Additionally, heavy-duty pulleys with their larger sheave diameters help minimize stress concentration on the wire or cable, ensuring safe and reliable operation even under high loads.

Load Stabilization and Balance:

When dealing with heavy loads in construction and heavy equipment operations, load stabilization and balance are crucial for safety and operational efficiency. Heavy-duty pulleys contribute to load stabilization by distributing the weight evenly and minimizing load shifting during lifting, transportation, or equipment operation. This helps prevent accidents, equipment damage, and instability during critical tasks.

Safety and Risk Mitigation:

Heavy-duty pulleys play a significant role in enhancing safety and mitigating risks in construction and heavy equipment operations. Their robust construction, reinforced design, and load-bearing capacity ensure the reliable handling of heavy loads, reducing the risk of accidents or equipment failure. Additionally, heavy-duty pulleys can incorporate safety features such as guards, emergency stop mechanisms, or overload protection systems to further enhance operational safety.

Overall, heavy-duty pulleys are essential components in construction and heavy equipment operations. They enable lifting and hoisting, facilitate load transportation, contribute to equipment control and functionality, handle wire and cable systems, ensure load stabilization and balance, and enhance safety. The specialized design and durability of heavy-duty pulleys make them indispensable in handling the demanding tasks and heavy loads encountered in construction and heavy equipment operations, ultimately contributing to the successful completion of projects and the efficiency of operations.

heavy duty pulley

How are heavy-duty pulleys adapted for specialized applications in the oil and gas industry?

Heavy-duty pulleys are specifically adapted and customized to meet the unique requirements and challenges of specialized applications in the oil and gas industry. These applications often involve harsh operating conditions, such as extreme temperatures, high pressures, corrosive environments, and heavy loads. Here’s a detailed explanation of how heavy-duty pulleys are adapted for specialized applications in the oil and gas industry:

  • Corrosion Resistance: Heavy-duty pulleys used in the oil and gas industry are typically constructed from corrosion-resistant materials, such as stainless steel or specialized alloys. This ensures their durability and longevity in aggressive environments where exposure to corrosive substances, including saltwater, chemicals, and hydrocarbons, is common. The corrosion resistance of these pulleys helps to prevent degradation and maintain their performance over extended periods of operation.
  • High Load Capacity: Heavy-duty pulleys for the oil and gas industry are designed to handle the substantial loads encountered in various applications. They are engineered with robust construction and high load-bearing capacities to withstand the weight and forces associated with lifting, pulling, and moving heavy equipment, machinery, or materials. The high load capacity of these pulleys ensures safe and reliable operation in demanding oil and gas operations.
  • Extreme Temperature Resistance: In certain oil and gas applications, heavy-duty pulleys must operate in extreme temperature conditions, including both high and low temperatures. Pulleys designed for these specialized applications are manufactured using materials that can withstand and perform reliably in such temperature extremes. This adaptability allows the pulleys to maintain their structural integrity and functionality, ensuring continuous operation in challenging thermal environments.
  • Explosion-Proof Design: The oil and gas industry often involves hazardous or potentially explosive atmospheres. Heavy-duty pulleys for specialized applications in this industry are designed with explosion-proof features to mitigate the risk of ignition and ensure compliance with safety regulations. These pulleys may incorporate flame-resistant materials and anti-static properties to prevent sparks or electrical discharge that could ignite flammable substances.
  • Sealing and Contamination Protection: Heavy-duty pulleys used in the oil and gas industry are equipped with sealing mechanisms to protect internal components from contamination by dust, dirt, moisture, and other harmful substances. Seals, shields, or specialized enclosures prevent the ingress of contaminants, helping to maintain the smooth operation and longevity of the pulleys in challenging environments. Additionally, pulleys may incorporate lubrication systems or self-cleaning features to further enhance their performance and reliability.
  • Subsea Adaptation: The oil and gas industry frequently requires heavy-duty pulleys to operate in subsea or offshore environments, where they may be exposed to high pressures and submersion in water. Pulleys intended for subsea applications are designed with features to withstand these conditions. They may include enhanced sealing mechanisms, corrosion-resistant coatings, and specialized materials to ensure reliable performance and prevent damage caused by the subsea environment.
  • Customization and Integration: Heavy-duty pulleys for specialized oil and gas applications can be customized and integrated into specific equipment or systems. They are tailored to meet the dimensional, functional, and operational requirements of the application. This customization may involve adapting the pulley’s dimensions, bearing types, mounting configurations, and connection mechanisms to integrate seamlessly with the equipment or system in which they are utilized.

In summary, heavy-duty pulleys for specialized applications in the oil and gas industry are adapted to withstand corrosive environments, accommodate high loads, resist extreme temperatures, feature explosion-proof design, incorporate sealing and contamination protection, adapt to subsea conditions, and offer customization and integration options. These adaptations ensure the reliable and safe performance of heavy-duty pulleys in the unique operating conditions of the oil and gas industry.

heavy duty pulley

How does the size and design of a heavy-duty pulley impact its load-bearing capacity?

The size and design of a heavy-duty pulley play a significant role in determining its load-bearing capacity. These factors directly influence the pulley’s ability to support and distribute the weight of heavy loads effectively. Here’s a detailed explanation of how the size and design of a heavy-duty pulley impact its load-bearing capacity:

Size:

The size of a heavy-duty pulley refers to the diameter of its sheave or wheel. In general, larger pulleys have a higher load-bearing capacity compared to smaller pulleys. This is because larger pulleys provide a larger contact area for the cable or rope, distributing the load over a greater surface area. The larger contact area reduces stress concentration on the cable or rope, minimizing the risk of premature wear or failure. Additionally, larger pulleys allow for a more gradual bend radius, which helps prevent excessive bending and fatigue of the cable or rope. Thus, a larger-sized pulley can handle heavier loads more effectively and safely.

Design:

The design of a heavy-duty pulley encompasses various aspects that impact its load-bearing capacity:

  • Sheave Diameter: The diameter of the sheave directly affects the mechanical advantage of the pulley system. A larger sheave diameter increases the mechanical advantage, allowing for easier lifting of heavy loads. This means that a heavy-duty pulley with a larger sheave diameter can handle heavier loads more efficiently.
  • Hub Construction: The hub of the pulley, which connects the sheave to the axle or shaft, should be designed to withstand the stresses induced by heavy loads. Heavy-duty pulleys often have reinforced hubs that can handle higher loads without deformation or failure. The hub design should provide sufficient strength and rigidity to ensure the stability and integrity of the pulley under load.
  • Bearing System: The bearing system of a heavy-duty pulley is crucial for smooth rotation and load distribution. High-quality bearings, such as sealed or shielded ball bearings, are commonly used in heavy-duty pulleys to minimize friction and ensure reliable operation under heavy loads. The bearing system should be designed to handle the anticipated loads and provide long-term durability and performance.
  • Material Strength: Heavy-duty pulleys are typically made from strong and durable materials such as steel or cast iron. The material strength is a critical factor in determining the load-bearing capacity of the pulley. A robust material construction ensures that the pulley can withstand the high loads without deformation or failure. Additionally, the material should have good resistance to wear, corrosion, and other environmental factors that may affect the pulley’s performance and longevity.
  • Structural Reinforcement: Heavy-duty pulleys often incorporate structural reinforcements to enhance their load-bearing capacity. This may include features such as thicker rims, additional ribs, or gussets that provide increased strength and rigidity. The structural reinforcement helps to distribute the load more evenly throughout the pulley, reducing stress concentration and improving overall load-bearing capacity.

In summary, the size and design of a heavy-duty pulley have a direct impact on its load-bearing capacity. Larger pulleys with larger sheave diameters provide a larger contact area and more gradual bend radius, allowing them to handle heavier loads more effectively. The design elements, such as hub construction, bearing system, material strength, and structural reinforcement, further contribute to the pulley’s load-bearing capacity by ensuring stability, durability, and even load distribution. When selecting a heavy-duty pulley, it is crucial to consider its size and design features to ensure it can handle the intended high-load tasks safely and efficiently.

China factory 694 Super Quiet Smooth V Shape Sliding Nylon Heavy Duty Door Bearing Accessories Pulley with High Carbon Steel Bearing for 4*25*10mm   manufacturer China factory 694 Super Quiet Smooth V Shape Sliding Nylon Heavy Duty Door Bearing Accessories Pulley with High Carbon Steel Bearing for 4*25*10mm   manufacturer
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