China supplier 304 Stainless Steel Pulley Single Swivel Sheave for Wire Rope pulley block

Product Description

Product Description

Name:Stainless 304/316 Rigging Swivel Eye Single Sheave Pulley
Packaging:Reel for wood made or plastic made
Monthly capacity:500 tons per month
Price term:FOB ZheJiang , EXW
Surface treatment:bright and smooth
Material:stainless steel 304,stainless steel 316,stainless steel 316L or other special.
Key words:
Single wheel for lifting, pulley Square type for lifting.
ZheJiang Juke Metal products Co.,LTD are professional in producing stainless steel wire rope accessories(Casting high quality stainless steel hardware for swivel eye pulley single sheave/ Stainless Steel Swivel Eye Double Sheave/ Swivel Pulley Block Double Sheave. etct.)

Details of the figure Detailed sizes 
Size A B C D E
mm mm mm mm mm mm
M75 23 33 155 75 15
M100 25 40 191 100 17

Details of the figure Detailed sizes 
Size A B C D E
mm mm mm mm mm mm
M15 12.5 13 61 15 5.5
M20 14 18 73 20 6.5
M25 16 20 85 25 10
M32 15.5 20 92.5 30 10
M50 19 31 132.5 50 13

Details of the figure Detailed sizes 
Size A B C D E
mm mm mm mm mm mm
M15 12 13 61 15 6
M20 13.5 17.5 72 20 7
M25 15 20 83 25 11
M32 15 19.5 88 30 12
M50 19 23 117.5 48.5 13


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Company Profile


ZheJiang CHINAMFG Metal Products Co., Ltd. offers a variety of products which can meet your multifarious demands.

We adhere to the management principles of “quality first, customer first and credit-based” since the establishment of the company and always do our best to satisfy potential needs of our customers.

Packaging & Shipping




Q1: Can I have a sample of stainless steel rigging accessories?
A1: Yes, we welcome sample orders!

Q2: Does your company has any MOQ for stainless steel rigging accessories?
A2: Low MOQ, 1000 pcs for sample checking is ok.

Q3: How do you ship the goods and what about the delivery time?
A3: We often ship by TNT, DHL, FedEx. It takes 3-5days to reach. For mass quantities, we usually transport by ship.

Q4: How can I ensure the quality?
A4: We have ISO, CE certificates to prove our qualities. A third inspection is acceptable.

Surface: Bright Smooth
Material: Stainless Steel 304
Size: M15-M50
US$ 1/Piece
1 Piece(Min.Order)


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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.

rope pulley

What is the significance of rope diameter in selecting the right rope pulley?

The rope diameter plays a significant role in selecting the right rope pulley. Here’s a detailed explanation:

1. Compatibility: The rope diameter must match the groove size of the pulley. Choosing a pulley with a groove that is too small for the rope diameter can result in excessive friction, wear, and potential damage to the rope. Conversely, selecting a pulley with a groove that is too large may cause the rope to slip or become unstable during operation. Therefore, selecting a rope pulley that is compatible with the specific rope diameter ensures proper engagement and efficient functioning.

2. Load Capacity: The rope diameter directly affects the load capacity of the pulley system. Thicker ropes typically have higher load-bearing capabilities due to their increased strength and durability. When selecting a rope pulley, it is crucial to consider the anticipated load requirements and choose a pulley that can safely support the expected loads for the given rope diameter.

3. Bending Radius: The rope diameter determines the minimum bending radius required for the rope to pass through the pulley. Using a pulley with a smaller bending radius than the rope diameter can cause excessive strain and deformation of the rope, leading to premature failure. It is essential to select a rope pulley that accommodates the bending radius recommended for the specific rope diameter to ensure the longevity and reliability of the system.

4. Efficiency: The rope diameter also affects the overall efficiency of the pulley system. Thicker ropes generally have lower flexibility and increased resistance to bending, which can result in higher friction losses within the pulley. Choosing a pulley with an appropriate groove size for the rope diameter helps minimize friction and energy losses, improving the overall efficiency of the system.

5. Application Specifics: Different applications may require specific rope diameters based on factors such as load requirements, environmental conditions, and safety considerations. For example, heavy-duty applications may necessitate thicker ropes to handle larger loads, while lighter applications may utilize thinner ropes for easier handling and reduced weight. Selecting the right rope pulley involves considering the application-specific requirements and matching them with the appropriate rope diameter.

6. Manufacturers’ Recommendations: It is important to consult the manufacturers’ recommendations and guidelines for selecting the right rope pulley based on the rope diameter. Manufacturers often provide specifications and compatibility charts that outline the suitable pulley options for different rope diameters. Following these recommendations ensures optimal performance, safety, and reliability of the rope pulley system.

Considering the significance of rope diameter in selecting the right rope pulley is crucial for ensuring proper engagement, load capacity, bending radius compliance, efficiency, application suitability, and adherence to manufacturers’ guidelines. By choosing a rope pulley that matches the specific rope diameter, the overall performance and longevity of the pulley system can be maximized.

rope pulley

How do advancements in material technology influence the design of modern rope pulleys?

Advancements in material technology have a significant impact on the design of modern rope pulleys. Here’s a detailed explanation:

1. Lightweight and High-Strength Materials: The development of lightweight and high-strength materials, such as advanced polymers, composites, and alloys, has revolutionized the design of rope pulleys. These materials offer superior strength-to-weight ratios compared to traditional materials like steel. As a result, modern pulleys can be designed with reduced weight while maintaining or even enhancing their load-bearing capacity.

2. Corrosion Resistance: Some industries operate in corrosive environments, such as marine or chemical industries. Advancements in material technology have led to the development of corrosion-resistant materials that can withstand exposure to harsh chemicals, saltwater, and other corrosive agents. Pulleys made from these materials maintain their performance and integrity over extended periods, reducing maintenance requirements and increasing their lifespan.

3. Wear Resistance: Modern materials with improved wear resistance properties contribute to the longevity and durability of rope pulleys. These materials can withstand friction, abrasion, and repetitive motion without significant wear or degradation. This results in reduced maintenance and replacement costs, making them more cost-effective for industrial applications.

4. Self-Lubricating Properties: Some advanced materials possess self-lubricating properties, reducing the need for external lubrication in rope pulley systems. These materials have low friction coefficients and can self-lubricate during operation, minimizing wear on the pulley and the rope. Self-lubricating pulleys offer advantages such as reduced maintenance, improved efficiency, and cleaner operation.

5. Temperature Resistance: Industries that operate in extreme temperature conditions, such as aerospace or oil and gas, require rope pulleys that can withstand high or low temperatures. Modern materials have been developed to exhibit excellent temperature resistance, allowing pulleys to maintain their performance and structural integrity under extreme temperature variations.

6. Design Flexibility: Advancements in material technology have increased the design flexibility of modern rope pulleys. These materials can be molded, extruded, or formed into complex shapes, allowing for customized designs to meet specific application requirements. Designers have the freedom to optimize pulley shapes, groove designs, and other features to enhance performance, efficiency, and load-bearing capabilities.

7. Enhanced Safety Features: Some modern materials incorporate safety features into the design of rope pulleys. For example, materials with high impact resistance can help prevent accidents and minimize the risk of pulley failure. Additionally, materials with inherent flame retardant properties can improve safety in industries where fire hazards are a concern.

Advancements in material technology continue to drive innovation in the design of modern rope pulleys. By leveraging the properties of new materials, engineers can create pulleys that are lighter, stronger, more durable, corrosion-resistant, and tailored to specific industrial needs. These advancements contribute to improved performance, efficiency, and safety in various applications where rope pulleys are utilized.

rope pulley

Are there variations in rope pulley sizes and configurations?

Yes, there are variations in rope pulley sizes and configurations to cater to different applications and load requirements. Here’s a detailed explanation:

1. Sizes: Rope pulleys come in a range of sizes to accommodate various rope diameters and load capacities. Smaller pulleys are typically used for lighter loads or in situations where space is limited. Larger pulleys are employed for heavier loads and applications where additional mechanical advantage is required. The size of the pulley is determined based on factors such as the diameter and type of rope used, the anticipated load, and the available space for installation.

2. Configurations: Rope pulleys can be configured in different ways to suit specific requirements. Some common configurations include:

  • Single Pulley: A single pulley consists of a single wheel with a grooved rim and a stationary or movable axle. It is used for basic redirection of force and change in direction.
  • Double Pulley: A double pulley, also known as a block and tackle, consists of two pulleys mounted on a common axle. It provides increased mechanical advantage by dividing the load between the two ropes. Double pulleys are commonly used in lifting heavy loads.
  • Multiple Pulleys: Pulley systems can be created by combining multiple pulleys. These systems can include fixed and movable pulleys arranged in various configurations, such as the compound pulley system or the complex block and tackle system. Multiple pulley configurations offer higher mechanical advantage and are used for lifting extremely heavy loads with reduced effort.

The choice of pulley size and configuration depends on factors such as the weight and type of load, the required mechanical advantage, the available space, and the specific application. Engineers, riggers, and designers consider these factors to select the most appropriate pulley size and configuration to ensure safe and efficient lifting and movement of loads.

China supplier 304 Stainless Steel Pulley Single Swivel Sheave for Wire Rope   pulley block	China supplier 304 Stainless Steel Pulley Single Swivel Sheave for Wire Rope   pulley block
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