China Professional Zinc Alloy Die Cast Single/Double Pulley with Nylon/Steel Wheel with Good quality

Product Description

Product Description
Zinc Alloy Die Cast Pulley Single/Double Wheel Rigid Eye with Steel wheel
Zinc Alloy Die Cast Pulley Single/Double Wheel Rigid Eye with Nylon wheel
Zinc Alloy Die Cast Pulley Single/Double Wheel Swivel Eye with Steel wheel
Zinc Alloy Die Cast Pulley Single/Double Wheel Swivel Eye with Nylon wheel

Technical Data and Dimensions
Zinc Alloy Die Cast Pulley Single Wheel with Nylon wheel

Size Total Length Eye Dia. Weight Each
(mm.) (mm.) (mm.) (Kg.)
15 49 10 0.571 
20 59 11 0.036 
25 70 12 0.052 
30 76 13 0.077 
40 90 16 0.110 
50 110 17 0.175 
65 133 18 0.360 

Zinc Alloy Die Cast Pulley Double Wheel with Nylon wheel

Size Total Length Eye Dia. Weight Each
(mm.) (mm.) (mm.) (Kg.)
15 49 10 0.034 
20 58 11 0.055 
25 70 12 0.072 
30 80 13 0.115 
40 90 16 0.190 
50 100 17 0.293 

Zinc Alloy Die Cast Pulley Double Wheel with Steel wheel

Size (D) Rope Dia.  Weight Each
(in.) (in.) (Kg.)
1/2 5/32 0.571 
3/4 3/16 0.040 
1 1/4 0.073 
1-1/4 5/16 0.126 
1-1/2 3/8 0.142 
2 7/16 0.283 

Zinc Alloy Die Cast Pulley Single Wheel with Steel wheel

Size (D) Rope Dia.  Weight Each
(in.) (in.) (Kg.)
1/2 5/32 0.571 
3/4 3/16 0.040 
1 1/4 0.073 
1-1/4 5/16 0.126 
1-1/2 3/8 0.142 
2 7/16 0.283 

*Other main type of Blocks are in following picture. You can contact our sales for products details.


1) What is the MIN order quantity ?
USD 1580 in total value, usually 1 ton.

2)What is the delivery time?
15 -20 days since received the deposit.

3)What is the Payment term?
A. 30% TT deposit, the balance against copy B/L.
B. Irrevocable L/C at sight.
C. Other payment can be negotiated.

4)Could I get free samples before first cooperation? 
Yes, of course! But the buyer need to afford express fee, which is returnable once we build cooperation.

5)What’s the packing method?
Packing methods for most of the products are in the cartons or polywood case.Special packages are available upon
customers’need. You can contact us for special or more detailed packages.

Why choose CHINAMFG (lift-sunny )

1). “ONE-STOP” Rigging and Marine supplier:  a great variety of rigging and marine products including 1,000 kinds
of products, 3,000 kinds of specifications, which are widely used in Construction,Transportation, Forestry, Oil&Gas,
Agriculture, Utilities, Aerospace, Marine, Manufacturing, Mining, Fishing and Government. 

2). Old history: since 1986, more than 30 years focus on rigging, marine and rubber products.
The founding principles of the company have never changed-business integrity,quality is everything.

3). Strong development capabilities: processing with Given materials and samples at own
module workshop, save cost, finish customers special and big order rapidly.

4). 4 round Superior Quality Control with 10 years records and zero complaint: 
4 round quality inspection including raw materials, production, finished products, final package, have a thorough
quality control system, professional staff, every step is under strict inspection, to insure 
that every product is perfect.For the individual and mass production part, the records which include the
sub-contractor records will be retained at least 10 years since the record has been made,
(e.g. inspection/test record, control plan, etc)
In the past years,the complaint rate of product quality from more than 50 countries customers is zero.

5). Certificate of Quality: ISO9001, CE, GS, CCS, ABS, BV, KR, REACH, etc. Photos as below.

6). Reasonable and Competitive price compared with others with same quality.

7). Fast Delivery time: within 20 days for most products.

8). Comfortable and topping after-sales service with 99.8% satisfaction rate for more than
50 countries and regions: We will send you “Customer Satisfaction Inventory” after you receive our first order.
If you are not satisfied with our quality,price or service, please list your comments or suggestions, the next day, our
senior manager will personally call you or email you, apologize to you, to solve your problem.Because day after day,
year after year of self-correction, our current customer satisfaction rate has reached 99.8%. we are very proud of this.
Of course, we still need to continue to work hard.Our main marketing as below picture.

9). Great Supports for marketing. With us, your money and business in safe.If you want to be
No.1 you should contact with us right now!


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Type: Rigid/Swivel Eye Pulley, Shackle Block, Hook Block
Material: Zinc Alloy, Steel, Stainless Steel Available
Number of sheaves: 1 or 2
Control: Manual
Color: Nickle or Zinc Plated
Application: Double Beam Crane, Gantry Crane, Bridge Crane, Tower Crane, Single Grinder Crane, Lifting Platform, Small Crane, Industrial, Rigging, Fasteners


Customized Request

wheel pulley

How do wheel pulleys contribute to efficient power transmission?

Wheel pulleys play a crucial role in facilitating efficient power transmission in mechanical systems. Here’s a detailed explanation:

1. Belt Engagement:

Wheel pulleys use belts to transmit power from one component to another. The design of the pulley ensures proper engagement with the belt, creating a positive grip that minimizes slippage. The belt wraps around the pulley’s circumference, maximizing the contact area and enhancing the transfer of rotational motion. This secure and efficient belt engagement allows for the effective transmission of power.

2. Mechanical Advantage:

Wheel pulleys are often used in conjunction with different-sized pulleys to create mechanical advantage. By varying the diameter of the pulleys in a system, the speed and torque can be adjusted to meet specific requirements. For example, a larger pulley driving a smaller pulley results in increased torque at the expense of speed, while a smaller driving pulley with a larger driven pulley increases speed at the expense of torque. This mechanical advantage enables efficient power transmission by matching the system’s power requirements.

3. Reduced Slippage:

Wheel pulleys are designed to minimize belt slippage during power transmission. The pulley’s groove profile and dimensions are carefully engineered to match the belt type and size, ensuring proper alignment and preventing the belt from slipping off the pulley. Additionally, tensioning mechanisms can be incorporated to maintain the optimal tension in the belt, further reducing the risk of slippage. By reducing slippage, wheel pulleys ensure that the transmitted power reaches the intended components efficiently.

4. Smooth Operation:

Wheel pulleys contribute to efficient power transmission by providing smooth operation. They are often equipped with bearings or bushings that reduce friction and enable the pulley to rotate smoothly. This smooth rotation minimizes energy losses due to friction, ensuring that the power is effectively transferred from the driving component to the driven component with minimal wastage.

5. Versatility and Adaptability:

Wheel pulleys offer versatility and adaptability in power transmission systems. They can accommodate various belt types, sizes, and materials, allowing for flexibility in system design and optimization. This versatility enables engineers to select the most appropriate belt and pulley combination for the specific power transmission requirements, maximizing efficiency.

6. Maintenance and Lubrication:

Proper maintenance and lubrication of wheel pulleys contribute to efficient power transmission. Regular inspection and maintenance help identify any issues or wear that may affect the pulley’s performance. Additionally, applying appropriate lubrication to the pulley’s bearings or bushings reduces friction, ensuring smooth operation and efficient power transfer.

Overall, wheel pulleys contribute to efficient power transmission through their effective belt engagement, mechanical advantage, reduced slippage, smooth operation, versatility, and proper maintenance practices. By optimizing these factors, wheel pulleys enable reliable and efficient power transfer in a wide range of mechanical systems and applications.

wheel pulley

Can wheel pulleys be customized for specific machinery and equipment?

Yes, wheel pulleys can be customized to meet the specific requirements of machinery and equipment. Here’s a detailed explanation of how wheel pulleys can be customized:

1. Pulley Size and Diameter:

Wheel pulleys can be manufactured in various sizes and diameters to match the specific dimensions and space constraints of the machinery or equipment. Customizing the pulley size ensures proper fitment and optimal power transmission.

2. Material Selection:

Depending on the application and environmental conditions, the material of the wheel pulley can be customized. Common materials used for wheel pulleys include metals such as steel, aluminum, or cast iron, as well as high-strength plastics. The choice of material is based on factors such as load capacity, durability, corrosion resistance, and weight considerations.

3. Shaft and Bearing Design:

The shaft and bearing design of the wheel pulley can be tailored to suit the specific load requirements and operating conditions of the machinery or equipment. This involves selecting the appropriate bearing type, size, and lubrication method. Additionally, the shaft can be customized in terms of length, diameter, and keyway specifications.

4. Pulley Groove Profile:

The groove profile of the wheel pulley can be customized to match the specific type of belt, rope, or cable used in the power transmission system. Different profiles, such as V-shaped, round, or flat, can be machined into the pulley to ensure proper engagement and grip with the power transmission element.

5. Surface Coatings and Treatments:

In certain applications, wheel pulleys may require surface coatings or treatments to enhance their performance. Customizable options include corrosion-resistant coatings, wear-resistant treatments, or special finishes to reduce friction and improve overall efficiency.

6. Integration of Additional Features:

Depending on the machinery or equipment’s unique requirements, wheel pulleys can be customized to integrate additional features or components. For example, pulleys can be designed with built-in keyways, set screws, or flanges for easy installation and alignment. Customized pulleys can also accommodate specific belt tensioning mechanisms or belt tracking systems.

7. Balancing and Precision Machining:

For high-speed applications or machinery that demands precise operation, wheel pulleys can undergo customized balancing and precision machining processes. This ensures smooth operation, minimizes vibrations, and reduces wear on the power transmission system.

By offering customization options in terms of size, material, shaft design, groove profile, surface coatings, additional features, and precision machining, wheel pulleys can be tailored to meet the specific requirements of machinery and equipment. This customization capability allows for optimized performance, reliability, and efficiency in power transmission systems.

wheel pulley

Can you explain the typical applications of wheel pulleys in machinery?

Wheel pulleys have a wide range of applications in machinery across various industries. They play a vital role in power transmission and motion control. Here’s a detailed explanation of the typical applications of wheel pulleys in machinery:

1. Conveyor Systems:

Wheel pulleys are extensively used in conveyor systems, which are commonly found in manufacturing plants, warehouses, and distribution centers. They serve as the driving or driven pulleys that move the conveyor belts, enabling the transportation of materials or products from one location to another.

2. Automotive Systems:

In automotive systems, wheel pulleys are employed in various applications. They are used in engine systems to drive accessories such as the alternator, power steering pump, water pump, and air conditioning compressor. Wheel pulleys are also utilized in the timing belt or chain system to synchronize the rotation of the engine’s camshafts and crankshaft.

3. Lifting Equipment:

Wheel pulleys are commonly found in lifting equipment, such as cranes, hoists, and elevators. They are used to transmit power and motion to lift heavy loads vertically or horizontally. Wheel pulleys enable the mechanical advantage required to lift and move substantial weights with reduced effort.

4. Manufacturing Machinery:

In manufacturing machinery, wheel pulleys are employed in various processes. They can be found in machines used for cutting, drilling, milling, grinding, and shaping, among others. Wheel pulleys facilitate the transmission of rotational motion and power, enabling the operation of these machines.

5. Power Tools:

Many power tools, such as drills, saws, and sanders, utilize wheel pulleys. These pulleys are used to transfer power from the motor to the cutting or sanding blades, enabling the tools to perform their intended functions effectively.

6. Printing and Packaging Machinery:

Wheel pulleys are essential components in printing and packaging machinery. They are utilized in systems that involve paper feeding, web tension control, and roll-to-roll movement. Wheel pulleys ensure precise and reliable power transmission, contributing to the smooth operation of these machines.

7. Agricultural Machinery:

In agricultural machinery, wheel pulleys find applications in various equipment such as tractors, combines, and harvesters. They are used to drive components like the conveyor systems, cutting blades, threshing mechanisms, and grain handling equipment, enabling efficient farming and harvesting processes.

8. Material Handling Equipment:

Material handling equipment, including forklifts, pallet jacks, and automated guided vehicles (AGVs), rely on wheel pulleys for their operation. Wheel pulleys facilitate the movement of these machines, allowing for the transportation and positioning of materials and goods within warehouses, distribution centers, and other industrial environments.

9. Exercise Equipment:

Wheel pulleys are commonly found in exercise equipment, such as treadmills, stationary bikes, and rowing machines. They are used to transmit power from the motor to the various components of the equipment, enabling the user to engage in physical activity.

10. HVAC Systems:

In heating, ventilation, and air conditioning (HVAC) systems, wheel pulleys are utilized to drive fans and blowers. They enable the circulation of air and contribute to the cooling, heating, and ventilation of buildings and enclosed spaces.

These are just a few examples of the typical applications of wheel pulleys in machinery. Wheel pulleys are versatile components that find use in a wide range of mechanical systems, contributing to efficient power transmission, motion control, and the operation of various types of machinery in different industries.

China Professional Zinc Alloy Die Cast Single/Double Pulley with Nylon/Steel Wheel   with Good quality China Professional Zinc Alloy Die Cast Single/Double Pulley with Nylon/Steel Wheel   with Good quality
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