8V Series Cast Iron Five-Groove Pulley Sheaves with Split Taper Bushings

Sheave Size Bushing Pitch Diameter (P.D.) Outside Diameter (O.D.) Type (L) (P) (C) (H) (F) (G) (X) (E) Weight (LBS)
5S8V125 S1 12.3 12.5 15 4-3/8″ 7/8″ 3/4″ 6-3/8″ 6″ 1-1/16″ 3-5/16″ 3/8″ 100.0
5S8V132 S1 13.0 13.2 15 4-3/8″ 7/8″ 3/4″ 6-3/8″ 6″ 1-1/16″ 3-5/16″ 3/8″ 109.0
5S8V140 S1 13.8 14.0 15 4-3/8″ 7/8″ 3/4″ 6-3/8″ 6″ 1-1/16″ 3-5/16″ 3/8″ 127.0
5S8V150 S1 14.8 15.0 15 4-3/8″ 7/8″ 3/4″ 6-3/8″ 6″ 1-1/16″ 3-5/16″ 3/8″ 120.0
5S8V160 S1 15.8 16.0 15 4-3/8″ 7/8″ 3/4″ 6-3/8″ 6″ 1-1/16″ 3-5/16″ 3/8″ 121.0
5S8V170 S1 16.8 17.0 15 4-3/8″ 7/8″ 3/4″ 6-3/8″ 6″ 1-1/16″ 3-5/16″ 3/8″ 133.0
5S8V180 S1 17.8 18.0 15 4-3/8″ 7/8″ 3/4″ 6-3/8″ 6″ 1-1/16″ 3-5/16″ 3/8″ 140.0
5S8V190 S1 18.8 19.0 15 4-3/8″ 7/8″ 3/4″ 6-3/8″ 6″ 1-1/16″ 3-5/16″ 3/8″ 158.0
5S8V200 S1 19.8 20.0 15 4-3/8″ 7/8″ 3/4″ 6-3/8″ 6″ 1-1/16″ 3-5/16″ 3/8″ 166.0
5S8V212 S1 21.0 21.2 15 4-3/8″ 7/8″ 3/4″ 6-3/8″ 6″ 1-1/16″ 3-5/16″ 3/8″ 174.0
5S8V224 U0 22.2 22.4 13 4-15/16″ 1/16″ 1-1/8″ 8-3/8″ 6″ 1-3/16″ 3-3/4″ 15/32″ 157.0
5S8V300 U0 29.8 30.0 13 4-15/16″ 1/16″ 1-1/8″ 8-3/8″ 6″ 1-3/16″ 3-3/4″ 15/32″ 243.0
5S8V400 U0 39.8 40.0 13 4-15/16″ 1/16″ 1-1/8″ 8-3/8″ 6″ 1-3/16″ 3-3/4″ 15/32″ 325.0
5S8V480 U0 47.8 48.0 13 4-15/16″ 1/16″ 1-1/8″ 8-3/8″ 6″ 1-3/16″ 3-3/4″ 15/32″ 440.0
5S8V530 U0 52.8 53.0 13 4-15/16″ 1/16″ 1-1/8″ 8-3/8″ 6″ 1-3/16″ 3-3/4″ 15/32″ 480.0
5S8V580 U0 57.8 58.0 13 4-15/16″ 1/16″ 1-1/8″ 8-3/8″ 6″ 1-3/16″ 3-3/4″ 15/32″ 525.0
5S8V640 U0 63.8 64.0 13 4-15/16″ 1/16″ 1-1/8″ 8-3/8″ 6″ 1-3/16″ 3-3/4″ 15/32″ 555.0

8V Series Cast Iron Five-Groove Pulley Sheaves with Split Taper Bushings

8V series 5-groove taper bushed sheaves are manufactured for 8V and 8V banded v-belts. They range from 12.5″ to 64.0″ in diameter. Depending on the sheave size, they are made to use an S1, or U0 split-taper bushings, which we also stock. Most of our 5-groove 8V split taper sheaves are manufactured from a high-strength grade 35 cast iron, are phosphate-coated, and are painted for anti-corrosion. All of them are balanced at the factory for smooth machinery operation.

Five-Groove 8V Split Taper Sheave Size Chart

Related Matching 8V, 8V Banded Series V-Belt

(1) 8V-Series V-Belts

Classic 8V-Series V-Belts have a 0.63″ top-width, 0.53″ thickness, and a 38° angle. Additionally, 8V V-belts are 1 of the oldest styles of V-Belts in the industry. Because of their long-term success and economical operation, they are also 1 of the industry’s most widely used belt series. The premium 8V-series v-belts we supply are manufactured under ISO 9001 specifications, are oil and heat resistant, and directly interchange with other brands. They are constructed of a natural rubber compound with polyester cords and use cotton with a polyester blend cover for high durability.

(2) 8V-Series Banded V-Belts

8V-series v-belts are a part of the “classic” lineup of v-belts because they are 1 of the oldest style belts used and 1 of the most common. Our belts are manufactured by ARPM standards and offer superior strength, durability, and performance. 8V-series v-belts have a 1.0″ top-width per belt (band/ rib).

Related Split Taper Bushings

Split taper bushings are amongst the most common bushings utilized due to their high integral strength, simplicity of installation and uninstall, and high holding power for successfully coupling a shaft CZPT a drive or idler component. Split taper bushings are utilized in a broad range of sheaves, conveyor pulleys, and sprockets. Our high-quality split taper bushings are manufactured from high-grade steel or cast and interchange with any other brand, designed as a flanged bushing with a tapered barrel attached that contains 1 slit on each side. We stock split taper bushings ranging from the G-series to W2-series and in inch and metric bore sizes that range from 0.375″ up to 7.438″. For additional information or to get a quote on our high-strength split taper bushings, please contact our customer support team, and we will be happy to assist you.

Always Pay Attention to the Two Major Parts of the Pulley Transmission

The masters who often deal with v belt pulleys all know that the accuracy of the belt drive’s transmission ratio is worse than that of the gear mesh drive. However, the belt transmission mechanism has stable transmission, low noise, a simple structure, and convenient maintenance. Therefore, the belt drive mechanism is widely used in mechanical transmission. However, because the belt is prone to electrostatic discharge after friction, it cannot be used in places prone to burning or explosion.

Two dangerous parts of a belt drive:

1. Where the belt enters the pulley: the distance between the belt guard and the belt should not be less than 50mm, and the design should be reasonable so as not to affect the operation of the machine. If the belt breaks, it will not fall and hurt people. If the belt breaks, it will not fall and hurt people. If the belt breaks, it will not fall and hurt people. Generally, the transmission mechanism is below 2m from the ground, and a protective cover should be provided. However, in the following 3 cases, it should be protected even if it is above 2m: the distance between the pulleys is above 3m; the width of the belt is above 15cm; the speed of the belt rotation is above 9m/min.

2. the joint of the belt must be firm and reliable. When installing the belt, make sure that the 10sion is appropriate. The belt drive mechanism can be protected by covering the entire belt or using protective railings. But when overloaded, the belt slips and acts as overload protection.

8V Series Sheaves Common Applications

  • Machine tools
  • Crushers, shredders, breakers, classifiers, shaker screens
  • Material conveyor systems
  • Fans, blowers, and exhausters
  • Pumps and compressors
  • Woodworking saws, mills, planers, lathes

Technological Processing

Company Profile

HZPT is a professional manufacturer of mechanical parts. Our main products are timing pulleys, sprockets, split taper bushings, coupling, and other transmission parts. Its products are mainly exported to Germany, Britain, France, and other European countries, with an annual export value of 18 million U.S. dollars, accounting for more than 65% of the total output. The annual output value reached 200 million yuan.

Our products all adopt international, European, and American advanced industrial standards, use precise and good processing equipment, develop reasonable production technology, apply efficient and flexible management systems, and improve the quality management system to ensure that the product quality is good and the price is affordable.

Our factory adheres to the enterprise concept of “quality: the basis of enterprise survival, integrity: the basis of enterprise development, service: the source of enterprise development, low price: the instrument of enterprise development.” We are always looking forward to the presence of customers at home and abroad, seeking CZPT benefits and joint cause development.

Warehouse Stock

The warehouse covers an area of 5000 square meters and can provide all kinds of standard models A/B/C/Z, with complete quantity and large quantity in stock. Meanwhile, it accepts all sorts of non-standard customization for drawing production. The daily production capacity is 10 tons, and the delivery time is short.

Packaging & Shipping

Experienced Workers Packing Pulleys Carefully, safe wooden cases keep parts from being injured or damaged during sea or air shipment.


Q1. Are you a manufacturer or a trading company?

A: We are a manufacturer and trading company.

Q2. What is your sample policy?

A: We can supply the sample if we have finished parts in stock, but customers need to pay for the sample cost and shipping fee.

Q3. Can you produce according to the samples?

A: We can produce power transmission parts according to your samples or technical drawings. We can build the molds and fixtures.

Q4. Do you test all your goods before delivery?

A: Yes, we have 100% test before delivery.

Q5. Can you customize pulleys?

A: Yes, please send us your drawing for an accurate quotation.

Q6. How long is your delivery time and shipment?

A: 1. Sample Lead-times: 10-20 days.

2. Production Lead-times: 30-45 days after the order is confirmed.

Q7. How do you make our business a long-term and good relationship?

A: 1. We keep good quality and competitive price to ensure our customers’ benefits ;

2. We respect every customer as our friend and sincerely do business and make friends with them, no matter where they come from.

Q8: What are your advantages?

1. The most competitive price and good quality.

2. Perfect technical engineers give you the best support.

3. OEM is available.

Additional information

What makes pulleys so important?

A pulley is a simple tool that makes it easy to lift or move heavy objects. There are many uses for this tool, but let’s take a look at their mechanical advantages. There are several types and many applications, along with their benefits and costs. So what makes them so important? Read on to find out! Below are some of the most common uses for pulleys. Let’s dive into them.

Mechanical advantage

If you’ve ever used rope and pulley systems, you’ve probably noticed their usefulness. A 3:1 mechanical advantage system is like a 300-pound load being moved 1 foot up by 3 feet of rope. Then you can imagine using the same rope to get into a small space. The same principle applies to limited spaces, and a simple mechanical advantage system is just what you need for this purpose.
Assuming frictionless bearings, a single movable pulley can have 2 mechanical advantages. It is attached to a heavy object and requires the pulling force exerted by the jack to lift the heavy object. However, when you use a compound pulley, the force exerted on the rope to lift the object changes direction. The 3 factors used to measure machine efficiency are force, distance, and relative motion.
The mechanical advantage of the pulley is that it reduces the effort required to lift weights. When the rope is attached to the 2 wheels, applying a force of 500 Newtons can lift a mass of 100 kg. This mechanical advantage is why 2 rings in a pulley are better than 1. Therefore, using a pulley system will save you energy. You can also use branches instead of ropes and pulleys.


There are several different types of pulleys. They can be simple or complex, depending on how they are connected. Simple pulleys have a grooved wheel on 1 end and are attached to an axle. These pulleys are used to lift heavy objects. They are often found on sailboats, and you can even see them on construction sites. On the other hand, stationary pulleys are attached to stationary structures, such as flagpoles. Fixed pulleys can also be used to lift loads from trucks or trains. Pulleys are also commonly used in wells.
Fixed pulley systems use rollers or single wheels. These pulleys are usually made of nylon or wire rope. They are used in heavy duty applications. They are also used in electric motors. A “V” pulley requires a “V” belt to transmit power. Some of these pulleys have multiple “V” grooves to reduce the risk of power slipping. Once installed, fixed pulleys are suitable for many applications.
Simple pulleys are simple pulleys. It has a pulley mounted on an axle and a rope at 1 end. Rope can be used to pull objects, while plastic pulleys can carry lighter loads. There are 2 main types: heavy duty and simple pulley systems. In either case, their function is the same: they change the direction in which the seat belt is fastened. So when comparing the 2, it’s easy to decide which 1 is best for you.


Pulley systems are simple machines used for a variety of industrial and mechanical tasks. Its design parameters and benefits have improved over the years, but they remain essential for many applications. Let’s take a look at some of the most common applications of pulleys. The applications for pulley systems are endless, from construction to mining, from transportation to packaging. Read on to learn more!
Pulley systems are often used to lift large objects, such as blocks, that might otherwise be too heavy to lift. It also makes the exploration process easier by helping people pull heavy objects into place. It is also widely used on sailing ships. Due to its low cost of use and no need for lubrication, it is a practical choice for many applications. It can be used to lift heavy objects and support long ropes.
The pulley system allows you to change the force required to move the object. For example, a 2-wheel pulley system is especially useful for reducing the effort required to lift large objects. The mechanical advantage increases with the number of wheels in the system. In addition, the mechanical advantage of a 2-wheel pulley system depends on the ratio of the load weight to the number of rope segments in the system.


In most cases, an idler replacement will cost around $150, but the exact cost will depend on several factors, including the make and model of the car. The cost also depends on the type of idler you need and the cost of the OEM parts. Some pulleys are easy to replace at home, while others require specialized tools, such as pulley wrenches. The chart below shows the cost of popular vehicles. Prices are valid at the time of writing.
The diameter of the pulley is also important, this should be about 60% of the diameter of the active pulley. You can also purchase compensating pulleys at factory prices. Be sure to select the correct size before placing the pulley on the machine. Also, make sure you have enough space for the pulleys. Once you have the desired pulley size, you can determine the best type of belt to install.
While this method is the most common type of belt drive, there are other methods of spinning cup blanks directly from a flat metal disk. One such method is described in US Patent No. 5,500,31. US Patent No. 1,728,002 and shows a method of making a dynamically balanced V-groove pulley. Using a headstock die with sliders increases the cost of the pulley. In addition, different cup blanks require different molds.


The lubrication of pulley bearings is relatively simple. The pulley itself rotates smoothly with little vibration. Bearing contact loads are relatively low, and well-lubricated pulleys operate near ambient temperatures. Here are some tips for properly lubricating pulley bearings. Make sure to lubricate the nozzle before applying grease.
Check grease, elastic ring, pulley bearing clearance once a year. If the elastic ring of the pulley is damaged or the roller bearing on the associated pulley is damaged, replace the pulley. Also, check the running noise of the pulleys to see if they are making noise. Check the bearing, damage to the elastic ring may indicate bearing failure or roller failure.
Proper lubrication is critical to the life of the rotating pinion. Avoid exposure to sunlight or water. Protects the pinion meshing area from hard impurities. Liaise with crane operators and lubricators during maintenance and lubrication operations. They should know how to avoid pitfalls in the lubrication process. In case of malfunction, please contact service personnel and take necessary measures.

Compound Pulley System

A compound pulley system is used to lift heavy objects. These systems can use ropes or cords of different sizes. In general, the total weight of all ropes must be less than the weight of a single rope. The system can be used in large areas, but may not be suitable for smaller spaces. To learn more about compound pulleys, read on! Here are some helpful tips. 1. Understand the difference between single wheel and compound wheel
A composite pulley system consists of 3 components: a drive pulley, 1 or more driven pulleys, and 2 pulleys. The drive wheels are usually connected to shafts that are connected to the engine or transmission. The driven wheel is a separate unit mounted on the same shaft as the drive wheel. A compound pulley system helps lift heavy loads. These pulleys are the most common type of pulley system in use today.
Composite pulley systems are widely used on construction sites. They save energy by spreading the weight of heavy loads over multiple smaller loads. This means that the elevator does not have to use high-capacity lifting equipment. Additionally, the compound pulley system allows users to easily adjust power distribution to meet their individual needs. They can also use more than 2 ropes if necessary. This increases the range of motion of the lift arm.

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