8V Series Cast Iron Six-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)
6S8V125 S1 12.3 12.5 15 4-3/8″ 2″ 3/4″ 6-3/8″ 7-1/8″ 1-1/16″ 3-5/16″ 3/8″ 109
6S8V132 S1 13.0 13.2 15 4-3/8″ 2″ 3/4″ 6-3/8″ 7-1/8″ 1-1/16″ 3-5/16″ 3/8″ 119
6S8V140 S1 13.8 14.0 15 4-3/8″ 2″ 3/4″ 6-3/8″ 7-1/8″ 1-1/16″ 3-5/16″ 3/8″ 135
6S8V150 S1 14.8 15.0 15 4-3/8″ 2″ 3/4″ 6-3/8″ 7-1/8″ 1-1/16″ 3-5/16″ 3/8″ 129
6S8V160 S1 15.8 16.0 15 4-3/8″ 2″ 3/4″ 6-3/8″ 7-1/8″ 1-1/16″ 3-5/16″ 3/8″ 133
6S8V170 S1 16.8 17.0 15 4-3/8″ 2″ 3/4″ 6-3/8″ 7-1/8″ 1-1/16″ 3-5/16″ 3/8″ 147
6S8V180 S1 17.8 18.0 15 4-3/8″ 2″ 3/4″ 6-3/8″ 7-1/8″ 1-1/16″ 3-5/16″ 3/8″ 154
6S8V190 S1 18.8 19.0 15 4-3/8″ 2″ 3/4″ 6-3/8″ 7-1/8″ 1-1/16″ 3-5/16″ 3/8″ 167
6S8V200 S1 19.8 20.0 15 4-3/8″ 2″ 3/4″ 6-3/8″ 7-1/8″ 1-1/16″ 3-5/16″ 3/8″ 178
6S8V212 S1 21.0 21.2 15 4-3/8″ 2″ 3/4″ 6-3/8″ 7-1/8″ 1-1/16″ 3-5/16″ 3/8″ 186
6S8V224 U0 22.2 22.4 15 4-15/16″ 1/2″ 1-11/16″ 8-3/8″ 7-1/8″ 1-3/16″ 3-3/4″ 15/32″ 195
6S8V300 U0 29.8 30.0 15 4-15/16″ 1/2″ 1-11/16″ 8-3/8″ 7-1/8″ 1-3/16″ 3-3/4″ 15/32″ 263
6S8V400 U0 39.8 40.0 15 4-15/16″ 1/2″ 1-11/16″ 8-3/8″ 7-1/8″ 1-3/16″ 3-3/4″ 15/32″ 363
6S8V480 U0 47.8 48.0 15 4-15/16″ 1/2″ 1-11/16″ 8-3/8″ 7-1/8″ 1-3/16″ 3-3/4″ 15/32″ 478
6S8V530 U0 52.8 53.0 15 4-15/16″ 1/2″ 1-11/16″ 8-3/8″ 7-1/8″ 1-3/16″ 3-3/4″ 15/32″ 510
6S8V580 U0 57.8 58.0 15 4-15/16″ 1/2″ 1-11/16″ 8-3/8″ 7-1/8″ 1-3/16″ 3-3/4″ 15/32″ 555
6S8V640 U0 63.8 64.0 15 4-15/16″ 1/2″ 1-11/16″ 8-3/8″ 7-1/8″ 1-3/16″ 3-3/4″ 15/32″ 585

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

8V series 6-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 6-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.

Six-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.

Pulley Material and Production Requirements:

1. The material of the pulley used for the fan is gray cast iron HT200, HT250, etc. (but steel parts, copper parts, aluminum parts, etc. can also be used according to customer needs).
2. The pulley should meet the following requirements: lightweight, uniform mass distribution, elimination of internal stress generated during manufacture, and static balance correction should be performed on the v belt pulley.

Pulley Installation Method:

1. Check the pulley grooves to make sure there are no scratches or sharp edges and all dimensions are up to standard;
2. Clean the surfaces of all parts, such as hub holes, taper sleeves, bolt holes, etc. Fit the cone sleeve into the pulley, aligning all the screw holes.
3. Apply oil to the screw (TB1008-TB3030) and thread (TB3525-TB5050) and screw them into the mounting holes, but do not tighten them yet.
4. Clean the surface of the drive shaft, push the pulley with the tapered sleeve installed to the predetermined position on the post, and check whether the V-belt pulley is aligned.
5. When using the keyway, it must be inserted into the hub first, and there must be a certain tolerance between the keyway and the hole hub.
6. Using a hexagonal wrench conforming to the DIN911 standard, alternately, gradually, and evenly tighten the bolts in each mounting hole until the torque shown in the table below is reached.
7. After a short period of operation (0.5 to 1 hour), check the tightening torque of the bolts and retighten them if necessary.
8. To prevent the intrusion of foreign matter, fill the hole’s connection hole with grease.

Pulley Removal Method:

1. Loosen all the bolts, take out 1 or 2 bolts according to the number of disassembly holes, lubricate the bolt pattern and tip with oil, and insert the bolt into the disassembly hole.
2. Tighten the bolts alternately until the taper sleeve and pulley are loosened.
3. Remove the taper sleeve and pulley from the shaft.

Usage Scenario of 8V Series Sheaves

Technological Processing

Company Profile

HZPT is a professional manufacturer of mechanical parts. Our main products are v belt 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

The benefits of using pulleys

A pulley is a mechanical device that converts force into rotation. There are many advantages to using pulleys. Let’s take a look at a few of them. This article will describe the advantages, types, applications, and power sources of pulleys. You can then choose the pulley that best suits your specific needs. If you’re looking for a new tool to help you with a certain task, this article is for you.

Mechanical advantage

The mechanical advantage of a pulley can be defined as the ratio of applied force to the applied force. The mechanical advantage of a pulley can be calculated by considering several factors, including weight and friction. It can be calculated by the force applied per unit length of rope and the number of pulleys used. In a single-circuit system, the force required to lift a heavy object is equal to the user’s body weight.
The mechanical advantage of a pulley can be realized by comparing it to a seesaw. Both uses of rope are suitable for lifting objects. A rope 4 times heavier than a kilo is 4 times as effective. Because the forces on both sides of the pulley are equal, a small force is enough to move a large weight a short distance. The same force can be applied to a large mass to lift it several meters.
After introducing the concept of mechanical advantage, learners will practice using the pulley system. In addition to testing the pulley system, they should also calculate its mechanical advantage. Using either the instructor-provided handout or the learner’s workbook, students will determine how easily the pulley system functions. Once they have completed the test, they can discuss their results and how the system can be improved. These courses are best completed as part of a mini-unit or as a standalone main course.
The mechanical advantage of the pulley system is proportional to the number of rope loops. This circuit requires the same force as the dual circuit to lift heavy objects. A single lap requires only a third of the force to lift a double lap, while 3 laps require almost half the energy required for a single lap. The mechanical advantage of the pulley system becomes constant as the number of cycles increases.
The 3:1 Mechanical Advantage system feels like lifting a 300-pound load with 3 feet of rope. The 3-foot-long rope moves the load 1 foot high. Understanding the mechanical advantages of pulleys is critical for rescuers when trying to create the perfect pulley system. Ideally, the pulley system will be anchored to a nearby rock, tree, pole or person – if the weight is not too heavy.

Types of pulleys

There are several types of pulleys. V-belt pulleys are the type commonly used in vehicles and electric motors. “V” pulleys require a “V” belt, and some even have multiple V grooves. “V” pulleys are often used in heavy duty applications for power transmission because they reduce the risk of power slippage.
Composite pulleys combine the properties of fixed and movable pulleys. Compound pulleys are able to change the direction of force while requiring relatively low force to move even the heaviest loads. Mechanical advantage is a measure of the effectiveness of a machine or equipment. It can be divided into 3 categories: force, distance and mechanics. Once you understand how each type works, you can design complex machines.
Fixed pulleys: These pulleys are the most basic type of pulleys. They use ropes and slotted wheels to move with the lifted object. Because they are so simple to set up, lifting heavy objects is a breeze. Although the moving object feels light, it is actually heavier than it actually is. These pulleys are used in construction cranes, utility elevators and many different industries.
Compound Pulley System: A pulley pulley is a combination of 2 fixed pulleys and 1 movable pulley. Compound pulley systems are effective for moving heavy objects because they have the largest force multipliers and are flexible enough to change the direction of the force as needed. Composite pulley systems are commonly used in rock climbing, theater curtains and sailing. If you’re looking for a pulley system, you can start by evaluating the types of pulleys and their uses.
Construction Pulleys: These are the most basic types of pulleys and have wheel rails. These pulleys can be lifted to great heights and attached to chains or ropes. They allow workers to access equipment or materials from greater heights. They are usually mounted on wheels with axles and secured with ropes. They are essential tools for construction workers. There are many different types of pulleys out there.

energy source

Belts and pulleys are mechanical devices used to transmit energy and rotational motion. The belt is connected to the rotating part of the energy source, and the pulley is mounted on the other. One pulley transmits power to the other, while the other changes the direction of the force. Many devices use this combination, including automobiles, stationary generators, and winches. It is used in many home applications, from conveyors to treadmills. Pulleys are also used for curtains in theater halls.
Pulley systems are an essential part of modern industry and everyday life. Pulleys are used in elevators, construction sites and fitness equipment. They are also used in belt-driven generators as backup power. Despite their simple and seemingly humble beginnings, they have become a versatile tool. From lifting heavy objects to guiding wind turbines, pulley systems are widely used in our daily lives.
The main reason why pulleys are so popular is the mechanical advantage they offer. They can lift a lot of weight by applying very little force over longer distances. For example, a small motor can pull 10 meters of cable, while a large motor can pull 1 meter. Also, the work done is equal to the force times the distance traveled, so the energy delivered to the large motor is the same.
The power source for the pulley system can be cables, belts or ropes. The drive element in a pulley system is usually a rope or cable. A belt is a loop of flexible material that transmits motion from 1 pulley to another. The belt is attached to the shaft and a groove is cut in the pulley. The belt then transfers energy from 1 pulley to the other through the system.


A pulley is a mechanical device used to lift heavy objects. They reduce the amount of work required to lift heavy objects and are an excellent choice for many applications. There are several different applications for pulleys, including elevators, grinders, planters, ladder extensions, and mountaineering or rock climbing. Let’s take a look at some of the most popular uses for pulleys in modern society. These include:-
A pulley is a mechanical device that changes force. To use, you wrap the rope around it and pull down to lift the object. While this device is very useful, a major limitation of using pulleys is that you still have to apply the same force to lift the object as you would without the pulleys. This is why people use pulleys to move large objects like furniture and cars.
In addition to lifting heavy objects, pulleys are used in elevators, flagpoles and wells. These systems allow people to move heavy objects without straining their backs. Many other examples of pulleys in the home include garage doors, flagpoles, and elevators. They also help raise and lower flagpoles, which can reach several stories high.
There are 2 basic types of pulleys: movable and fixed. Fixed pulleys are attached to a ceiling or other object using 2 ropes. Modern elevators and construction cranes use movable pulleys, as do some weight machines in gyms. Composite pulleys combine movable and fixed pulleys to minimize the force required to move heavy objects.
Another type of fixed pulley is the flagpole. A flagpole can support a country, organization, or anything else that needs to be lifted. A taller flagpole creates a prouder moment for those who support it. The operation of the rope and pulley mechanism is very simple. The user simply attaches the flag to the rope, pulls the pulley, and he or she can watch the flag rise and unfold.

V Pulley

As one of the V pulley manufacturers, suppliers, and exporters of mechanical products, We offer V pulleys and many other products.

Please get in touch with us for details.

Manufacturer supplier exporter of V pulleys.