Size Bushing Type Type Pitch Diameter Outside Diameter (E) (F) (L) (M) Weight (LBS)
65V440SD SD E 4.30″ 4.40″ 3 25/32″ 4 7/16″ 1 13/16″ 21/32″ 10.1
65V465SD SD E 4.55″ 4.65″ 3 25/32″ 4 7/16″ 1 13/16″ 21/32″ 10.4
65V490SD SD A 4.80″ 4.90″ 21/32″ 4 7/16″ 1 13/16″ 1 31/32″ 11.2
65V520SD SD A 5.10″ 5.20″ 21/32″ 4 7/16″ 1 13/16″ 1 31/32″ 12.1
65V550SD SD A 5.40″ 5.50″ 21/32″ 4 7/16″ 1 13/16″ 1 31/32″ 13.3
65V590SK SK A 5.80″ 5.90″ 17/32″ 4 7/16″ 1 15/16″ 1 31/32″ 14.6
65V630SK SK A 6.20″ 6.30″ 17/32″ 4 7/16″ 1 15/16″ 1 31/32″ 17.4
65V670SF SF A 6.60″ 6.60″ 25/32″ 4 7/16″ 2 1/16″ 1 19/32″ 20.0
65V710SF SF A 7.00″ 7.10″ 25/32″ 4 7/16″ 2 1/16″ 1 19/32″ 21.9
65V750SF SF A 7.40″ 7.50″ 25/32″ 4 7/16″ 2 1/16″ 1 19/32″ 23.4
65V800E E A 7.90″ 8.00″ 27/32″ 4 7/16″ 2 3/4″ 27/32″ 24.2
65V850E E A 8.40″ 8.50″ 27/32″ 4 7/16″ 2 3/4″ 27/32″ 26.7
65V900E E A 8.90″ 9.00″ 27/32″ 4 7/16″ 2 3/4″ 27/32″ 28.5
65V925E E A 9.15″ 9.25″ 27/32″ 4 7/16″ 2 3/4″ 27/32″ 30.2
65V975E E A 9.65″ 9.75″ 27/32″ 4 7/16″ 2 3/4″ 27/32″ 33.8
65V1030E E A 10.20″ 10.30″ 27/32″ 4 7/16″ 2 3/4″ 27/32″ 36.6
65V1090E E A 10.80″ 10.90″ 27/32″ 4 7/16″ 2 3/4″ 27/32″ 38.1
65V1130E E A 11.20″ 11.30″ 27/32″ 4 7/16″ 2 3/4″ 27/32″ 39.8
65V1180E E A 11.70″ 11.80″ 27/32″ 4 7/16″ 2 3/4″ 27/32″ 41.2
65V1250F F B 12.40″ 12.50″ 23/32″ 4 7/16″ 3 3/4″ 1/32″ 58.2
65V1320F F B 13.10″ 13.20″ 23/32″ 4 7/16″ 3 3/4″ 1/32″ 64.0
65V1400F F B 13.90″ 14.00″ 23/32″ 4 7/16″ 3 3/4″ 1/32″ 66.0
65V1500F F B 14.90″ 15.00″ 23/32″ 4 7/16″ 3 3/4″ 1/32″ 68.0
65V1600F F B 15.90″ 16.00″ 23/32″ 4 7/16″ 3 3/4″ 1/32″ 77.5
65V1870F F D 18.60″ 18.70″ 1/32″ 4 7/16″ 3 3/4″ 23/32″ 85.8
65V2120F F D 21.10″ 21.20″ 1/32″ 4 7/16″ 3 3/4″ 23/32″ 96.0
65V2360J J C 23.50″ 23.60″ 1/8″ 4 7/16″ 4 5/8″ 1/16″ 113.0
65V2800J J C 27.90″ 28.00″ 1/8″ 4 7/16″ 4 5/8″ 1/16″ 148.0
65V3150J J C 31.40″ 31.50″ 1/8″ 4 7/16″ 4 5/8″ 1/16″ 183.0
65V3750J J C 37.40″ 37.50″ 1/8″ 4 7/16″ 4 5/8″ 1/16″ 218.0
65V5000M M C 49.90″ 50.00″ 1 3/32″ 4 7/16″ 6 3/4″ 1 7/32″ 310.0

5V Series Cast Iron Six-Groove QD Sheaves for “5V” Belts

5V series 6-groove QD (quick detachable) bushed sheaves are manufactured for 5V, 5VX, banded 5V, and banded 5VX belts. They range from 4.40″ to 50.00″ in diameter. Depending on the sheave size, they are made to use an SD, SK, SF, E, F, or J QD bushing, which we also stock. Most of our 6-groove 5V QD 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 5V QD Sheave Size Chart

Related Matching 5V, 5VX Series V-Belt

(1) 5V-Series V-Belts

Classic 5V-Series V-Belts have a 0.63″ top-width, 0.53″ thickness, and a 38° angle. Additionally, 5V 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 5V-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. 5V series belts are used in most general heavy-duty industrial applications along with Heating, ventilation, air conditioning (HVAC), lawn and garden equipment, and agricultural equipment.

(2) 5VX Cogged V-Belts

5VX cogged v-belts are designated by having a 0.53″ top-width and 0.53″ thickness. Our cogged 5VX v-belts are manufactured with raw-edge sidewalls to eliminate slippage and increase efficacy, saving operation costs. They are also manufactured by ARPM standards and are oil and heat-resistant. 5VX belts are constructed from a high-quality chloroprene compound with high-strength polyester chords and have a top fabric built from a cotton polyester blend. Besides the performance, durability, and energy savings benefits, our cogged v-belts will work with existing stand pulleys/ sheaves. Please contact us for a quote on 5VX cogged v-belts or pulleys, and we will be happy to assist you.

(3) 5V-Series Banded V-Belts

5V-series v-belts are a part of the “classic” lineup of v-belts because they are 1 of the oldest and most common style belts. Our belts are manufactured by ARPM standards and offer superior strength, durability, and performance. 5V-series v-belts have a 0.63″ top-width per belt (band/ rib).

(4) 5VX Banded Cogged V-Belts

All our v-belts are manufactured by ARPM specifications and offer superior performance and durability. Due to their design, banded 5VX cogged v-belts run smoother, more relaxed, and typically outlast a standard banded C v-belt. They also offer a higher efficiency than ordinary banded v-belts, which means fewer energy costs. We can also stock sheaves/ pulleys for 5VX banded belts.

QD Bushings | Quick Disconnect Bushings

QD bushings are utilized throughout the industrial power transmission and agricultural industry for various sprockets, sheaves, pulleys, and synchronized drives. They are designed for easy installation and easy uninstallation; they are also commonly referred to as quick-disconnect bushings. QD bushings can help conventional mounting with the flange outboard and reverse mounting to where the flange is inboard and utilize a single split that extends through the entire bushing length. Our QD bushings interchange with other brands and are made from high-grade steel precision machined for perfect application fitment. QD bushings’ benefits over different styles include; ease of installation/ uninstall, superior holding power, and extreme strengths. We stock all the standard sizes of QD bushings and supply custom QD bushings upon request, including stainless steel 1s. QD bushings are found in some of the most rugged applications worldwide; contact our customer service team today for a quote or additional information on our premium QD bushings.

Features of Taper Bush Pulleys

The taper bush pulley is a mechanical connection assembly with a tapered sleeve embedded between the installation shaft and the pulley, in which the pulley is self-locking on the pointed sleeve by the inner hexagon screw, and the tapered sleeve tightly holds the installation shaft. The tapered sleeve is mainly divided into the TB taper sleeve and the QD taper sleeve. The holes where the taper sleeve and the pulley match are all half-sided, and the 2 light holes on the taper sleeve and the 2 threaded holes on the pulley, respectively, form a complete. A threaded hole on the tapered sleeve and a smooth hole on the pulley form a complete fix. When assembling, put the 2 screws in the 2 threaded holes of the pulley. As the screws are continuously tightened in the threaded holes on the pulley, the thread action pushes the screws to the small end of the tapered hole on the pulley. The tapered sleeve is The 2 light holes of the screw that are not entirely machined so that when the head of the screw touches the bottom of the straw hole, the force is transmitted to the tapered sleeve. The tapered sleeve moves relative to the pulley to the small end of the tapered hole of the pulley, At this time, because of the taper, the tapered sleeve will continue to wrap the shaft, and the post will react to the tapered sleeve, and then on the pulley. This way, the pulley, taper sleeve, and shaft are tightly assembled.

QD Bushed 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 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

Three basic types of pulleys, their applications and ideal mechanical advantages

There are 3 basic types of pulleys: movable, fixed and compound. Each has its advantages and disadvantages, and you should be able to judge which type is best for your needs by looking at the table below. Once you have mastered the different types of pulleys, you can choose the right pulley for your next project. Now that you have mastered the 3 basic types, it is time to understand their applications and ideal mechanical advantages.


The stress characteristics of a pulley depend on its size and construction. These stresses are derived by comparing the stress characteristics of different pulley designs. Stress criteria include static and fatigue strength analyses and specify maximum stress ranges. Stresses are calculated in a 3D stress field, including radial, tangential and axial stresses. The stress characteristics of pulleys are critical to the design and manufacture of industrial machines.
The principal stresses on the pulley shell are distributed in the tangential and hoop directions, close to the centerline of the pulley. If the pulley has a wide face, the axial stress occurring near the shell/disk junction can be large. The stress distribution was determined using British Standard BS5400 Part 10: Stresses at the shell and end disc connections for infinite fatigue life.
Another type of composite is a pulley with a belt section. Such structures are well known in the art. The corresponding help chapters for these elements contain detailed descriptions of the internal structure of these components. Chamfers between pulleys can also be defined using multiple tapers, with a smaller taper extending from midpoint 44 to large diameter 42. Additionally, the pulley can have multiple taper angles, and as the pulley moves away, the taper angle is from the center.


A pulley system uses a rope to move the object and 1 side of the rope to lift the load. The load is attached to 1 end of the pulley, while the other end can move freely in space. The force applied to the free end of the rope pulls the load up or down. Because of this, the mechanical advantage of the movable pulley is 2 to 1. The greater the force applied to the free end of the rope, the greater the amount of movement achieved.
There are 3 common types of pulleys. The cast-iron variety has a rim at the front and a hub at the back. The arms of the pulley can be straight or curved. When the arms contract and yield instead of breaking, they are in 10sion. The top of the pulley centers the belt in motion and is available in widths ranging from 9mm to 300mm.
The rope, hub and axle are mounted on the pulley. They are common and versatile mechanical devices that make it easier to move or lift objects. Some pulleys change the direction of the force. Others change the magnitude. All types of pulleys can be used for a variety of different applications. Here are some examples. If you’re not sure which type to choose, you can find more resources online.


The applications for pulleys are almost limitless. This simple machine turns complex tasks into simple 1s. They consist of a rope or chain wrapped around a wheel or axle. Using ropes, 1 can lift heavy objects without the enormous physical exertion of traditional lifting equipment. Some pulleys are equipped with rollers, which greatly magnifies the lifting force.
When used properly, the pulley system can change the direction of the applied force. It provides a mechanical advantage and allows the operator to remain separate from heavy objects. They are also inexpensive, easy to assemble, and require little lubrication after installation. Also, once installed, the pulley system requires little maintenance. They can even be used effortlessly. Despite having many moving parts, pulley systems do not require lubrication, making them a cost-effective alternative to mechanical lifts.
Pulleys are used in many applications including adjustable clotheslines in different machines, kitchen drawers and motor pulleys. Commercial users of pulley systems include cranes. These machines use a pulley system to lift and place heavy objects. They are also used by high-rise building washing companies. They can easily move a building without compromising its structural integrity. As a result, many industries rely on technology to make elevators easier.

Ideal mechanical advantage

The ideal mechanical advantage of a pulley system is the result of rope 10sion. The load is pulled to the center of the pulley, but the force is evenly distributed over the cable. Two pulleys will provide the mechanical advantage of 2 pulleys. The total energy used will remain the same. If multiple pulleys are used, friction between pulleys and pulleys reduces the return of energy.
Lever-based machines are simple devices that can work. These include levers, wheels and axles, screws, wedges and ramps. Their ability to work depends on their efficiency and mechanical superiority. The ideal mechanical advantage assumes perfect efficiency, while the actual mechanical advantage takes friction into account. The distance traveled by the load and the force applied are also factors in determining the ideal mechanical advantage of the pulley.
A simple pulley system has an MA of 2. The weight attached to 1 end of the rope is called FA. Force FE and load FL are connected to the other end of the rope. The distance that the lifter pulls the rope must be twice or half the force required to lift the weight. The same goes for side-by-side pulley systems.

Materials used in manufacturing

While aluminum and plastic are the most common materials for making pulleys, there are other materials to choose from for your timing pulleys. Despite their different physical properties, they all offer similar benefits. Aluminum is dense and corrosion-resistant, and plastic is lightweight and durable. Stainless steel is resistant to stains and rust, but is expensive to maintain. For this reason, aluminum is a popular choice for heavy duty pulleys.
Metal can also be used to make pulleys. Aluminum pulleys are lightweight and strong, while other materials are not as durable. CZPT produces aluminium pulleys, but can also produce other materials or special finishes. The list below is just representative of some common materials and finishes. Many different materials are used, so you should discuss the best options for your application with your engineer.
Metals such as steel and aluminum are commonly used to make pulleys. These materials are relatively light and have a low coefficient of friction. Steel pulleys are also more durable than aluminum pulleys. For heavier applications, steel and aluminum are preferred, but consider weight limitations when selecting materials. For example, metal pulleys can be used in electric motors to transmit belt motion.


Replacing a 10sioner in a car’s engine can cost anywhere from $90 to $300, depending on the make and model of the car. Cost can also be affected by the complexity of the pulley system and how many pulleys are required. Replacement costs may also increase depending on the severity of the damage. The cost of replacing pulleys also varies from car to car, as different manufacturers use different engines and drivetrains.
Induction motors have been an industrial workhorse for 130 years, but their cost is growing. As energy costs rise and the cost of ownership increases, these motors will only get more expensive. New technologies are now available to increase efficiency, reduce costs and improve safety standards.
The average job cost to replace an idler varies from $125 to $321, including labor. Parts and labor to replace a car pulley can range from $30 to $178. Labor and parts can cost an additional $10 to $40, depending on the make and model of the car. But the labor is worth the money because these pulleys are a critical part of a car’s engine.