Product Description

Product Description

Belt tensioners are extremely important in the proper operation of the accessory belt drive system. A tensioner maintains the correct amount of tension on the belt at all times throughout its duty cycle. It also helps protect other components such as the alternator and water pump from undue stress and premature failure. In addition, a tensioner is a relatively inexpensive part to replace. So, every time you replace a multi-ribbed belt, be sure to replace the tensioner at the same time.

Furthermore, when a tensioner has reached the end of its service life CZPT recommends that all wear parts are replaced at the same time to ensure the best long-term solution.

THE IMPORTANCE OF CORRECT BELT TENSION

If the belt tension is too low, the belt will slip causing noise, extremely high temperatures and premature belt wear, all of which can lead to the poor functioning of the belt-driven accessories. If the tension is too high, this will cause excessive wear to the belt-driven accessories.

Product Parameters

Item	VKM35			Alfa Romeo
5997325		VKM12101	CR1646	F-225717	Alfa Romeo
5972277		VKM122	Audi / VW
68,109,243		VKM11571	CR1682	F-9	Audi / VW
51,109,243		VKM11571	CR1863	F-22	Audi / VW
074109243R		VKM11072	CR1889	F-234389	Audi / VW
57119243C		VKM11105	CR1805	F-234396	Audi / VW
57119243K		VKM11106	CR1892	F-232489	Audi / VW
06A109479C		VKM11113	CR3140	F-123814	Audi / VW
06B109243D		VKM11116	CR3139		Audi / VW
036109243R		VKM11120	CR3146	F-231221.1	Audi / VW
038109243H		VKM11130	CR3176		Audi / VW
078109243C		VKM112	Audi / VW
078109243K		VKM11201	CR1642		Audi / VW
B		VKM21031	CR1681	F-853	Audi / VW
074109243A		VKM21041	CR3123	F-210963.1	Audi / VW
57109243D		VKM21045	CR3142	F-225766.1	Audi / VW
078109244F		VKM21052	CR3129		Audi / VW
036109244D		VKM21120	CR3145	F-231219	Audi / VW
036109181A		VKM21121	CR3148	F-231220	Audi / VW
038109244H		VKM21130	CR3	Audi / VW
038109244J		VKM21147	CR3495	F-239652	Audi / VW
078109244G		VKM21201	CR1643	F-123658	Audi / VW
38,145,276		VKM31	Audi / VW
57145276A		VKM31	Audi / VW
078903341J		VKM31571	CR3124	F-225712	Audi / VW
11281738605		VKM38.1	BMW
11281748131		VKM38.2	BMW
11311721263		VKM18	BMW
11311727611		VKM18	BMW
24410-235		Hyundai
9571176		VKM7	Opel / GM
9158		Opel / GM
94149432		VKM15210	CR1883	F-123645	Opel / GM
97571530		VKM15213	CR1811	F-123806	Opel / GM
9128656		VKM15216	CR1810	F-232481	Opel / GM
14510-PM7-		HONDA
13404-PT0-		HONDA
14510-PR3-		HONDA
MD192731		VKM75	Mitsubishi
MD315265		VKM75	Mitsubishi
MD128765		VKM75	Mitsubishi
Y701-12-730		VKM25210	CR1683	F-123806	Mazda
KLY2-12-SJ0		VKM74	Mazda
R201-12-7		Mazda
RFC6-12-7		Mazda

A wide range of applications:

• agriculture and forestry equipment
• automotive and industrial gearboxes
• automotive and truck electric components, such as alternators
• electric motors
• fluid machinery
• material handling
• power tools and household appliances
• textile machinery
• two Wheeler

Company Profile

Our Advantages

1.ISO Standard

2.Bearing Small order accepted

3.In Stock bearing

4.OEM bearing service

5.Professional Technical Support

6.Timely pre-sale service
7.Competitive price
8.Full range of products on auto bearings
9.Punctual Delivery
11.Excellent after-sale service
 

Packaging & Shipping

 

Packaging Details	1 piece in a single box 50 boxes in a carton 20 cartons in a pallet
Nearest Port	ZheJiang or HangZhou
Lead Time	For stock parts: 1-5 days. If no stock parts: <200 pcs: 15-30 days ≥200 pcs: to be negotiated.

 

FAQ

If you have any other questions, please feel free to contact us as follows:

 

Q: Why did you choose us?

1. We provide the best quality bearings with reasonable prices, low friction, low noise, and long service life.

2. With sufficient stock and fast delivery, you can choose our freight forwarder or your freight forwarder.

 

Q: Do you accept small orders?

100% quality check, once your bearings are standard size bearings, even one, we also accept.

 

Q: How long is your delivery time?

Generally speaking, if the goods are in stock, it is 1-3 days. If the goods are out of stock, it will take 6-10 days, depending on the quantity of the order.

 

Q: Do you provide samples? Is it free or extra?

Yes, we can provide a small number of free samples. 

 

Q: What should I do if I don’t see the type of bearings I need?

We have too many bearing series numbers. Just send us the inquiry and we will be very happy to send you the bearing details.

Q: Could you accept OEM and customize?
A: Yes, we can customize for you according to sample or drawing, but, pls provide us technical data, such as dimension and mark.

Contact Us 

Choosing a V-Belt

When choosing a v-belt, you should understand the characteristics of each type and how they affect the performance of your machine. Listed below are the characteristics of Cogged, Narrow profile, and wide v-belts. Learn about the advantages and disadvantages of each. Choose the right v-belt for your machine to maximize its performance. Learn about the different materials used to make v-belts and how they influence the performance of your machine.

Narrow v-belts

While the flat belts are the most common type of v-belt, narrow v-belts are also a common option for industrial applications. These belts are similar to wedge belts in that they transmit heavier loads, but in a smaller form. Narrow v-belts are typically designated as 3V, 5V, and 8V and are denoted by their top width, multiplied by an eighth of an inch. Narrow v-belt sections conform to a wedge belt profile and are usually standardized by manufacturers. For example, section 3V corresponds to a wedge-type profile, while section 5V corresponds to SPB.
Both narrow and conventional v-belts are made of rubber stocks, which are generally composed of polymer or synthetic rubber. Fabric materials may be used to cover the stock material, adding a layer of reinforcement and protection. Narrow v-belts have a higher power rating than traditional V-belts. This is due to their greater depth-to-width ratio, which puts more of the reinforcing cord beneath the sheave.
The Wedge TLP ™ Narrow V-belt from Continental features a homogeneous one-piece design for maximum strength and long-term performance. These belts feature a high-denier cord and can handle significant horsepower increases. These belts are ideal for industrial applications. However, they are not as durable as their wider counterparts. The Wedge TLP is also an excellent choice for heavy-duty industrial applications.

Cogged v-belts

A key benefit of cogged v-belts is their ability to increase power output without sacrificing reliability. These belts are designed with precision-engineered cogs, which allow them to fit into smaller pulleys without reducing power output. Their raw-edge sidewalls and specially formulated EPDM rubber compound also help provide grip power. Cogged v-belts are manufactured by Carlisle(r) and offer several advantages over conventional belts.
The performance benefits of Cogged V-Belts are widely acknowledged. The company uses added-strength EPDM compounds in their belts to help reduce downtime and energy consumption. They are ideal for demanding applications such as power transmission. These belts are available in a variety of sizes and cross-sections. The section number of Cogged v-belts is H3V, H4V, and H5V.
The main difference between cogged v-belts and wedge belts is in the contact angle. While wedge and cogged v-belts have the same contact angle, the design and construction differs. Cogged v-belts typically include top and bottom layers of rubber, dampening rubber, tension cords, and top and bottom metal rings. Polychloroprene and polyester cords are common materials for the top and bottom layers, while aramid fibers are used for punishing applications.
Cogged v-belts are more flexible than traditional v-belts. Because of the slots on the belt surface, they reduce bending resistance. They are compatible with the same pulleys as standard v-belts, and run cooler and longer. They are also more efficient than standard V-belts. If you are considering a cogged V-belt for your application, it may be worth it to investigate the benefits of this belt type.

Wide v-belts

Variable-speed v-belts are wider in cross section than classical v-belts. The design of variable-speed v-belts varies depending on the manufacturer, but generally features a parallel top and bottom surface. This type of v-belt wedges tightly into its pulley’s grooves, reducing power loss and slippage. This type of v-belt is best suited to applications where speed changes frequently.
High-performance Wide V-belts feature a fibre-reinforced EPDM rubber base. The resulting supercharged EPDM mix is better suited for applications where the belts are subject to higher temperatures. This type of drive belt can also replace existing drives with ease and efficiency. CZPT offers a wide range of drive belts for all applications. For applications where slack is an issue, wrapped V-belts are a smart choice.
Narrow-V-belts, on the other hand, have a more favorable height-to-width ratio. This means that a narrow-V belt can be smaller while still providing the same power transmission. These belts also have a lower mass, which reduces centrifugal forces and enables higher speeds. However, narrow-V-belts are prone to wear, but are still a popular choice in many applications.
In addition to being more durable, wrapped-V-belts have fabric-coated edges for better heat resistance. The material covering wrapped-V-belts also protects them from damage from friction and external contaminants. Unlike their rigid counterparts, these wide-V-belts have an improved lifespan and require less maintenance and downtime. These are excellent alternatives to conventional v-belts. So, what are the benefits of Wide-V-belts?

Narrow profile v-belts

When it comes to choosing the best V-belt for your needs, it is important to understand the differences between narrow profile and classical. Narrow profile V-belts are generally narrower in cross-section than classical v-belts. This makes them ideal for high-speed compact drives and light-duty applications. The following section details the differences between narrow and classical v-belts.
The tensile cords, or “cords,” are embedded into the rubber compound. These cords are the main power-transmitting component of a narrow profile v-belt. The tension cords are located at the pitch diameter of the belt cross-section and increase the tensile strength. They are typically made of steel, aramid fibers, or polyester. The core is usually made of polyurethane, but other materials can be used.
When measuring the v-belt’s width, it is important to understand the various sign-codes. Some v-belts have the wrong sign-coding schema. For example, a classical profile belt should be read as Lw = 3522 mm, while a narrow profile belt should be read as La=3553mm. A narrow profile v-belt has a steeper side-wall, which increases the wedging action. Moreover, the narrow profile v-belt has higher load capacity.
Despite their name, narrow profile v-belts are the most widely used and versatile type of v-belts. They are also the easiest to install. Their general size is similar to that of a wedge, and their number is derived from their numerical prefix. A narrow profile v-belt with a 3L300 part number is 3/8″ wide and 300.0 inches long.

Wide profile v-belts

Wide profile v-belts are designed for heavy-duty applications where extreme performance is required. They are ideal for such applications due to their high-flexural strength and shock-resistance. They also come with many benefits, including good noise-reduction, increased sturdiness, and easy maintenance. This article explores the features of wide profile v-belts and how they can benefit your business.
Classical v-belts have an internal dimensional metric marking called the “CZPT.” This identifies each specific belt. Generally, this number is a combination of the normal profile size designation letter and the internal length in inches. The inside length of the v-belt is indicated on the index of the v-belt. To begin installing the v-belt, mark the floor where it will be hung. Tape the end stop marker to the first stick.
Narrow v-belts are narrower than standard wide v-belts. They are also available in raw-edge cogged profiles and are intended for light-duty applications. Narrow V-belts are also available in 4 sizes. Compared to standard wide profile v-belts, narrow v-belts are most appropriate for high-speed, compact drives. However, wide profile v-belts are generally longer than narrow V-belts.
A v-belt is composed of different types of rubber and reinforcements. It undergoes tensile and compressive stresses on both sides. The top side of a v-belt experiences longitudinal tensile force, while the bottom side is subjected to compression against a pulley. Moreover, the included angle of a v-belt section is 40 deg. Various types of v-belts are available according to their cross-sections and performance specifications.

Standard v-belts

If you are installing v-belts, you must know the right way to measure them. Many v-belts are mislabelled as classic or SPA. If you are unsure of which 1 to choose, you can refer to the standard v-belts index. The basic way to measure v-belts is by using a measuring tape or a cable tie. Using the right technique will ensure you get the right length.
A well-engineered V-belt is made from an elastomer core, which is a material that is resistant to abrasion. The elastomer core is usually composed of polyurethane, which has excellent flexural strength and shock resistance. In addition to the elastomer core, a fabric cover protects the core from wear and environmental forces. Its fabric cover is treated to form a chemical bond with the belt core, which increases the fabric’s resistance to constant bending.
The cross-section of a standard V-belt is commonly described as a trapezium, with its top and bottom sides parallel. Knowing the cross-section of a standard V-belt is essential in matching it with a pulley. It is also important to know how the v-belt is positioned on a pulley and how to select the right belt for the job.