China manufacturer Efficient Manufactory Direct Belt CZPT Roller for Conveyor near me shop

Product Description

Product Description

Roller is an important component of belt conveyor.It has many kinds and large quantity,can support conveyor belt and material weight.


 Product Specification
 Model NO.  Steel roller
 Diameter  89-159mm
 Length  190-1500mm
 Material  Carbon steel
 Seal  Multiple labyrinth seal
 Bearing type  Deep Grove ball bearing
 Gurantee  12 months
 Color  Customized
 Certificate  ISO,CE
 Advantages  waterproof,dustproof,smooth running,no noise,rotational resistance, axial float, shaft radial play



A) Bearing: deep groove ball and double sealing bearing 2RZ and 2Z with C3 clearance;

B) Sealing: multi-stage labyrinth seals achieve waterproof and dust proof 

C) Lubrication: Grease is Lithium soap type grease with Rust Inhibitors, grease is permanent lubricant.

D) Color: roller surface could be painted any color as per customer request.

E) Each roller would be through strict inspection and test to ensure every out coming roller is of true high quality;

Detailed Photos

1. Seal assembly
The seal assembly of idler is made of nylon, and the structural from is non-contact labyrinth seal structure.
The inner and outer seals from a labyrinth passage with high precision, and the passage is filled with long-acting lithium-based grease, so that the idler has good waterproof and dustproof performance.

2. Bearing
The bearing of Idler adopts special C3 clearance grade deep groove ball bearing.
Before assembly, the bearing of idler has been filled with lithium base grease and sealed permanently on both sides, which can realize lifetime maintenance free and extend the service life of the bearing.

3. Shaft
The shaft of idler adopts high precision cold drawn round steel after quenching and tempering treatment. Advanced Chamfer milling machine is used to perform accurate machining at both ends of the shaft, so as to ensure that the axial displacement of the idler is almost zero.

4. Bearing housing
The fabrication of the bearing housing consists of a multi-stage precision automatic pressing operation, which ensure high accuracy of bearing and sealing position.
The idler pipes and bearing housing at both ends are 3mm fully fillet welded at the same time trough CO2 gas shield double-gun automatic welding machine, which gives a minimum of 70% weld penetration,and ensures that the idler even under the high load and high speed operation, still strong and durable.

5. Shell
The shell of idler adopts special ratio-frequency welded pipe with small bending degree and small ellipticity.
The advanced steel tube chamfer cutting off tool machine is used for predsemachining of both ends of pipe, which can effectively guarantee the concentricity of idlers and minimize the rotation resistance of idlers

Product Parameters

Technology Specification
D d



L b h f



D d



L b h f



89 20 4G204 200 14 6 14 2.79   133 25 4G205 380 18 8 17 7.84
250 2.98 465 9.24
315 3.58 600 11.48
465 5.24 700 13.44
600 6.48 1150 20.6
750 7.87 1400 24.61
950 9.72 4G305 380 8.21
25 4G205 8 18 17 11.21 465 9.62
108 20 4G204 315 14 6 14 4.46 530 10.7
465 6.07 600 11.86
950 11.27 700 13.51
25 4G205 315 18 8 17 5.07 800 15.17
380 5.86 1150 20.97
465 6.89 1400 24.99
600 8.53 1600 28.44
700 9.74 30 4G306 465 11.34
950 12.77 530 12.54
1150 13.99 800 17.48
1400 15.62 1400 26.75
4G305 380 6.23 1600 31.38
465 7.26 159 25 4G205 465 11.58
530 8.05 700 16.52
600 8.9 1400 31.09
700 10.11 4G305 465 12.02
800 11.32 530 13.84
950 13.14 700 16.95
1150 15.57 800 19.06
1400 18.47 1400 31.52
1600 21.02 1600 35.85
30 4G306 465 22 8.57 30 4G306 465 22 13.76
530 9.47 530 15.23
800 13.2 800 21.36
1400 21.49 1400 34.98
1600 24.26 1600 39.51

  Quality design and build

  Our focus on quality starts with sourcing only the best raw materials, rejecting anything that falls outside our strict tolerances.During manufacture your order is checked at each stage before passing through to the next process. This also contributes to our ability to meet orders on time.

Packaging & Shipping

Company Profile




Q: Are you a factory or trading company?

A: We are a factory and have export license. Besides, our factory has a number of product lines to provide products with stable production capacity for customers in delivery time.


Q: What information shall I provide in order to confirm the conveyor carrying rollers order?

A: We work with technical drawings for any non-standard products. If the order is for standard parts, you only have to provide us with the part number so we may define the parts of the order.


Q: How does your factory do regarding to quality control?
A: Quality is priority. We always attach great importance to quality control from beginning to the end of the
production. Every batch rollers will be carefully inspected before it’s packed for shipment.


Q: Do you have the products in stock?
A: No. All rollers are produced according to your order.


Q: Can I order a sample?
A: Of course. We can offer regular model roller sample for free, but the freight cost shall be borne by your side. If you want
customized model sample, we’d like you to bear the charge for sample and freight.

Q:Hong long is your delivery time?
A:Normally 7-30 days ,it depends on your quantity.For Decent order , we have flexible adjustment to ensure the delivery time.

If you do not see the question you are looking for, please contact us for further assistance.

Contact Person: Lisa Lee

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.

China manufacturer Efficient Manufactory Direct Belt CZPT Roller for Conveyor     near me shop China manufacturer Efficient Manufactory Direct Belt CZPT Roller for Conveyor     near me shop