China Four row cylindrical rolling mill bearing are divided into two types of steel rolling mill and aluminum rolling mill. Their rotating speed are 400-600rpm(steel) bearing bronze

Product Description

E-ASIA cylindrical roller bearings ,tapered roller bearings, plain bearings -reliability, generality, choosability
Rigorous working conditions demand reliable solutions, HYJG bearings can help you to improve usability of equipments, reduce down time and save costs. Our products will be your ideal products.
Reliability: professional craft, superior production equipment and unremitting updated technology, guarantee the quality and reliability of products.
Generality: E-ASIA bearings can make equipment working better when both axial and radial loads are required. Our characterized design can make rollers and raceways bear well-distributed loads.
Choosability: From self-lubricating to steel-on-steel bearings, from open to closed bearings.
Maintenance-free spherical plain bearings are designed for types of duty where:

  1. loads are heavy and are of constant direction, or
  2. friction should be low and also constant, or
  3. relubrication is impossible or undesirable.
  4. This makes bearings more sensitive to alternating or “hammering” loads so that steel-on-steel bearings should be used under such conditions.

Cylindrical roller bearings and tapered roller bearings are divided into high speed high load and pure high velocity.
Industry Application
HYJG bearings can reduce friction and transmission power effec­tively, applied extensively on following industries:

  1. auto mobile manufacturing
  2. heavy truck
  3. concrete
  4. electromechanics
  5. railway
  6. petroleum
  7. gear drive
  8. metallurgy
  9. coal power

Four-row cylindrical roller bearings
four-row cylindrical roller bearings are available in several designs:
·with a cylindrical or tapered bore
·open or sealed
Four-row cylindrical roller bearings are used almost exclusively for the roll necks of rolling mill stands, calenders and roller presses.
Because they are normally mounted with an interference fit on the roll neck, four-row cylindrical roller bearings are well suited for rolling
mill applications where the rolling speed is high.
Because four-row cylindrical roller bearings can accommodate only radial loads, they are mounted together with deep groove or angular
contact ball bearings, or with tapered roller bearings (either radial or thrust design) which accommodate the axial loads.

NEW MODEL OLD MODEL (mm) (mm) (mm) (kN) (kN) (r/min) (r/min) (kg)
FC2571104 672720 100 140 104 350 470 3600 4400 5.2
FC257170 672820 100 140 70 300 400 2730 3270 3.7
381040X2 77740 200 310 200 1450 1520 55.6
380641 77741 205 320 205 1372 2850 55.4
382040 257140 200 310 275 1558 4200 75.1
FC257116 672720 100 150 106 430 534 2730 3270 6.8
FC257170 672720K 100 145 70 226 339 3700 4500 4.1
FC257180 100 140 80 338 455 2730 3270 4
FC257170M 672820H 100 140 70 3.7
FC257170/P6 E672820Y 100 140 70 3.7
FC2571104M 672720H 100 140 104 0
FC2571104/P6 E672720 100 140 104 5.2
FC2571104/P5 D672720 100 140 104 5.2
FC182870 90 140 70 220 250 3800 4600 4.4
381050X2/YA 77750K 250 460 270 3018 6400 192
382052X2 77752 260 400 255 1900 4950 117
20FC1570 100 145 70 244 407 3.8
22FC1790 110 170 90 428 692 7.4
23FC1690 115 165 90 398 751 6.5
24FC1787 120 165 87 374 745 5.6
313924 145 225 156 912 1680 22.9
30FC21120 150 210 120 686 1380 12.8
30FC22150A 150 220 150 889 1760 19.5
313891-1 150 230 156 961 1810 23.8
32FC23168A 160 230 168 1040 2200 23.1
32FC23180 160 230 180 1140 2270 25
34FC25168 170 250 168 1170 2230 27.6
34FC25170 170 250 170 1170 2230 27.8
36FC25156A 180 250 156 1050 2200 23.3
313812W 180 260 168 1150 2390 29.7
38FC26168-1 190 260 168 1140 2600 26.5
314199 190 270 200 1460 3080 36.1
313893-1 200 280 200 1450 3090 37.7
40FC28180/200 200 280 200 1280 2620 34.4
313811 200 290 192 1460 3030 42
44FC30150W 220 300 150 1210 2500 30.7


Our Advantages

 

1. World-Class Bearing: We provide our customers with all types of indigenous bearing with world-class quality.

2. OEM or Non-Stand Bearings: Any requirement for Nonstandard bearings is Easily Fulfilled by us due to its vast knowledge and links in the industry.
3. Genuine products With Excellent Quality: The company has always proved the 100% quality products it provides with genuine intent.
4. After Sales Service and Technical Assistance: The company provides after-sales service and technical assistance as per the customer’s requirements and needs.
5. Quick Delivery: The company provides just-in-time delivery with its streamlined supply chain.
 

SAMPLES
1. Samples quantity: 1-10 PCS are available.
2. Free samples: It depends on the Model No., material and quantity. Some of the bearings samples need client to pay samples charge and shipping cost.
3. It’s better to start your order with Trade Assurance to get full protection for your samples order.

CUSTOMIZED
The customized LOGO or drawing is acceptable for us.

MOQ
1. MOQ: 10 PCS standard bearings.
2. MOQ: 1000 PCS customized your brand bearings.

OEM POLICY
1. We can printing your brand (logo, artwork)on the shield or laser engraving your brand on the shield.
2. We can custom your packaging according to your design
3. All copyright own by clients and we promised don’t disclose any info.

FAQ

1.What is the minimum order quantity for this product?

Can be negotiated, we will try our best to meet customer needs.Our company is mainly based on wholesale sales, most customers’orders are more than 1 ton.

2.What is your latest delivery time?
Most orders will be shipped within 3-10 days of payment being received.

3.Does your company have quality assurance?
Yes, for 2 years.

4.What is the competitiveness of your company’s products compared to other companies?
High precision, high speed, low noise.

5.What are the advantages of your company’s services compared to other companies?
Answer questions online 24 hours a day, reply in a timely manner, and provide various documents required by customers for customs clearance or sales. 100% after-sales service.

6.Which payment method does your company support?
Do our best to meet customer needs, negotiable.

7.How to contact us quickly?
Please send us an inquiry or message and leave your other contact information, such as phone number, account or account, we will contact you as soon as possible and provide the detailed information you need.
 

Please feel free to contact us, if you have any other question

US $0.35
/ Piece
|
1 Piece

(Min. Order)

###

Rolling Body: Roller Bearings
The Number of Rows: Double
Outer Dimension: Large (200-430mm)
Material: Bearing Steel
Spherical: Aligning Bearings
Load Direction: Radial Bearing

###

Customization:

###

NEW MODEL OLD MODEL (mm) (mm) (mm) (kN) (kN) (r/min) (r/min) (kg)
FC2028104 672720 100 140 104 350 470 3600 4400 5.2
FC202870 672820 100 140 70 300 400 2730 3270 3.7
381040X2 77740 200 310 200 1450 1520 55.6
380641 77741 205 320 205 1372 2850 55.4
382040 2077140 200 310 275 1558 4200 75.1
FC2030106 672720 100 150 106 430 534 2730 3270 6.8
FC202970 672720K 100 145 70 226 339 3700 4500 4.1
FC202880 100 140 80 338 455 2730 3270 4
FC202870M 672820H 100 140 70 3.7
FC202870/P6 E672820Y 100 140 70 3.7
FC2028104M 672720H 100 140 104 0
FC2028104/P6 E672720 100 140 104 5.2
FC2028104/P5 D672720 100 140 104 5.2
FC182870 90 140 70 220 250 3800 4600 4.4
381050X2/YA 77750K 250 460 270 3018 6400 192
382052X2 77752 260 400 255 1900 4950 117
20FC1570 100 145 70 244 407 3.8
22FC1790 110 170 90 428 692 7.4
23FC1690 115 165 90 398 751 6.5
24FC1787 120 165 87 374 745 5.6
313924 145 225 156 912 1680 22.9
30FC21120 150 210 120 686 1380 12.8
30FC22150A 150 220 150 889 1760 19.5
313891-1 150 230 156 961 1810 23.8
32FC23168A 160 230 168 1040 2200 23.1
32FC23180 160 230 180 1140 2270 25
34FC25168 170 250 168 1170 2230 27.6
34FC25170 170 250 170 1170 2230 27.8
36FC25156A 180 250 156 1050 2200 23.3
313812W 180 260 168 1150 2390 29.7
38FC26168-1 190 260 168 1140 2600 26.5
314199 190 270 200 1460 3080 36.1
313893-1 200 280 200 1450 3090 37.7
40FC28180/200 200 280 200 1280 2620 34.4
313811 200 290 192 1460 3030 42
44FC30150W 220 300 150 1210 2500 30.7
US $0.35
/ Piece
|
1 Piece

(Min. Order)

###

Rolling Body: Roller Bearings
The Number of Rows: Double
Outer Dimension: Large (200-430mm)
Material: Bearing Steel
Spherical: Aligning Bearings
Load Direction: Radial Bearing

###

Customization:

###

NEW MODEL OLD MODEL (mm) (mm) (mm) (kN) (kN) (r/min) (r/min) (kg)
FC2028104 672720 100 140 104 350 470 3600 4400 5.2
FC202870 672820 100 140 70 300 400 2730 3270 3.7
381040X2 77740 200 310 200 1450 1520 55.6
380641 77741 205 320 205 1372 2850 55.4
382040 2077140 200 310 275 1558 4200 75.1
FC2030106 672720 100 150 106 430 534 2730 3270 6.8
FC202970 672720K 100 145 70 226 339 3700 4500 4.1
FC202880 100 140 80 338 455 2730 3270 4
FC202870M 672820H 100 140 70 3.7
FC202870/P6 E672820Y 100 140 70 3.7
FC2028104M 672720H 100 140 104 0
FC2028104/P6 E672720 100 140 104 5.2
FC2028104/P5 D672720 100 140 104 5.2
FC182870 90 140 70 220 250 3800 4600 4.4
381050X2/YA 77750K 250 460 270 3018 6400 192
382052X2 77752 260 400 255 1900 4950 117
20FC1570 100 145 70 244 407 3.8
22FC1790 110 170 90 428 692 7.4
23FC1690 115 165 90 398 751 6.5
24FC1787 120 165 87 374 745 5.6
313924 145 225 156 912 1680 22.9
30FC21120 150 210 120 686 1380 12.8
30FC22150A 150 220 150 889 1760 19.5
313891-1 150 230 156 961 1810 23.8
32FC23168A 160 230 168 1040 2200 23.1
32FC23180 160 230 180 1140 2270 25
34FC25168 170 250 168 1170 2230 27.6
34FC25170 170 250 170 1170 2230 27.8
36FC25156A 180 250 156 1050 2200 23.3
313812W 180 260 168 1150 2390 29.7
38FC26168-1 190 260 168 1140 2600 26.5
314199 190 270 200 1460 3080 36.1
313893-1 200 280 200 1450 3090 37.7
40FC28180/200 200 280 200 1280 2620 34.4
313811 200 290 192 1460 3030 42
44FC30150W 220 300 150 1210 2500 30.7

What is a bushing?

If you’ve ever wondered what an enclosure is, you’ve come to the right place. This article will provide an overview of different types of housings, including air-insulated, oil-impregnated porous bronze, and epoxy-impregnated capacitor cells. After reading this article, you will be better equipped to make an informed choice about the type of bushings your truck needs.
bushing

air insulating sleeve

When choosing bushings for your electrical application, you need to look for bushings with long-lasting insulation. In addition to being durable, bushings must have the correct design shape and material to remain effective over time. Porcelain was used in early casing designs and was chosen for indoor and outdoor applications due to its low cost and low linear expansion. Porcelain also requires a lot of metal fittings and flexible seals to remain effective.
Solid bushings have a center conductor and a porcelain or epoxy insulator. They are used in low voltage electrical applications such as small distribution transformers and circuit switches. However, their low radial capacity limits their use in high-voltage applications, so they are limited to circuit switches and other low-voltage equipment. The electrical service duty of the bushing determines the type of insulation required.
Another type of air-insulated bushing is made of conductive metal, which reduces heat transfer. This design enables it to operate over a range of temperature conditions. Additionally, air-insulated bushings are generally more effective than gas-insulated bushings in a range of applications. The main difference between air-insulated bushings and gas-insulated bushings is the insulating material. While gas-insulated bushings are usually made of high-quality materials, high-quality materials are still preferred in some applications.
Elliott # B series insulators are 25 kV class and pressure molded cycloaliphatic epoxy resins. They feature knurled brass inserts and 16 UNC threads. If you choose this type, make sure it matches the exact diameter of your Elliott Class 25 kv air insulated bushing. These insulators also provide overall shielding and require openings to fit inch diameters.
There are two types of air-insulated bushings: air-to-air and oil-to-oil. Oil is a stronger dielectric than air, and air-to-oil bushings are used to connect atmospheric air to oil-filled equipment. They are available for solid and capacitive hierarchies. So, which one is right for you? Just choose the right insulation to make your equipment as efficient as possible.

Oil Impregnated Porous Bronze Bushings

Oil-impregnated porous bronze (PbB) bushings are one of the best options for lubricating metal bearings. Lubrication is maintained even in high temperature applications as oil penetrates into the pores of the bronze. They are also self-lubricating and maintenance-free. Manufactured by CZPT, the Oil Impregnated Bronze Bushing is a powder metal process that is uniformly lubricated by a uniform oil film. This type of bearing is one of the most efficient in terms of precision performance.
One major difference between oil-impregnated bronze bushings and standard cast bronze bushings is their manufacturing process. Oil-impregnated bronze bushings are pressed from powder and then sintered to form a hardened part. This method is very effective for high-volume manufacturing, but it also has its limitations. Oil-impregnated bronze bushings are cheaper and more efficient, but they have mechanical limitations.
The production of oil-impregnated porous bronze bushings is simple. Powder bronze bushings are pressed and vacuum sealed by forcing oil into the pores. The low stress properties of oil-impregnated bronze bushings make them easier to manufacture in high volume. It also does not require additional lubrication. However, oil-impregnated porous bronze bushings have relatively low mechanical strength and are not recommended for applications where high temperatures are present.
Oil Impregnated Porous Bronze is also known as BPPB. Unlike traditional oil-impregnated bronze bushings, BPPB bushings have a high oil retention capacity. This means they will last a long time and you will save a lot of maintenance costs. But be careful. Porous bronze bushings can only last so long without oil.
Oil-impregnated bronze bushings are a good choice if dimensional consistency is important. BP bronze bushings have the same C dimension as solid metal bushings. While the CZPT is a ghost of the past, there are now many powder metal manufacturers producing BP housings. Their C of F values ​​range from 0.04 to 0.08.
bushing

Epoxy Impregnated Capacitor Batteries

Epoxy impregnated condenser core sleeves are conductive paper used in air conditioning systems. The paper core is coated with epoxy resin and the insulating shell is silicone rubber. RIP bushings have excellent electrical properties, are fire resistant and are relatively small. However, the process of making these products is not easy and mistakes are common. These defects manifest as cracks or other structural damage in the capacitor cells.
RIF (Resin Impregnated) bushings feature a finely graded design. The capacitor core is made of glass fiber impregnated with epoxy resin. The outer insulation is made of silicone rubber sheds glued directly to the capacitor core. These bushings are designed for small clearances, so no filler material is required.
In order to determine whether the RIP sleeve is void-free and dry, the insulating paper must be impregnated with epoxy resin. The process is similar to making conventional condenser core sleeves, but with greater flexibility and robustness. The main difference between RIP bushings and conventional insulators is the epoxy content.
Capacitor grading bushings are also available. These bushings increase the electric field at the ends of the capacitor core plates. The higher the temperature, the higher the electric field. These properties make resin-impregnated capacitor mandrel sleeves reliable. However, capacitor grade bushings have higher electric fields than nonlinear bushings.
The capacitor core of the present invention is made by winding paper around the winding tube 3 . The paper may contain an intermediate conductive foil. The winding tube is then covered with electrical insulator. Afterwards, the capacitor core 1 will be RIP and electrically connected to the electrical conductor 6 .
To further characterize the performance of RIPs, thermal shock current (TSC) was used to determine their trap parameters. Unmodified epoxy resin and nano-SiO2 modified RIP were tested. The RIP samples were polarized under a 2 kV/mm electric field at 333 K for 10 min and then subcooled to 193 K with liquid nitrogen. TSC curves were obtained at 3 K/min and 383 K.
bushing

plastic bushing

Plastic bushings are essential for many industries. They protect wires and other mechanical parts. They come in many shapes and sizes and are often used as adapters when connecting two pipes or tubes of different diameters. They are available in a variety of materials including rubber, steel and various other plastics. Most bushings are cylindrical or conical in shape and made of shock absorbing material. They slide on rods or pipes to provide low friction motion.
Plastic bushings can be made from a variety of materials, including phenolic, polyethylene, and nylon. While phenolic resins have long been the preferred choice for heavy-duty applications, nylon is the most commonly used lining plastic. Nylon has several advantages, including low friction, no lubrication, quiet operation, and low wear. In addition to these advantages, it is easy to form and cast. In order to obtain better mechanical properties, fillers such as molybdenum disulfide can be added to the material. Plus, filled nylon parts resist deformation at temperatures up to 300 degrees Fahrenheit.
Another benefit of plastic bushings is their low cost. Much cheaper than metal, plastic is a versatile material that can be used in a variety of industries. A quick installation and replacement process makes them the first choice for users who need to install new components quickly. Plus, plastic bushings don’t wear out as quickly as metal, which is another benefit. And because the wear rate of plastic bushings is predictable, manufacturers can easily replace them before they start to fail. And they last longer, so you save time and money.
Plastic bushings are widely used in machinery with sliding and rotating shaft components. They have excellent load-carrying capacity and anti-friction properties. They are essential to many industries, including construction, mining, agriculture, hydropower, transportation and food processing. They are easy to install and come in a variety of sizes and shapes. They are very durable and very reliable. They reduce machine wear and are less expensive than bearings.

China Four row cylindrical rolling mill bearing are divided into two types of steel rolling mill and aluminum rolling mill. Their rotating speed are 400-600rpm(steel)     bearing bronzeChina Four row cylindrical rolling mill bearing are divided into two types of steel rolling mill and aluminum rolling mill. Their rotating speed are 400-600rpm(steel)     bearing bronze
editor by czh 2022-11-27

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