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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) double row ball bearing

Merchandise Description

E-ASIA cylindrical roller bearings ,tapered roller bearings, basic bearings -dependability, generality, choosability
Rigorous functioning circumstances demand from customers reputable solutions, HYJG bearings can aid you to improve usability of equipments, reduce down time and conserve costs. Our products will be your excellent merchandise.
Reliability: specialist craft, outstanding production equipment and unremitting up to date engineering, ensure the high quality and reliability of merchandise.
Generality: E-ASIA bearings can make tools doing work better when the two axial and radial masses are essential. Our characterised layout can make rollers and raceways bear nicely-dispersed loads.
Choosability: From self-lubricating to steel-on-metal bearings, from open up to shut bearings.
Servicing-free of charge spherical basic bearings are developed for types of obligation where:

  1. hundreds are hefty and are of constant direction, or
  2. friction need to be low and also continual, or
  3. relubrication is impossible or undesirable.
  4. This tends to make bearings a lot more delicate to alternating or “hammering” hundreds so that metal-on-steel bearings should be used under such problems.

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

  1. automobile cellular producing
  2. weighty truck
  3. concrete
  4. electromechanics
  5. railway
  6. petroleum
  7. gear drive
  8. metallurgy
  9. coal electricity

4-row cylindrical roller bearings
4-row cylindrical roller bearings are accessible in several patterns:
·with a cylindrical or tapered bore
·open or sealed
4-row cylindrical roller bearings are utilised almost solely for the roll necks of rolling mill stands, calenders and roller presses.
Since they are typically mounted with an interference match on the roll neck, four-row cylindrical roller bearings are effectively suited for rolling
mill programs the place the rolling velocity is substantial.
Since 4-row cylindrical roller bearings can accommodate only radial hundreds, they are mounted together with deep groove or angular
contact ball bearings, or with tapered roller bearings (possibly radial or thrust style) which accommodate the axial masses.

NEW Product Old Design (mm) (mm) (mm) (kN) (kN) (r/min) (r/min) (kg)
FC2571104 672720 a hundred 140 104 350 470 3600 4400 five.two
FC257170 672820 one hundred a hundred and forty 70 three hundred 400 2730 3270 three.7
381040X2 77740 200 310 200 1450 1520 fifty five.six
380641 77741 205 320 205 1372 2850 55.four
382040 257140 200 310 275 1558 4200 75.1
FC257116 672720 one hundred a hundred and fifty 106 430 534 2730 3270 6.eight
FC257170 672720K one hundred a hundred forty five 70 226 339 3700 4500 four.one
FC257180 one hundred one hundred forty 80 338 455 2730 3270 four
FC257170M 672820H one hundred one hundred forty 70 3.seven
FC257170/P6 E672820Y one hundred one hundred forty 70 3.seven
FC2571104M 672720H one hundred 140 104
FC2571104/P6 E672720 100 140 104 5.2
FC2571104/P5 D672720 a hundred 140 104 five.2
FC182870 90 one hundred forty 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 one hundred a hundred forty five 70 244 407 three.8
22FC1790 110 one hundred seventy ninety 428 692 7.four
23FC1690 one hundred fifteen one hundred sixty five ninety 398 751 6.5
24FC1787 one hundred twenty a hundred sixty five 87 374 745 5.six
313924 145 225 156 912 1680 22.nine
30FC21120 150 210 120 686 1380 twelve.8
30FC22150A a hundred and fifty 220 one hundred fifty 889 1760 19.5
313891-1 one hundred fifty 230 156 961 1810 23.eight
32FC23168A a hundred and sixty 230 168 1040 2200 23.1
32FC23180 one hundred sixty 230 180 1140 2270 twenty five
34FC25168 a hundred and seventy 250 168 1170 2230 27.six
34FC25170 a hundred and seventy 250 170 1170 2230 27.eight
36FC25156A a hundred and eighty 250 156 1050 2200 23.three
313812W one hundred eighty 260 168 1150 2390 29.seven
38FC26168-one 190 260 168 1140 2600 26.five
314199 a hundred ninety 270 two hundred 1460 3080 36.one
313893-one 200 280 200 1450 3090 37.seven
40FC28180/200 200 280 200 1280 2620 34.4
313811 two hundred 290 192 1460 3030 forty two
44FC30150W 220 300 a hundred and fifty 1210 2500 30.seven


Our Rewards

 

one. Entire world-Course Bearing: We offer our consumers with all varieties of indigenous bearing with entire world-course good quality.

two. OEM or Non-Stand Bearings: Any need for Nonstandard bearings is Very easily Fulfilled by us because of to its large expertise and links in the business.
3. Legitimate items With Superb Good quality: The business has constantly proved the one hundred% good quality merchandise it provides with genuine intent.
four. After Sales Provider and Complex Support: The organization provides right after-income support and specialized support as for each the customer’s demands and wants.
5. Swift Shipping: The business offers just-in-time supply with its streamlined source chain.
 

SAMPLES
one. Samples amount: 1-ten PCS are obtainable.
2. Cost-free samples: It relies upon on the Design No., material and amount. Some of the bearings samples need to have client to pay samples demand and transport expense.
three. It is greater to begin your purchase with Trade Assurance to get total protection for your samples get.

Personalized
The custom-made Symbol or drawing is suitable for us.

MOQ
one. MOQ: ten PCS common bearings.
two. MOQ: 1000 PCS customized your model bearings.

OEM Policy
one. We can printing your manufacturer (emblem, artwork)on the shield or laser engraving your manufacturer on the protect.
2. We can custom your packaging according to your design
three. All copyright own by clients and we promised don’t disclose any information.

FAQ

1.What is the minimal buy amount for this item?

Can be negotiated, we will try our best to meet client demands.Our organization is primarily primarily based on wholesale income, most customers’orders are much more than 1 ton.

2.What is your newest shipping and delivery time?
Most orders will be transported within 3-10 days of payment currently being gained.

3.Does your business have good quality assurance?
Sure, for 2 years.

four.What is the competitiveness of your firm’s items compared to other businesses?
Substantial precision, substantial speed, low sound.

five.What are the advantages of your company’s services in comparison to other businesses?
Response questions online 24 hours a working day, reply in a well timed method, and supply numerous paperwork necessary by consumers for customs clearance or revenue. a hundred% right after-revenue provider.

6.Which payment technique does your firm support?
Do our best to meet buyer demands, negotiable.

7.How to contact us quickly?
Make sure you ship us an inquiry or message and depart your other contact info, this sort of as phone number, account or account, we will make contact with you as soon as attainable and give the comprehensive details you need.
 

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

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

Choosing the Right Ball Bearing for Your Application

When choosing a Ball Bearing, there are several things to consider. These factors include: the size, lubricant type, presence of corrosive agents, stray electrical currents, and more. It can be challenging to choose the right type, size, and type of ball bearing for your application. You should also carefully calculate the loads to determine the right size. Here are some tips for choosing the right Ball Bearing for your application.

Single-row

The single-row ball bearing is one of the most popular types of bearings. The inner and outer ring are designed with raceway grooves that are shaped slightly larger than the balls. This type of bearing has a low torque and can handle high-speed applications with minimal power loss. The radial dimensions of single-row ball bearings also vary, so it is possible to find one that fits your specific application. Besides the above-mentioned advantages, single-row ball bearings are also available with varying grease levels and are widely applicable to applications where the space is limited.
Single-row ball bearings are also called angular-contact ball bearings. Because of their single-row design, they are not separable and can accommodate a high-speed, heavy-duty application. Single-row angular-contact ball bearings can only handle axial load in one direction, and they must be installed in pairs for pure radial loads. Single-row ball bearings are a popular type of rolling bearings and can be used for a wide range of applications.
bearing

Self-aligning

The self-aligning ball bearing was invented by Sven Wingquist, a plant engineer for a textile company in Sweden. While he was responsible for making production as efficient as possible, he soon realized that the machinery he had in place wasn’t working as efficiently as it could. Although ball bearings are great for reducing friction, they were not flexible enough to compensate for misalignments in the machine.
Self-aligning ball bearings have two rows of balls and a common sphered raceway. The inner ring is curved and combines the two rows of balls into one cage. These bearings can tolerate shaft misalignment and compensate for static angular defects. They can be used in simple woodworking machinery, ventilators, and conveying equipment. They are often the preferred choice for applications where shaft alignment is an issue.

Ceramic

A Ceramic ball bearing is a type of high-performance bearing that is available in both full-ceramic and hybrid forms. The main differences between ceramic and steel ball bearings are their construction, lubrication, and mobility. High-quality ceramic ball bearings are durable, and they are ideal for corrosive and high-temperature applications. The material used to create these bearings helps prevent electrolytic corrosion. They are also ideal for reducing the friction and lubrication requirements.
Ceramic balls are harder and less brittle than steel balls, which gives them a higher degree of rigidity. Ceramics also have a higher hardness, with a hardness of Rc75-80 compared to Rc58-64 for steel balls. Their high compressive strength is approximately 5 to 7 times greater than steel. In addition, they have a very low coefficient of friction, which allows them to spin at higher speeds and with less friction. This increases their lifespan and durability, and decreases the energy needed to turn cranks.

Steel

Unlike traditional bearings, steel balls have a relatively uniform hardness. Carbon steel, for instance, is 2.1% carbon by weight. According to the American Iron and Steel Institute, copper content must be no more than 0.40% and manganese content should not be more than 1.65 g/cm3. After carbonizing, steel balls undergo a process called sizing, which improves their roundness geometry and hardness.
The main differences between steel ball bearings and ceramic ball bearings can be traced to their different materials. Ceramic balls are made from zirconium dioxide or silicon nitride. Silicon nitride is harder than steel and resists shocks. The result is increased speed and longer service life. Polyoxymethylene acetal (PMMA) bearing balls are known for their stiffness, strength, and tolerance, but are not as common as steel ball bearings.

Plastic

The most popular types of plastic ball bearings are made of polypropylene or PTFE. These bearings are used in applications requiring higher chemical resistance. Polypropylene is a structural polymer that offers excellent physical and chemical properties, including excellent resistance to organic solvents and degreasing agents. Its lightweight, low moisture absorption rate, and good heat resistance make it an excellent choice for high-temperature applications. However, plastic bearings are not without their drawbacks, especially when operating at very high temperatures or under heavy loads.
Compared to metal bearings, plastic ball-bearings do not require lubrication. They also are highly corrosion-resistant, making them an excellent choice for wash-down applications. They are also post-, autoclave-, and gamma sterilizable. Many conventional steel ball-bearings cannot handle the high temperatures of food processing or swimming pools. In addition to high temperature applications, plastic ball bearings are resistant to chemicals, including chlorine.
bearing

Glass

Plastic sliding bearings are molded bearings made of engineering plastic. With self-lubricating modification technology, these bearings can be produced by injection molding of plastic beads. They are widely used in various industries such as office equipment, fitness and automotive equipment. In addition to plastic bearings, glass balls are used in a variety of other applications, including medical equipment. Glass ball bearings have excellent corrosion resistance, excellent mechanical properties, and are electrically insulators.
Plastic ball bearings are made of all-plastic races and cages. These bearings are suitable for applications that are exposed to acids and alkalis. Because they are cheaper than glass balls, plastic ball bearings are popular in chemical-exposed environments. Stainless steel balls are also resistant to heat and corrosion. But the main disadvantage of plastic ball bearings is that they are not as strong as glass balls. So, if weight and noise is your main concern, consider using plastic balls instead.

Miniature

The global miniature ball bearing market is expected to reach US$ 2.39 Billion by 2027, at a CAGR of 7.2%. Growth in the region is attributed to technological advancement and government initiatives. Countries such as India and China are attracting FDIs and emphasizing the establishment of a global manufacturing hub. This is boosting the market for miniature ball bearings. The miniscule ball bearings are manufactured in small quantities and are very small.
Some manufacturers produce miniature ball bearings in different materials and designs. Chrome steel is the most popular material for miniature ball bearings because of its high load capacity, low noise properties, and lower cost. But the cost of stainless steel miniature bearings is low, since the amount of steel used is minimal. Stainless steel miniature bearings are the smallest in size. Therefore, you can choose stainless steel mini ball bearings for high-speed applications.

Angular-contact

Angular-contact ball bearings have three components: a cage, inner ring, and balls. Angular-contact ball bearings can support high axial and radial loads. Various design and manufacturing attributes make angular-contact ball bearings suitable for a variety of applications. Some features of this bearing type include a special lubricant, different cage materials, and different coatings.
The size of an angular-contact ball bearing is determined by the design units: outer ring width, axial load, and radial load. Depending on the type of application, an angular-contact ball bearing may be manufactured in double-row, triple-row, or quadruple-row configurations. Angular contact ball bearings can be classified according to their design units, which range from metric to imperial. A higher ABEC number means tighter tolerances. To determine the tolerance equivalent of a particular bearing, consult a standard Angular-contact ball bearing table.
Angular-contact ball bearings feature high and low-shoulder configurations. They have two-dimensional races that accommodate axial and radial loads. They are available in self-retaining units with solid inner and outer rings, and ball and cage assemblies. Cages made of cast and wrought brass are the most popular, but lightweight phenolic cages are also available. The latter is a better choice because it doesn’t absorb oil and has lower rolling friction.
bearing

Materials

When it comes to the construction of a ball bearing, high-quality raw materials are a crucial component. These materials not only affect the overall quality of a ball bearing, but also influence the cost. That’s why you should pay close attention to raw material quality. In addition to that, raw materials should be tested several times before the manufacturing process to ensure quality. Read on for some information about the different types of materials used to make ball bearings.
Steel is the most common material for ball bearings. Most ball bearings contain stainless steel balls, which are remarkably corrosion-resistant. They are also resistant to saltwater and alkalis. However, stainless steel balls are heavier than plastic ones, and they are also magnetic, which may be a drawback in some applications. If you’re looking for a metal-free option, glass balls are the way to go. They’re sturdy, lightweight, and resistant to a wide range of chemicals.

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)     double row ball bearingChina 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)     double row ball bearing
editor by czh 2023-01-14