China Four Row Cylindrical Roller Bearing for Rolling Mills FC3246168 Spherical Roller Bearing/Angular Contact Ball Bearing/Thrust Roller Bearing/Steel Plant Bearing bearing driver kit

Product Description

Four row cylindrical roller bearings can carry much heavier radial load and shock load. They have higher precision and can be applied in the equipment which runs with high rotational speed. Grinding the surface of raceway and roller at same time after the inner ring is pressed on roller neck, it favors the improvement of rolling precision and the free adjustment of mounting clearance of bearings. These bearings are mostly applied to the working roller and backup roller of rolling mills and some other cases.
FC: double outer rings, single inner ring, and inner without flange.
FCD: double outer rings, double inner rings, and inner ring without flange.
FCDP: double outer rings, only have center flange, but with loose rib, double inner ring, inner without flange.

Bearing No.  
new FC3246168
used –  
Boundary dimension mm  
d 160
D 230
B 168
Fw 177
r1,2 min 2.1
r3,4 min 2.1
Rated load kn  
Cr 1050
Cor 2200
Reference code  
   
   
   
   
   
kg 22.8

Package
For the medium and large size bearings,we usually pack it by wrapped belt and wooden case.This will avoid any damage to the bearing surface and make the bearing better performance when it arrives at the destination.Also,we can pack it by customer’s requirement.

Bearing No Dimension(mm) Basic Loading(kN) Mass(kg)
dxDxB Dyn.(Cr) Stat.(Cor)
FC2640125 130x200x125 530 1200 14.6
FC357120 150x225x120 645 1450 16.7
FC3246130 160x230x130 665 1705 16.9
FC3248124 160x240x124 685 1530 20.3
FC3248168 160x240x168 685 1530 26.4
FCD3446160 170x230x160 1100 2360 20
FC3452120 170x260x120 660 1790 24.6
FC3652124 180x260x124 735 1730 21.7
FC3652168 180x260x168 1070 2790 30.2
FC3652168/YA3 180x260x168 1070 2790 30.1
FC3854168 190x270x168 950 2430 30.2
FC3854168/YA3 190x270x168 950 2430 29.9
FC3854170/YA3 190x270x200 950 2430 30.2
FC4 0571 88 200x290x192 985 2580 35.7
FC4462192/YA3 220x310x192 1300 1910 45.8
FC4462225 220x320x210 1450 4050 53.9
FC4666206/YA3 230x330x206 1350 3800 56.5
FC4866220/YA3 240x330x220 1620 4850 56.5
FC4866220 240x330x220 1620 4850 56.7
FC4872220 240x360x200 1700 4410 78
FC4872220A/C4YA3 240x360x200 1700 4410 78
FC5 0571 20/YA3 250x360x220 1500 4250 76.9
FC5274200 260x370x200 1570 4250 73
FC5274220/YA3 260x370x220 1760 4900 79.2
FC5274220 260x370x220 1760 4900 80
FC5476230/YA3 270x380x230 1720 4800 80.2
FC5478230 270x390x236 2100 5950 97.8
FC5678220 280x390x220 1790 5150 86.5
FCDP5678275 280x390x275 2200 6250 102
FC6495710/YA3 320x450x240 2460 6720 119
FCD72157170 360x510x370 3850 11400 220
FCDP7415710 370x520x380 3900 12000 296
FCDP88124450 440x620x450 5200 15800 452
FCDP88124450/YA6 440x620x450 5200 15800 452
FCD96130450 480x650x450 4750 15400 419

Inventory

 

US $125-150
/ Piece
|
1 Piece

(Min. Order)

###

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

###

Samples:
US$ 125/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Bearing No.  
new FC3246168
used   
Boundary dimension mm  
d 160
D 230
B 168
Fw 177
r1,2 min 2.1
r3,4 min 2.1
Rated load kn  
Cr 1050
Cor 2200
Reference code  
   
   
   
   
   
kg 22.8

###

Bearing No Dimension(mm) Basic Loading(kN) Mass(kg)
dxDxB Dyn.(Cr) Stat.(Cor)
FC2640125 130x200x125 530 1200 14.6
FC3045120 150x225x120 645 1450 16.7
FC3246130 160x230x130 665 1705 16.9
FC3248124 160x240x124 685 1530 20.3
FC3248168 160x240x168 685 1530 26.4
FCD3446160 170x230x160 1100 2360 20
FC3452120 170x260x120 660 1790 24.6
FC3652124 180x260x124 735 1730 21.7
FC3652168 180x260x168 1070 2790 30.2
FC3652168/YA3 180x260x168 1070 2790 30.1
FC3854168 190x270x168 950 2430 30.2
FC3854168/YA3 190x270x168 950 2430 29.9
FC3854170/YA3 190x270x200 950 2430 30.2
FC4056188 200x290x192 985 2580 35.7
FC4462192/YA3 220x310x192 1300 1910 45.8
FC4462225 220x320x210 1450 4050 53.9
FC4666206/YA3 230x330x206 1350 3800 56.5
FC4866220/YA3 240x330x220 1620 4850 56.5
FC4866220 240x330x220 1620 4850 56.7
FC4872220 240x360x200 1700 4410 78
FC4872220A/C4YA3 240x360x200 1700 4410 78
FC5072220/YA3 250x360x220 1500 4250 76.9
FC5274200 260x370x200 1570 4250 73
FC5274220/YA3 260x370x220 1760 4900 79.2
FC5274220 260x370x220 1760 4900 80
FC5476230/YA3 270x380x230 1720 4800 80.2
FC5478230 270x390x236 2100 5950 97.8
FC5678220 280x390x220 1790 5150 86.5
FCDP5678275 280x390x275 2200 6250 102
FC6490240/YA3 320x450x240 2460 6720 119
FCD72102370 360x510x370 3850 11400 220
FCDP74104380 370x520x380 3900 12000 296
FCDP88124450 440x620x450 5200 15800 452
FCDP88124450/YA6 440x620x450 5200 15800 452
FCD96130450 480x650x450 4750 15400 419
US $125-150
/ Piece
|
1 Piece

(Min. Order)

###

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

###

Samples:
US$ 125/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Bearing No.  
new FC3246168
used   
Boundary dimension mm  
d 160
D 230
B 168
Fw 177
r1,2 min 2.1
r3,4 min 2.1
Rated load kn  
Cr 1050
Cor 2200
Reference code  
   
   
   
   
   
kg 22.8

###

Bearing No Dimension(mm) Basic Loading(kN) Mass(kg)
dxDxB Dyn.(Cr) Stat.(Cor)
FC2640125 130x200x125 530 1200 14.6
FC3045120 150x225x120 645 1450 16.7
FC3246130 160x230x130 665 1705 16.9
FC3248124 160x240x124 685 1530 20.3
FC3248168 160x240x168 685 1530 26.4
FCD3446160 170x230x160 1100 2360 20
FC3452120 170x260x120 660 1790 24.6
FC3652124 180x260x124 735 1730 21.7
FC3652168 180x260x168 1070 2790 30.2
FC3652168/YA3 180x260x168 1070 2790 30.1
FC3854168 190x270x168 950 2430 30.2
FC3854168/YA3 190x270x168 950 2430 29.9
FC3854170/YA3 190x270x200 950 2430 30.2
FC4056188 200x290x192 985 2580 35.7
FC4462192/YA3 220x310x192 1300 1910 45.8
FC4462225 220x320x210 1450 4050 53.9
FC4666206/YA3 230x330x206 1350 3800 56.5
FC4866220/YA3 240x330x220 1620 4850 56.5
FC4866220 240x330x220 1620 4850 56.7
FC4872220 240x360x200 1700 4410 78
FC4872220A/C4YA3 240x360x200 1700 4410 78
FC5072220/YA3 250x360x220 1500 4250 76.9
FC5274200 260x370x200 1570 4250 73
FC5274220/YA3 260x370x220 1760 4900 79.2
FC5274220 260x370x220 1760 4900 80
FC5476230/YA3 270x380x230 1720 4800 80.2
FC5478230 270x390x236 2100 5950 97.8
FC5678220 280x390x220 1790 5150 86.5
FCDP5678275 280x390x275 2200 6250 102
FC6490240/YA3 320x450x240 2460 6720 119
FCD72102370 360x510x370 3850 11400 220
FCDP74104380 370x520x380 3900 12000 296
FCDP88124450 440x620x450 5200 15800 452
FCDP88124450/YA6 440x620x450 5200 15800 452
FCD96130450 480x650x450 4750 15400 419

The benefits of rubber bushings and how they work

If you have experienced increased vibration while driving, you know the importance of replacing the control arm bushings. The resulting metal-to-metal contact can cause annoying driving problems and be a threat to your safety. Over time, the control arm bushings begin to wear out, a process that can be exacerbated by harsh driving conditions and environmental factors. Additionally, larger tires that are more susceptible to bushing wear are also prone to increased vibration transfer, especially for vehicles with shorter sidewalls. Additionally, these plus-sized tires, which are designed to fit on larger rims, have a higher risk of transmitting vibrations through the bushings.
bushing

rubber

Rubber bushings are rubber tubes that are glued into the inner or outer curve of a cylindrical metal part. The rubber is made of polyurethane and is usually prestressed to avoid breaking during installation. In some cases, the material is also elastic, so it can slide. These properties make rubber bushings an integral part of a vehicle’s suspension system. Here are some benefits of rubber bushings and how they work.
Rubber bushings are used to isolate and reduce vibration caused by the movement of the two pieces of equipment. They are usually placed between two pieces of machinery, such as gears or balls. By preventing vibrations, rubber bushings improve machine function and service life. In addition to improving the overall performance of the machine, the rubber bushing reduces noise and protects the operator from injury. The rubber on the shock absorber also acts as a vibration isolator. It suppresses the energy produced when the two parts of the machine interact. They allow a small amount of movement but minimize vibration.
Both rubber and polyurethane bushings have their advantages and disadvantages. The former is the cheapest, but not as durable as polyurethane. Compared to polyurethane, rubber bushings are a better choice for daily commutes, especially long commutes. Polyurethane bushings provide better steering control and road feel than rubber, but can be more expensive than the former. So how do you choose between polyurethane and rubber bushings?

Polyurethane

Unlike rubber, polyurethane bushings resist high stress environments and normal cycling. This makes them an excellent choice for performance builds. However, there are some disadvantages to using polyurethane bushings. Read on to learn about the advantages and disadvantages of polyurethane bushings in suspension applications. Also, see if a polyurethane bushing is suitable for your vehicle.
Choosing the right bushing for your needs depends entirely on your budget and application. Softer bushings have the lowest performance but may have the lowest NVH. Polyurethane bushings, on the other hand, may be more articulated, but less articulated. Depending on your needs, you can choose a combination of features and tradeoffs. While these are good options for everyday use, for racing and hardcore handling applications, a softer option may be a better choice.
The initial hardness of the polyurethane bushing is higher than that of the rubber bushing. The difference between the two materials is determined by durometer testing. Polyurethane has a higher hardness than rubber because it does not react to load in the same way. The harder the rubber, the less elastic, and the higher the tear. This makes it an excellent choice for bushings in a variety of applications.

hard

Solid bushings replace the standard bushings on the subframe, eliminating axle clutter. New bushings raise the subframe by 0.59″ (15mm), correcting the roll center. Plus, they don’t create cabin noise. So you can install these bushings even when your vehicle is lowered. But you should consider some facts when installing solid casing. Read on to learn more about these casings.
The stiffest bushing material currently available is solid aluminum. This material hardly absorbs vibrations, but it is not recommended for everyday use. Its stiffness makes it ideal for rail vehicles. The aluminum housing is prone to wear and tear and may not be suitable for street use. However, the solid aluminum bushings provide the stiffest feel and chassis feedback. However, if you want the best performance in everyday driving, you should choose a polyurethane bushing. They have lower friction properties and eliminate binding.
Sturdy subframe bushings will provide more driver feedback. Additionally, it will strengthen the rear body, eliminating any movement caused by the subframe. You can see this structural integration on the M3 and M4 models. The benefits of solid subframe bushings are numerous. They will improve rear-end handling without compromising drivability. So if you plan to install a solid subframe bushing, be sure to choose a solid bushing.
bushing

Capacitor classification

In the circuit, there is a high electric field on both sides of the capacitor grading bushing. This is due to their capacitor cores. The dielectric properties of the primary insulating layer have a great influence on the electric field distribution within the bushing. This article discusses the advantages and disadvantages of capacitor grade bushings. This article discusses the advantages and disadvantages of grading bushings for capacitors in DC power systems.
One disadvantage of capacitor grading bushings is that they are not suitable for higher voltages. Capacitor grading bushings are prone to serious heating problems. This may reduce their long-term reliability. The main disadvantage of capacitor grading bushings is that they increase the radial thermal gradient of the main insulation. This can lead to dielectric breakdown.
Capacitor grading bushing adopts cylindrical structure, which can suppress the influence of temperature on electric field distribution. This reduces the coefficient of inhomogeneity of the electric field in the confinement layer. Capacitor grading bushings have a uniform electric field distribution across their primary insulation. Capacitive graded bushings are also more reliable than nonlinear bushings.
Electric field variation is the most important cause of failure. The electrode extension layer can be patterned to control the electric field to avoid flashover or partial discharge of the primary insulating material. This design can be incorporated into capacitor grading bushings to provide better electric fields in high voltage applications. This type of bushing is suitable for a wide range of applications. This article discusses the advantages and disadvantages of capacitor grade bushings.

Metal

When choosing between plastic and metal sleeves, it is important to choose a product that can handle the required load. Plastic bushings tend to deteriorate and often crack under heavy loads, reducing their mechanical strength and service life. Metal bushings, on the other hand, conduct heat more efficiently, preventing any damage to the mating surfaces. Plastic bushings can also be made with lubricating fillers added to a resin matrix.
Plastic bushings have many advantages over metal bushings, including being cheap and versatile. Plastic bushings are now used in many industries because they are inexpensive and quick to install. These plastic products are also self-lubricating and require less maintenance than metals. They are often used in applications where maintenance costs are high or parts are difficult to access. Also, if they are prone to wear and tear, they are easy to replace.
Metal bushings can be made of PTFE, plastic or bronze and are self-lubricating. Graphite plugs are also available for some metal bushings. Their high load capacity and excellent fatigue resistance make them a popular choice for automotive applications. The bi-metallic sintered bronze layer in these products provides excellent load-carrying capacity and good friction properties. The steel backing also helps reduce processing time and avoids the need for additional pre-lubrication.
bushing

plastic

A plastic bushing is a small ball of material that is screwed onto a nut or locknut on a mechanical assembly. Plastic bushings are very durable and have a low coefficient of friction, making them a better choice for durable parts. Since they do not require lubrication, they last longer and cost less than their metal counterparts. Unlike metal bushings, plastic bushings also don’t scratch or attract dirt.
One type of acetal sleeve is called SF-2. It is made of metal alloy, cold rolled steel and bronze spherical powder. A small amount of surface plastic penetrated into the voids of the copper spherical powder. Plastic bushings are available in a variety of colors, depending on the intended application. SF-2 is available in black or grey RAL 7040. Its d1 diameter is sufficient for most applications.
Another acetal sleeve is UHMW-PE. This material is used in the production of bearings and in low load applications. This material can withstand pressures from 500 to 800 PSI and is widely available. It is also self-lubricating and readily available. Due to its high resistance to temperature and chemical agents, it is an excellent choice for low-load industrial applications. If you’re in the market for an alternative to nylon, consider acetal.
Positional tolerances in many automotive components can cause misalignment. Misaligned plastic bushings can negatively impact the driver’s experience. For example, the cross tubes used to mount the seat to the frame are made by a stamping process. The result is a misalignment that can increase torque. Also, the plastic bushing is pushed to one side of the shaft. The increased pressure results in higher friction, which ultimately results in a poor driving experience.
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China Four Row Cylindrical Roller Bearing for Rolling Mills FC3246168 Spherical Roller Bearing/Angular Contact Ball Bearing/Thrust Roller Bearing/Steel Plant Bearing     bearing driver kitChina Four Row Cylindrical Roller Bearing for Rolling Mills FC3246168 Spherical Roller Bearing/Angular Contact Ball Bearing/Thrust Roller Bearing/Steel Plant Bearing     bearing driver kit
editor by czh 2022-11-27