Merchandise Description

Double row cylindrical roller bearings have 2 constructions: cylindrical inner gap and conical internal hole (bearing put up code plus K). Column cylindrical roller bearing has the advantages of compact framework, substantial rigidity, big bearing ability and tiny deformation right after loading. The conical inner gap can also somewhat alter the clearance, simplify the structure of the positioning unit and aid installation and disassembly.

About us
ZheJiang REET BEARING.CO.,LTD is a professional bearing maker and exporter.
We have a prosperity of technical.All generating procedures are completed in our manufactory. As an ISO9001:2000 qualified company,we will solve numerous difficulties in software and use of our bearings. 
Our firm is an authorized distributor of FAG, INA, CZPT and other world brand name bearings.Our firm has the right to self-export bearings and launches its own brand RTB.
Our bearing experienced been exported to more than 20 nations around the world throughout the world and are warmly welcomed.
We are looking forward to your buy.
FAQ

1.Is the business a creation manufacturing unit or a investing business?
ZheJiang REET BEARING CO.,LTD is a manufacturing business concentrating on bearings and integrating research, manufacturing and sales.

2.How a lot of the MOQ of your company?
Depending on the size of the bearing, the MOQ is variable, if you are fascinated, you can make contact with me for a quote.

3.Does the organization settle for OEM or custom-made bearings?
In addition to normal items, we also offer non-regular and modified normal merchandise for special application. Meanwhile, we supply OEM service.

4.Can the organization offer free of charge samples?
We can supply samples for free of charge. You only need to supply shipping and delivery.

five.What are the firm’s shipping and delivery terms?
We can take EXW,FOB,CFR,CIF,and many others. You can decide on the 1 which is the most convenient expense efficient for you.

 

Designation Size dynamic static Reference speed Limiting speed
d[mm] D[mm] B[mm] C[kN] C0[kN] [r/min] [r/min]
  NNU 4152 M/W33   260   440   180   2 200   3 900   1 300   1 600
  315976 B   280   470   200   2 700   5 100   1 000   1 500
  NNU 4156 M/W33   280   460   180   2 550   4 750   1 200   1 500
  BC2B 320119   300   460   180   2 600   5 500   1 000   1 500
  315583 C   320   480   175   2 460   5 400   950   1 400
  BC2B 322216   320   460   120   1 720   3 600   950   1 400
  NNU 4164 F   320   540   218   3 690   6 200   1 000   1 300
  NNUP 4964 B/HB1W33   320   440   118   1 020   2 360   1 400   1 500
  BC2B 320118   340   520   305   3 300   7 100   900   1 300
  NNU 4168 M/W33   340   580   243   4 020   7 500   950   1 200
  BC2B 319878   350   520   150   2 120   4 500   850   1 300
  BC2B 322217   360   500   125   2 050   4 300   900   1 300
  BC2B 319961   370   520   220   2 750   6 700   850   1 300
  BC2B 320041   380   540   200   2 860   6 800   800   1 200
  BC2B 326131/HB1   380   540   130   2 010   4 300   800   1 200
  NNU 4176 M   380   620   243   4 290   8 500   850   1 100
  314987 B   400   560   205   3 140   7 800   800   1 200
  314987 C   400   560   205   3 140   7 800   800   1 200
  BC2B 326363/HA4   400   600.19   200   3 470   7 200   750   1 100
  316019   410   600   220   3 800   8 650   750   1 100
  314391   420   620   200   3 470   7 800   700   1 100
  314982   420   600   220   3 580   8 800   750   1 100
  BC2B 326137/HB1   420   580   130   2 380   5 300   750   1 100
  316077 A   440   620   225   3 910   9 800   700   1 000
  BC2B 316521   440   640   230   4 570   9 800   850   1 000
  NNU 4888 KM/W33   440   540   100   1 010   2 900   1 000   1 100
  NNU 4888 M/W33   440   540   100   1 170   3 400   1 000   1 100
  BC2B 322969/HB1   457.2   660.4   228.6   3 690   8 150   670   950
  316739 A   460   650   235   4 400   11 200   670   1 000
  BC2-8004/HA1   460   780   280   5 610   10 400   560   850
Designation Size dynamic static Reference speed Limiting speed
d[mm] D[mm] B[mm] C[kN] C0[kN] [r/min] [r/min]
  NNU 4152 M/W33   260   440   180   2 200   3 900   1 300   1 600
  315976 B   280   470   200   2 700   5 100   1 000   1 500
  NNU 4156 M/W33   280   460   180   2 550   4 750   1 200   1 500
  BC2B 320119   300   460   180   2 600   5 500   1 000   1 500
  315583 C   320   480   175   2 460   5 400   950   1 400
  BC2B 322216   320   460   120   1 720   3 600   950   1 400
  NNU 4164 F   320   540   218   3 690   6 200   1 000   1 300
  NNUP 4964 B/HB1W33   320   440   118   1 020   2 360   1 400   1 500
  BC2B 320118   340   520   305   3 300   7 100   900   1 300
  NNU 4168 M/W33   340   580   243   4 020   7 500   950   1 200
  BC2B 319878   350   520   150   2 120   4 500   850   1 300
  BC2B 322217   360   500   125   2 050   4 300   900   1 300
  BC2B 319961   370   520   220   2 750   6 700   850   1 300
  BC2B 320041   380   540   200   2 860   6 800   800   1 200
  BC2B 326131/HB1   380   540   130   2 010   4 300   800   1 200
  NNU 4176 M   380   620   243   4 290   8 500   850   1 100
  314987 B   400   560   205   3 140   7 800   800   1 200
  314987 C   400   560   205   3 140   7 800   800   1 200
  BC2B 326363/HA4   400   600.19   200   3 470   7 200   750   1 100
  316019   410   600   220   3 800   8 650   750   1 100
  314391   420   620   200   3 470   7 800   700   1 100
  314982   420   600   220   3 580   8 800   750   1 100
  BC2B 326137/HB1   420   580   130   2 380   5 300   750   1 100
  316077 A   440   620   225   3 910   9 800   700   1 000
  BC2B 316521   440   640   230   4 570   9 800   850   1 000
  NNU 4888 KM/W33   440   540   100   1 010   2 900   1 000   1 100
  NNU 4888 M/W33   440   540   100   1 170   3 400   1 000   1 100
  BC2B 322969/HB1   457.2   660.4   228.6   3 690   8 150   670   950
  316739 A   460   650   235   4 400   11 200   670   1 000
  BC2-8004/HA1   460   780   280   5 610   10 400   560   850

What is the purpose of the bushing?

If you notice the truck making noises when cornering, the bushings may be worn. You may need to replace the ball joint or stabilizer bar, but a simple inspection will reveal that the noise is coming from the bushing. The noise from a worn bushing on a metal joint can mimic the sound of other problems in the suspension, such as a loose stabilizer bar or a failed ball joint.
bushing

Function

What is the purpose of the bushing? They play an important role in the operation of various mechanical parts. Their main functions include reducing the clearance between the shaft and the bearing and reducing the leakage of the valve. Bushings are used in different ways to ensure smooth operation and longevity. However, some new designers don’t appreciate the functionality of the case. So let’s discuss these features. Some of their most common applications are listed below.
First, the shell does a lot of things. They reduce noise, control vibration, and provide amazing protection for all kinds of industrial equipment. Large industrial equipment faces more wear, vibration and noise, which can render it completely inoperable. Bushings help prevent this by reducing noise and vibration. Bushing sets also extend equipment life and improve its performance. Therefore, you should not underestimate the importance of the casing in your device.
Another common function of bushings is to support components during assembly. In other words, the bushing reduces the risk of machine wear. In addition to this, they are superior to bearings, which are notoriously expensive to maintain. However, they are still useful, and their versatility cannot be overemphasized. If you’re considering installing one, you’ll be glad you did! These products have become a necessity in the modern industrial world. If you’re wondering how to choose one, here are some of the most common bushing uses.
Electrical bushings are an important part of many electrical equipment. They carry high voltage currents through the enclosure and provide an insulating barrier between live conductors and metal bodies at ground potential. They are made of a central conductive rod (usually copper or aluminum) and surrounding insulators made of composite resin silicone rubber. Additionally, the bushings are made of various materials. Whether copper, aluminum or plastic, they are an important part of many types of electrical equipment.

type

There are several different types of bushings on the market today. They may be cheap but they are of good quality. These products can be used in telephones, cable television, computer data lines and alarm systems. The key to buying these products online is finding the right appliance store and choosing a high-quality product. An online appliance store should have comprehensive information and ease of use. For the right electrical bushing, you should look for reliable online stores with the best prices and high quality products.
Capacitive grading bushings use conductive foils inserted into paper to stabilize the electric field and balance the internal energy of the bushing. The conductive foil acts as a capacitive element, connecting the high voltage conductor to ground. These types of bushings are sometimes referred to as capacitor grade bushings. Capacitive grading bushings are usually made of paper impregnated with epoxy resin or mineral oil.
When buying enclosures, you should know how they are used. Unlike ball bearings, bushings should be stored upright so that they are in the correct working position. This is because horizontal placement can cause air bubbles to form in the fill insulation. It is also important to store the bushing properly to prevent damage. The wrong way to store these components can result in costly repairs.
In addition to the physical structure, the bushing insulation must also be effective over the long term. It must resist partial discharge and working electric field stress. The material and design of the bushing can vary widely. Early on, porcelain-based materials were popular in bushing designs. Porcelain was chosen because of its low cost of production and very low linear expansion. Ceramic bushings, on the other hand, require a lot of metal fittings and flexible seals.
bushing

Durability

The RIG 3 Bushing Durability Test Standard simulates real-world service conditions for automotive bushings. This three-channel test standard varies casing loads and stresses by applying a range of different load conditions and various control factors. This test is critical to the durability of the case, as it accurately reproduces the dynamic loads that occur during normal use. This test is a key component of the automotive industry and is widely used in many industries.
The Advanced Casing Model has five modules to address asymmetry, nonlinearity, and hysteresis. This model also represents the CZPT lag model. The model can be parameterized in the time domain using MATLAB, and the results can be exported to other simulation software. The developed bushing model is a key component in the durability and performance of vehicle suspension components.
A conductive material is coated on the inner surface of the sleeve. The coating is chosen to conduct a certain amount of current. The conductive path extends from the blade spacer 126 to the sleeve projecting edge 204 and then through the housing 62 to the ground. The coating is made of a low friction material and acts as a wear surface against the bushing sidewall 212 and the housing 62 .
Another important factor in a bushing’s durability is its ability to friction. The higher the operating speed, the greater the load on the bushing. Since bushings are designed for lighter loads and slower speeds, they cannot handle large loads at high speeds. The P-max or V-max value of a bushing is its maximum load or speed at 0 rpm. The PV value must be lower than the manufacturer’s PV value.

price

If you need to replace the bushing on the control arm, you should understand the cost involved. This repair can be expensive, depending on the make and model of your car. Generally, you should pay between $105 and $180 for a replacement. However, you can choose to have it done by a mechanic at a lower cost. The labor cost for this job can be around $160, depending on your automaker.
The cost of replacing the control arm bushings can range from $200 on the low end to $500 on a luxury car. While parts are cheap, labor costs are the highest. Mechanics had to remove suspension and wheel assemblies to replace bushings. If you have some mechanical knowledge, you can replace the bushing yourself. Control arm bushings on the wheel side are usually about $20 each. Still, if you’re not a mechanic, you can save money by doing it yourself.
bushing

Install

Press-fit bushings are installed using a retaining ring with a diameter 0.3/0.4 mm larger than the inner diameter of the bushing. To ensure accurate installation, use a mechanically driven, pneumatic or hydraulic drill and insert the bushing into the appropriate hole. This process is best done using mounting holes with drilled holes for the clamps. Make sure the mounting hole is in the center of the bushing and free of debris.
Once the bushing is positioned, use a vise to install its nut. A cold bushing will compress and fit the shell better. Place the sleeve in the refrigerator for at least 24 hours to aid installation. After removing the bushing from the refrigerator, make sure it has enough diameter to fit into the enclosure. Next, place the opposite socket into the enclosure and use it as a stand. After a few minutes, the bushing should be fully seated in the housing.
Install the new bushing into the housing hole. If the previous one had a metal case, insert the new one through the taper. Always lubricate the inner and outer surfaces of the bushing. Then, apply pressure to the inner metal sleeve of the new bushing. You may notice that the new bushing does not exactly match the housing hole. However, that’s okay because the outer diameter of the bushing is larger than the outer diameter of the hub drive.
The installation of the bushing requires the use of the hydraulic unit 16 . Hydraulic unit 16 is located near the #1 journal of the camshaft and extends from #2 to #7. Hydraulic fluid forces piston 22 away from the outer end of cylinder 20 and pushes shaft 14 forward. The shaft is then moved forward, pushing the bushing 17 onto the piston. Multiple bushings can be installed in a single engine.