China best Bushing/Deep Groove Ball/Bronze/Slewing/One Way/Engine/Linear/Fyh/Thin Section/Auto Wheel/Knuckle/Thrust Ball/Square Bore Bearing Nnu 4888 M/W33 with high quality

Merchandise Description

Double row cylindrical roller bearings have 2 buildings: cylindrical interior hole and conical internal hole (bearing post code plus K). Column cylindrical roller bearing has the rewards of compact framework, high rigidity, big bearing capability and modest deformation after loading. The conical interior gap can also slightly alter the clearance, simplify the framework of the positioning unit and facilitate installation and disassembly.

About us
ZheJiang REET BEARING.CO.,LTD is a specialist bearing company and exporter.
We have a wealth of technical.All producing procedures are completed in our manufactory. As an ISO9001:2000 certified manufacturer,we will solve different troubles in application and use of our bearings. 
Our company is an licensed distributor of FAG, INA, CZPT and other planet model bearings.Our firm has the proper to self-export bearings and launches its own manufacturer RTB.
Our bearing experienced been exported to far more than twenty nations around the world throughout the world and are warmly welcomed.
We are looking forward to your order.
FAQ

one.Is the business a creation manufacturing facility or a trading business?
ZheJiang REET BEARING CO.,LTD is a producing company concentrating on bearings and integrating analysis, manufacturing and product sales.

2.How several the MOQ of your business?
Based on the dimensions of the bearing, the MOQ is variable, if you are fascinated, you can contact me for a quote.

3.Does the organization acknowledge OEM or tailored bearings?
In addition to regular merchandise, we also source non-normal and modified normal goods for special application. In the meantime, we offer OEM service.

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

5.What are the firm’s shipping terms?
We can take EXW,FOB,CFR,CIF,etc. You can decide on the 1 which is the most handy value powerful 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

The Benefits of Using Self-Lubricating Bushings for Your Next Pivot

Like any other auto part, control arm bushings wear out over time. This results in an increase in irritating vibrations that can be dangerous in severe cases. The bushings in the control arms also wear out due to the stress that extreme driving conditions put on the control arms. Additionally, environmental factors and oversized tires tend to transmit more vibration through the bushing than conventionally sized tires. Whatever the cause, bushings can be the source of many problems.
bushing

wear and cracking

The main cause of dry valve side bushing cracking is a mismatch in thermal expansion of the core and flange. This situation can seriously compromise the safety of the power system. To improve the safety of dry valve side bushings, the crack development of epoxy impregnated paper under various conditions was investigated. A coupled thermomechanical simulation model was also used to study the cracking process.
The first step in diagnosing the cause of bushing wear and cracking is a visual inspection. The bushing of the lower control arm is fixed to the frame by a bracket. If there are any visible cracks, it’s time to replace the bushing. However, there is no need to replace the entire suspension. In some cases, worn bushings can cause a variety of problems, including body lean, excessive tire wear and cornering noise.

Maintenance free

If you’re considering maintenance-free bushings for your next pivot, you’ll be wondering what to look for in these components. The bushing protects the housing from corrosion and keeps the bushing under pressure. However, many users are not familiar with what these components can do for their applications. In this article, we’ll look at several examples of truly maintenance-free pivots and discuss their requirements.
One of the most popular types of maintenance-free bushings are flanged and parallel. Unlike worm gear bushings, these self-lubricating metal bearings are ideal for a variety of applications and conditions. They reduce failure and downtime costs while providing the long-term lubrication required by other types of bushings. Since these sleeves are made of lead-free material, they are RoHS compliant, which means they are environmentally friendly.Another common maintenance-free bushing is plastic. This material is easier to find off-the-shelf and relatively inexpensive to produce. However, it is not suitable for high load applications as it will crack under heavy loads and damage mating parts. Plastics can also deviate if the manufacturing process is imprecise. Plastic bushings can also crack when subjected to high loads.
bushing

self-lubricating

When using a self-lubricating bushing, there is no need to apply grease to the bushing. Oily liquids tend to attract dirt and grit, which can wear away the graphite prematurely. By eliminating the need for regular lubrication, you will reduce equipment maintenance costs. This article will explore the benefits of self-lubricating bushings. You will love your kindness.
Self-lubricating bushings have a strong base material to withstand radial bearing pressure while providing shaft support at the contact surfaces. The material also has good fatigue properties and low friction motion. Self-lubricating bushings can be used in environments with high temperatures and aggressive media. These products can also withstand enormous pressure. When using self-lubricating bushings, it is important to select the correct material.
The main advantage of using self-lubricating bushings is ease of maintenance. They don’t require oil to run and are cheaper to buy. Their main benefit is that they can significantly reduce your machine running costs. These bearings do not require oiling operations, reducing maintenance costs. These bearings also offer a simplified mechanical design due to their thin walls and high load capacity. In addition, they reduce noise levels while maintaining excellent wear resistance. Plus, their materials are ROHS compliant, which means they don’t require oil.
Hydropower installations are another area where self-lubricating bushings have proven their advantages. They reduce maintenance costs, extend equipment life, and improve environmental benefits. For example, the Newfoundland Power Company uses self-lubricating bushings in the gates of its hydroelectric power plants. These self-lubricating bushings eliminate grease from entering waterways and tailraces. As a result, power companies are able to reduce maintenance and costs.

compared to cartilage in the human body

What is the difference between tendon, bone and cartilage? Human cartilage is composed of collagen and elastic fibers. In contrast, fibrocartilage contains more collagen than hyaline cartilage. Both cartilage types are composed of proteoglycans, which have a protein backbone and glycosaminoglycan side chains. These components work together to provide structure and flexibility to the cartilage.
Bone is a combination of living and dead cells embedded in a matrix. The outer hard layer of bone is dense bone, and the inner layer is spongy, containing bone marrow, blood vessels, nerves, etc. Bone contains both organic and inorganic substances, and this process of hardening of the matrix produces bone. On the other hand, cartilage consists of chondrocytes and a matrix composed of collagen and elastin fibers. Compared to bone, cartilage is yellow and contains elastic fibers.
Although bone and cartilage are structurally identical, cartilage is more flexible. It is mainly found in the joints and respiratory system and requires flexibility. Its ingredients include collagen and proteoglycans, which provide compression and abrasion resistance. Furthermore, connective tissue is composed of cells, fibers and matrix.
The basic substance of cartilage is chondroitin sulfate, which is derived from animals. Although cartilage grows more slowly than bone, its microstructure is less organized. There is a fibrous sheath covering the cartilage, called the perichondrium. The molecular composition of the ECM plays an important role in the function of cartilage. The collagen matrix is ​​important for cartilage remodeling and consists of changes in the collagen matrix.
bushing

Compared to metal-on-bone contact

Both metal-on-bone contact are known to cause a significant increase in the pressures in a joint. To compare the two, we first calculated the joint contact pressures in each model and compared them. The results of this study support previous research on this subject. The following sections discuss the benefits of both types of contact. They also outline some key differences between the two.