Product Description

Pillow Block Bearing/UCP205 Manufacture of Bearing Cylindrical/Taper Roller/Deep Groove Ball Bearing

ABOUT US
Founded in 2000, it has become a professional bearing manufacturer with advanced bearing production technology and the most advanced CNC equipment in China. The whole production process from raw materials to finished products, from design to manufacturing, is produced in accordance with national standards. The main production: spherical roller bearings, insert bearings, housings, deep groove ball bearings, adapter sleeves, cylindrical roller bearings,  with an annual output of more than 5 million sets, with an output value of more than 40 million yuan. The quality of the finished product meets the national inspection standards and has stable reliability.

Our Bearing Advantage:

1. Free Sample bearing;
2.ISO Standard;
3. Bearing Small order accepted;
4. In Stock bearing;
5. OEM/ODM bearing service;
6. Professional: more than 20 years of manufacture bearing;
7. Customized bearing, Customer’s bearing drawing or samples accepted;
8. Competitive price bearing: factory outlet.

OEM All Brand Bearing
1. deep groove ball bearing 6000,6200,6300,6400,61800,61900,Z,RS,ZZ,2RS
2. spherical roller bearing 22200,22300,23000,24000,23100,24100,CA,CC,E,W33
3. cylindrical roller bearing N,NU,NJ,NN,NUP,E,ECP,ECM,ECJ
4. taper roller bearing 35710,30300,32200,32300,31300,32000
5. Aligning ball bearing 1200,1300,2200,2300,
6. needle roller bearing NA,NAV,NK,NKI,RNA,NK,RNAV,ZKLF,ZKLN,ZARF,ZARN
7. thrust ball bearing 51100,51200,51300,51400,E,M
8. angular contact ball bearing7000,7100,7200,7300,AC,BECBM,C 
9. spherical plain bearing GE,GEG,GEEW,U,UC,UG,GX,GAC,SA,SABP
10.Wheel hub bearing /ceramic bearing/plastic bearing/lazy susan bearing

Product Description

 


All technical details as belows:

Material information:

Specification Steel NO. HRC Chemical composition %
C Si Mn Mo S P Cr
GB/T 18254 Gcr 15 61-65 0.95~1.05 0.15~0.35 0.25~0.45 below 0.08 below 0.571 below 0.571 1.40~1.65

UC/UE/SA/SB bearings P housing F housing T housing FL housing
201 P203 F203 T203 FL203
202 P203 F203 T203 FL203
203 P203 F203 T203 FL203
204 P204 F204 T204 FL204
205 P205 F205 T205 FL205
206 P206 F206 T206 FL206
207 P207 F207 T207 FL207
208 P208 F208 T208 FL208
209 P209 F209 T209 FL209
210 P210 F210 T210 FL210
211 P211 F211 T211 FL211
212 P212 F212 T212 FL212
213 P213 F213 T213 FL213
214 P214 F214 T214 FL214
215 P215 F215 T215 FL215

Technical information:

The model of pillow block bearing
Bearing No. Shaft Diameter Dim ensions/mm kg
in mm D Bi Be
UC201   12 47 31 17 0.21
UC202   15 0.19
UC203   17 0.18
UC204   20 0.16
UC201-8     1.8504 1.2205 0.6693 0.2
UC202-10     0.19
UC203-11     0.18
UC204-12     0.16
UC205   25 52 34.1  17 0.19
UC205-14     2.571 1.3425 0.669 0.22
UC205-15 15/16   0.2
UC205-16 1   0.19
UC206   30 62 38.1  19 0.31
UC206-17 1  1/16   2.4409 1.5 0.748 0.36
UC206-18 1  1/8   0.34
UC206-19 1  3/16   0.32
UC206-20 1  1/4   0.31
UC207   35 72 42.9  20 0.46
UC207-20 1  1/4   2.8346 1.689 0.787 0.52
UC207-21 1  5/16   0.5
UC207-22 1  3/8   0.48
UC207-23 1  7/16   0.46
UC208   40 80 49.2  21 0.63
UC208-24 1  1/2   3.1496 1.689 0.787 0.68
UC208-25 1  9/16   0.64
UC209   45 85 49.2  22 0.68
UC209-26 1  5/8   3.3465 1.937 0.866 0.78
UC209-27 1  11/16   0.74
UC209-28 1  3/4   0.7
UC210   50 90 51.6  24 0.78
UC210-30 1  7/8   3.5433 2.571 0.9449 0.85
UC210-31 1  15/16   0.8
UC211   55 100 55.5  25 1.07
UC211-32 2   3.637 2.189 0.9843 1.22
UC211-34 2  1/8   0.1
UC211-35 2  3/16   1.05
UC212   60 110 65.1  27 1.52
UC212-36 2  1/4   4.3307 2.563 1.063 1.65
UC212-38 1  3/8   1.49
UC212-39 1  7/16   1.42
UC213   65 120 65.1  28 1.8
UC213-40 2  1/2   4.7244 2.5630  1.1571 1.88
UC214   70 125 74.6  30 2.06
UC214-44 2  3/4   4.9213 2.9370  1.1811 2.07
UC215   75 130 77.8  32 2.19
UC215-47 2  15/16   5.1181 3.063 1.2598 2.21
UC215-48 3   2.11
UC216   80 140 82.6  33 2.82
UC216-50 3  1/8   5.5118 3.2520  1.2992 2.9
UC217   85 150 85.7  35 3.46
UC217-52 3  1/4   5.9055 3.3740  1.378 3.56
UC218   90 160 96.0  37 4.56
UC218-56 3  1/2   6.2992 3.7795  1.4567 4.62

Our packing:
* Industrial pakage+outer carton+pallets
* sigle box+outer carton+pallets
* Tube package+middle box+outer carton+pallets
* According to your requirments

Company Profile

      We have been engaged in foreign trade for more than 6 years and are well-known enterprises in ZheJiang
Province. The fixed assets of the machine are more than 2 million US dollars, and the annual foreign trade
sales volume exceeds 2 million US dollars.
     We have extensive cooperation with countries in Asia, Europe, and the Americas. Including Russia, Ukraine,
elarus, Kazakhstan, Uzbekistan, Tajikistan, Spain, Mexico,India, Pakistan, Turkey, Vietnam and other industrial
areas.
                                                                                           

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 mix different standard bearings.
2.MOQ:  3000 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.

SUPORT
Please visit our bearings website, we strongly encourge that you can communicate with us through email,thanks!

We have all kinds of bearings, just tell me your item number and quantity,best price will be offered to you soon
The material of the bearings, precision rating, seals type,OEM service,etc, all of them we can make according to your requirement.

Shipping Cost:

Estimated freight per unit.



To be negotiated|


Freight Cost Calculator

Rolling Body: Ball Bearings
The Number of Rows: Single
Outer Dimension: Small and Medium-Sized (60-115mm)
Samples:
US$ 5/Piece
1 Piece(Min.Order)

|

Order Sample

Customization:
Available

|

Customized Request

bearing

How to Replace a Bearing

If you want to select a bearing for a specific application, you should know a few basics. This article will give you an overview of ball, angular contact, and sliding-contact bearings. You can choose a bearing according to the application based on the characteristics of its material and preload. If you are not sure how to choose a bearing, try experimenting with it. The next step is to understand the Z-axis, which is the axes along which the bearing moves.

Z axis

When it comes to replacing your Z axis bearing, there are several things you must know. First, you need to make sure that the bearings are seated correctly. Then, you should check the tension and rotation of each one. To ensure that both bearings are equally tensioned, you should flex the Core to the desired angle. This will keep the Z axis perpendicular to the work surface. To do this, first remove the Z axis bearing from its housing and insert it into the Z axis motor plate. Next, insert the flanged bearing into the Z axis motor plate and secure it with two M5x8mm button head cap screws.
Make sure that the bearing plate and the Z Coupler part are flush and have equal spacing. The spacing between the two parts is important, as too much spacing will cause the leadscrew to become tight. The screws should be very loose, with the exception of the ones that engage the nylocks. After installing the bearing, the next step is to start the Z axis. Once this is done, you’ll be able to move it around with a stepper.

Angular contact

Ball bearings are made with angular contacts that result in an angle between the bearing’s races. While the axial load moves in one direction through the bearing, the radial load follows a curved path, tending to separate the races axially. In order to minimize this frictional effect, angular contact bearings are designed with the same contact angle on the inner and outer races. The contact angle must be chosen to match the relative proportions of the axial and radial loads. Generally, a larger contact angle supports a higher axial load, while reducing radial load.
Ball bearings are the most common type of angular contact bearings. Angular contact ball bearings are used in many applications, but their primary purpose is in the spindle of a machine tool. These bearings are suitable for high-speed, precision rotation. Their radial load capacity is proportional to the angular contact angle, so larger contact angles tend to enlarge with speed. Angular contact ball bearings are available in single and double-row configurations.
Angular contact ball bearings are a great choice for applications that involve axial loads and complex shapes. These bearings have raceways on the inner and outer rings and mutual displacement along the axial axis. Their axial load bearing capacity increases as the contact Angle a rises. Angular contact ball bearings can withstand loads up to five times their initial weight! For those who are new to bearings, there are many resources online dedicated to the subject.
Despite their complexity, angular contact ball bearings are highly versatile and can be used in a wide range of applications. Their angular contact enables them to withstand moderate radial and thrust loads. Unlike some other bearings, angular contact ball bearings can be positioned in tandem to reduce friction. They also feature a preload mechanism that removes excess play while the bearing is in use.
Angular contact ball bearings are made with different lubricants and cage materials. Standard cages for angular contact ball bearings correspond to Table 1. Some are machined synthetic resins while others are molded polyamide. These cage materials are used to further enhance the bearing’s axial load capacity. Further, angular contact ball bearings can withstand high speeds and radial loads. Compared to radial contact ball bearings, angular contact ball bearings offer the greatest flexibility.

Ball bearings

bearing
Ball bearings are circular structures with two separate rings. The smaller ring is mounted on a shaft. The inner ring has a groove on the outer diameter that acts as a path for the balls. Both the inner and outer ring surfaces are finished with very high precision and tolerance. The outer ring is the circular structure with the rolling elements. These elements can take many forms. The inner and outer races are generally made of steel or ceramic.
Silicon nitride ceramic balls have good corrosion resistance and lightweight, but are more expensive than aluminum oxide balls. They also exhibit an insulating effect and are self-lubricating. Silicon nitride is also suitable for high-temperature environments. However, this type of material has the disadvantage of wearing out rapidly and is prone to cracking and shattering, as is the case with bearing steel and glass. It’s also less resistant to heat than aluminum oxide, so it’s best to buy aluminum nitride or ceramic ball bearings for applications that are subjected to extremely high temperatures.
Another type of ball bearings is the thrust bearing. It has a special design that accommodates forces in both axial and radial directions. It is also called a bidirectional bearing because its races are side-by-side. Axial ball bearings use a side-by-side design, and axial balls are used when the loads are transmitted through the wheel. However, they have poor axial support and are prone to separating during heavy radial loads.
The basic idea behind ball bearings is to reduce friction. By reducing friction, you’ll be able to transfer more energy, have less erosion, and improve the life of your machine. With today’s advances in technology, ball bearings can perform better than ever before. From iron to steel to plastics, the materials used in bearings have improved dramatically. Bearings may also incorporate an electromagnetic field. So, it’s best to select the right one for your machine.
The life expectancy of ball bearings depends on many factors, including the operating speed, lubrication, and temperature. A single million-rpm ball bearing can handle between one and five million rotations. As long as its surface contact area is as small as possible, it’s likely to be serviceable for at least one million rotations. However, the average lifespan of ball bearings depends on the application and operating conditions. Fortunately, most bearings can handle a million or more rotations before they start showing signs of fatigue.

Sliding-contact bearings

bearing
The basic principle behind sliding-contact bearings is that two surfaces move in contact with one another. This type of bearing works best in situations where the surfaces are made of dissimilar materials. For instance, a steel shaft shouldn’t run in a bronze-lined bore, or vice versa. Instead, one element should be harder than the other, since wear would concentrate in that area. In addition, abrasive particles tend to force themselves into the softer surface, causing a groove to wear in that part.
Sliding-contact bearings have low coefficients of friction and are commonly used in low-speed applications. Unlike ball and roller bearings, sliding contact bearings have to be lubricated on both sides of the contacting surfaces to minimize wear and tear. Sliding-contact bearings generally are made of ceramics, brass, and polymers. Because of their lower friction, they are less accurate than rolling-element bearings.
Sliding-contact bearings are also known as plain or sleeve bearings. They have a sliding motion between their two surfaces, which is reduced by lubrication. This type of bearing is often used in rotary applications and as guide mechanisms. In addition to providing sliding action, sliding-contact bearings are self-lubricating and have high load-carrying capacities. They are typically available in two different types: plain bearings and thrust bearings.
Sliding-contact linear bearing systems consist of a moving structure (called the carriage or slide) and the surfaces on which the two elements slide. The surfaces on which the bearing and journal move are called rails, ways, or guides. A bore hole is a complex geometry, and a minimum oil film thickness h0 is usually used at the line of centers. It is possible to have a sliding-contact bearing in a pillow block.
Because these bearings are porous, they can absorb 15 to 30% of the lubrication oil. This material is commonly used in automobile and machine tools. Many non-metallic materials are used as bearings. One example is rubber, which offers excellent shock absorbency and embeddability. While rubber has poor strength and thermal conductivity, it is commonly used in deep-well pumps and centrifugal pumps. This material has high impact strength, but is not as rigid as steel.

China Hot selling CZPT CZPT CZPT Pillow Block Bearing/UCP205 Manufacture of Bearing Cylindrical/Taper Roller/Deep Groove Ball Bearing   bearing exampleChina Hot selling CZPT CZPT CZPT Pillow Block Bearing/UCP205 Manufacture of Bearing Cylindrical/Taper Roller/Deep Groove Ball Bearing   bearing example
editor by CX 2023-04-19

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