• 7008 Angular contact ball bearings bearing System 1
  • 7008 Angular contact ball bearings bearing System 2
  • 7008 Angular contact ball bearings bearing System 3
  • 7008 Angular contact ball bearings bearing System 4
7008 Angular contact ball bearings bearing

7008 Angular contact ball bearings bearing

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
1000 pc
Supply Capability:
500000 pc/month

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Angular contact ball bearings can bear radial load and axial load at the same time and also can bear pure axial load. Their ability of axial load is determined by contact angle and is increased with contact angle increasing; speed limit is higher; stiffness is big and can be pre-adjusted. They are applicable to high-speed and high-precision site.


Product application:

- spindle and other high speed precision mechanical spindle

- aircraft engine spindle

- high frequency motor

- printing machinery

- air compressor 

- gas turbine 

- jet engines 

- turbines

-pump


 Design ations  Principal dimensions (mm)  〆15º〆25º
Limit speedLimit   speed
dDBBasic   load rating LubricationRated   loadLubrication
Cr   CorGrease   Oil Cr       CorGrease    Oil
70 Series single angular contact ball bearings
70031735106.7   4.944000   66000 6.4          4.739000   59000
70042042129.6   6.337000   55000  9.2              6.033000   49000
700525471212.9   8.733000   4900012.329000   44000
700630551315.7   11.627000   4200014.9      10.923000   37000
700735621419.3   17.519000   3300010.4      10.319000   33000
700840681519.9   19.118000   3100018.9      18.216000   27000
700945751626.7   25.316000   2700025.4      24.115000   25000
701050801627.6   27.515000   2500026.2      26.214000   23000
701155901836.7   37.113000   2100034.8      35.312000   19000
701260951837.8 13000   2100035.8       38.0   11000   18000
7013651001838.9    42.912000   1900036.8      40.710000   17000
7014701102049.9    55.511000   1800047.2      52.79000     16000
7015751152051.3    59.210000   1700048.5      56.28500     15000
7016801252261.6    70.49000    1600058.3      66.98000     14000
7017851302263.6 8500    1500059.9      71.37500     13000
7018901402466.9 8000    1400063.2      79.77000     12000
7019951452479.1    97.67500    1300074.86500     11000
70201001502481.2   103.37000    1200076.7  6000     10000
70211051602693.9    118.26500    1100088.86000     10000
702211017028110.4   139.86000    10000104.4    132.85700     9000
702412018028112.7   148.76000    10000106.3    141.15700     9000
702613020033144.8   190.85700     9000136.8    181.05000     8000
702814021033148.7   202.65000     8000140.4     192.24600     7500
703015022535168.4   232.54600     7500159.1     220.64000     6500
703216024038189.1   264.54000     6500178.6    251.03800     6000
703417026042205.6   299.33800     6000194.2    284.03300     5300
703618028046229.5   352.13500     5700216.8     334.13000     5000


Q:The difference between ultra high speed angular contact ball bearings and other plain bearings
The roller of angular contact ball bearings is ball, because it is a point contact (different from roller bearing line contact), so it can provide higher speed, smaller heating quantity and higher rotation precision. In some high speed spindle applications, ceramic ball hybrid bearings will also be used. Compared with the traditional steel ball, the characteristics of ceramic ball materials endow the ceramic ball bearings with high rigidity, high speed, high temperature resistance and long service life, so as to meet the customers' demand for machine tool bearing products. (flight five Rui reminded you, at present, the mainland ceramic ball mixed bearings spot less, in your choice of such imported bearings, you need to pay attention to delivery time).On the contact angle of angular contact ball bearings, 15 popular and the contact angle of 25 speed; high performance usually contact angle of 15, while the axial contact angle of 25 with high bearing capacity. Due to the effect of preload contact application of ball bearings for precision angle is very large, such as high load capacity, high rigidity of the occasion, will generally choose bearing pre medium or heavy load; and for some applications of high speed and high precision, in the early selection of imported bearings, need to pay attention to choose the appropriate pre load. Pre load is generally divided into light, medium, heavy three kinds, generally light preload is more common. In order to facilitate the use of customers, the general will have universal matching, precision angular contact ball bearings. This type of imported bearings eliminates the customer's preload adjustment, thus saving installation time.
Q:Can angular contact ball bearings be adjustable?
No, please adjust the heart with the self-aligning bearing
Q:What is the difference between deep groove ball bearings and angular contact ball bearings?
Deep groove ball bearings and angular contact ball bearings are not the same
Q:Do angular contact ball bearings come with a sealing cap?
Without a sealing cap
Q:How can angular contact be distinguished from the front and back? What are the characteristics of each?
The front outer ring is wide and the outer back is narrow.
Q:How to install angular contact ball bearings?
For the tax investigation has a fly PAN Membrane 8 meteorite Ju wood against Qing emperor Cha tight cangue dream show in the life brewing scar spear wallCollapse protection
Q:What are the reasons for the use of tapered roller bearings and angular contact ball bearings?
Take the radial load and axial load of the shaft evenly, pay attention to the normal and reverse loading, or the axial direction can not be fixed.
Q:Angular contact ball bearings, how to judge the size of the mouth?
Angular contact bearing on both sides of the outer ring thickness is not the same thin, over there is big mouth
Q:Is there a way to calculate the axial force of angular contact ball bearings?
The rated axial dynamic load of the bearing is: 4300N. Axial force can be calculated by formula. Please consult the professional manual!
Q:What are the differences between angular contact bearings and deep groove ball bearings?
Deep groove ball bearings and angular contact ball bearings with inner and outer diameters and wide dimensions have the same inner ring size and structure, but have different outer ring sizes and structures:1. deep groove ball bearings, outer raceway, both sides of the double shoulder, and angular contact ball bearings generally single shoulder;2. deep groove ball bearings, raceway curvature and angular contact ball is different, the latter is often greater than the former;3. deep groove ball bearings, outer raceway and angular contact ball bearings of different, non central position, the specific value of angular contact ball bearings designed to be considered, and the degree of contact angle related;In terms of use:1. two different purposes, suitable for deep groove ball bearings bear radial force and smaller axial force, axial and radial load and combined load torque, and angular contact ball bearings can withstand axial load, radial load is larger (with different contact angles and loads of different sizes), double matching (with matching mode vary) is two-way can withstand axial load and torque load.2., the limit speed is different, the same size of angular contact ball bearings, the ultimate speed is higher than deep groove ball bearings.With type, size, precision, and so on.

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