Specifications

High Quality Hybrid Ceramic Bearing 4x7x2.5mm
1.Warranty:12 months
2.OEM
3.Fast delivery
4.Technical support

1.RTR High Quality Hybrid Ceramic Bearing 4x7x2.5mm advantages:

a.59% lighter than steel ball,which means less centrifugal force and less wear on the groove during high speed and acceleration.

b.44% larger elastic modulus,which means less deformation under load.

c.Harder with Rockwell hardness as 78.

d.Smaller friction coefficient.

e.Only 1/4 coefficient of thermal expansion of steel ,can endure sharp.

f.Superior surface finish can be achieved,Ra could be 4-6nm.

g.Can endure high temperature with high hardness and strength up to 1050 centigrade.

h.Never rust,and can roll without lurbrication.

i.More corrosion resistant than steel.

j.Free of matel contamination.

k.Non-magnatic and electric isolation.

2.RTR High Quality Hybrid Ceramic Bearing 4x7x2.5mm Draft: Please find drafts of hybrid ceramic ball bearing/ceramic ball bearing :

 

3. RTR High Quality Hybrid Ceramic Bearing 4x7x2.5mm show:

RTR High Quality Hybrid Ceramic Bearing 4x7x2.5mm are acclaimed by goog quality,competitive price

 and good service.

 

4. RTR High Quality Hybrid Ceramic Bearing 4x7x2.5mm packaging:

 Inside,outside surface and raceway are spreaded with antirust & lubricate grease.Inner package is made of plastic film,and then compositive kraft,outer package is enlaced with flax pieces

 

5. RTR High Quality Hybrid Ceramic Bearing 4x7x2.5mm  application:

RTR High Quality Hybrid Ceramic Bearing 4x7x2.5mm are widely used in Coal Machinery,  automobile ,

food machinery Applications.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6.RTR Certificate and Test report:

 every step of process bearing from raw material to packaging is controlled strictly. Material certificate and test

 report can be sent to customer if necessary

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7. RTR Bearings Store:  RTR Bearing Store provides all standard bearings to meet customers fast and easy purchases, especially for small orders, you can use the convenient search system to complete. RTR bearing store has almost all standard bearing numbers, and most of them are in stock, which can satisfy some urgent requirement.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8.RTR Group: RTR bearings, RTR slewing rings, RTR precision bearings, RTR transmission,RTR machinery, RTR engineering and RTR online bearings store make up RTR Group.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9.Market Distribution& Customer Reference: customers are spreaded all over the world and annual turnover kept increasing in past 5 years.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10.Contact Me:

Ball bearings and Roller Bearings: http://www.china.cn/product-gs/1446106155/ball_bearings_roller_bearings.html