30mm 50mm Double row angular contact thrust ball bearings with 15 30 40 degree

Double row angular contact ball bearing with 15 degree 30 degree and 40 degree

Our technology:

1.All of our bearing sizes have annealing and normalized tempering to guarantee the hardness will not change at different temperature.
2.All of our bearing sizes have strictly lathe process,grinding process and superfinish process to guarantee the dimention can meet the international standard.
3.All of our bearing sizes will be washed strictly by kerosene and degaussed to guarantee the cleanliness of bearing.
4.All of our bearing sizes will be inspected strictly by bearing measurement instrument to guarantee all the products are acceptable.
5.All of our bearing sizes have antirusting oil to guarantee the save time and working life of bearing.

Packaging:

1.For small ones:anti-rust oil+vacuum plastic bag+paper box+wooden box 

2.For big ones:anti-rust oil+waterproof belt+professional belt+wooden box 

3.As your requirement