1, çünki ceramic cïï bɛ̈n ya cɔk cɔk cɔk cɔk cɔk cɔk cɔk cɔk cɔk cɔk cɔk cɔk cɔk cɔk cɔk cɔk cɔk cɔk cɔk cɔk cɔk cɔk cɔk cɔk cɔk cɔk

2, çünki ceramic rolling ball's density is low than steel, and weight is much lighter, therefore when rotating the outer ring's centrifugal effect can be reduced by 40%, and then the service life is significantly extended.

3, ceramic ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ

4, rin ceramic elastic modulus ye dɔɔni ka tɛmɛ steel, ka tɛmɛ yen ka tɛmɛ yen ka tɛmɛ yen ka tɛmɛ yen ka tɛmɛ yen ka tɛmɛ yen ka tɛmɛ yen ka tɛmɛ yen ka tɛmɛ yen ka tɛmɛ yen.