[Title]: Demand spherical roller bearing 23160 M in steel industry

we need spherical roller bearing 23160 M for steel industry

250 load
150 npm

10 pcs Need
Do you have experience selling in rolling mill plant
Bearing would be working in steel industry 

They were asking me for one year warranty

This company does maintance after every 700 tone
They expeact life of one year
They have very good maintance staff
Or any reason if they can increase life of bearing, you have solutions please let us know