... ore,cement,silicate,glass,ferrous and non-ferrous metal 3.dry,wet,overflow,intermittent,continuous Features:1. Large diameter double row ... bearings;2. Different size of steel balls, classified naturally;3. Fine grinding size;4. Integral steel under-frame, high installation precision ... ~7.5Y315S-8556485×2140×176012420 High Efficiency and Good Quality Dry Ball Mill/Grinder