Abstract: With help of the patent of 200710065224.0, the single-row spherical ball bearing being suitable for autogenous mill was successfully produced. This bearing has adopted an integrate structure in feed end and a forming structure in discharge port. The inner and outer lane of bearing used GCr15SiMn, and the ball body put to use the excellent G20Cr2Ni4A carburizing bearing steel. Compared with the present technique, this ball bearing consumed less energy at overcoming friction with power saving of 10% to 15%. After application of ball bearing to Φ5500×1800mm autogenous mill, the highest temperature in feed end of integrate bearing is about 10℃, and the temperature in discharge port about 20℃ with good effects on energy savings.

Key words: Single-row spherical ball bearing, Ball mill, Autogenous mill, Power saving