To provide a lubricant composition being hardly oxidized/deteriorated even under high temperature, and to provide a rolling apparatus having long life even under high temperature.
The deep groove ball bearing includes an inner ring 1 having a raceway surface 1a on an outer peripheral surface, an outer ring 2 having a raceway surface 2a opposed to the raceway surface 1a on an inner peripheral surface and arranged at an outward position in a radial direction of the inner ring 1, a plurality of rolling bodies 3 rollably arranged between both raceway surfaces 1a, 2a, a retainer 4 for retaining the plurality of rolling bodies 3 between the inner ring 1 and the outer ring 2, and sealing devices 5, 5 for covering an opening of a clearance between the inner ring 1 and the outer ring 2. Further, in a cavity part formed between the inner ring 1 and the outer ring 2 and inwardly provided with the rolling bodies 3, the grease-like lubricant composition G for performing lubrication between the raceway surfaces 1a, 2a and the rolling bodies 3 is arranged. The lubricant composition G contains a base oil, a thickening agent, an anti-oxidant, and a coenzyme Q.
| WO2006060387 | EXPANDALBE TUBULAR LUBRICATION |
| JP2020180249 | LUBRICANT COMPOSITION |
| WO/2022/122476 | LUBRICATING OIL COMPOSITION |
Megumi Konishi
Hide Tanaka Tetsu
Ichi Hirose
Toru Miyasaka