| 摘要 |
PROBLEM TO BE SOLVED: To provide a rolling bearing of reduced torque with showing good sealing performance even under inferior environment. SOLUTION: In the bearing provided with an outer ring including an outer race on an inner circumference surface, an inner ring including an inner race on an outer circumference surface, a plurality of rolling elements provided between the outer race and the inner race in such a manner the same can freely roll, and a sealing device sealing an opening part in an axial direction of a space provided with a plurality of the rolling elements between the inner circumference surface of the outer ring and the outer circumference surface of the inner ring, worked penetration of grease filled in a space defined by a seal lip of the sealing device and a sliding surface thereof is larger than worked penetration of grease filled in an inner space defined by the rolling element, the outer race, and the inner race to lubricate a rolling contact part. COPYRIGHT: (C)2006,JPO&NCIPI
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