| 摘要 |
PROBLEM TO BE SOLVED: To provide a rolling bearing device capable of inhibiting even the slight leakage of grease. SOLUTION: This rolling bearing device 1 is provided with inner rings 12 and 13 and an inner ring member composed of circular members 30 and 31 located at ends of the inner rings, respectively, an outer ring 11, a tapered roller 14 rollingly located between the inner and outer rings, and a seal case 30 which holds an oil seal 21 of which the end is fitted and fixed in an inner periphery surface of the end of the outer ring 11 and seals the inner and outer rings. An end face 31a of the seal case 30 is provided with a circular seal member 35 intervened between a step face 11d formed at the inner periphery side of the outer ring 11 and the end face, and sealing the end face 31a and the step face 11d. COPYRIGHT: (C)2010,JPO&INPIT |
