| 摘要 |
1,186,221. Bearings. TORRINGTON CO. Ltd. 30 Jan., 1968 [31 Jan., 1967], No. 4615/67. Heading F2A. A race 12, Fig. 1, of a roller bearing is provided with a radially outwardly-displaced circumferential region 18 which is part-spherical shaped. The region 18 defines a lubricant reservoir 20 which may be provided with an inlet aperture and with a grease-nipple. Each end of the race 12 is provided with radially inwardly-directed annular flanges 14, each of which extends to an axially-directed portion 16, the latter serving to retain rollers 10 in position. In modifications a cage is provided; the region 18 is formed towards one end of the race; one end of the race has a flange 32, Fig. 4, the internal diameter of which is greater than the outside diameter of a cage 22; each end of the race is provided with a neoprene &c. seal which engages a shaft mounted in the bearing; each end of the race forms a labyrinth seal with annular end seals of neoprene &c. which are mounted on a shaft supported by the bearing; a locating peg 35, Fig. 6 (not shown), may be provided; the ends of the race are radiallydirected towards and form a labyrinth seal with, recessed portions formed one at each end of an inner race; and one end of a race 72, Fig. 8, having an annular recess 74, receives an annular end flange 70 which forms a labyrinth seal with a recessed portion 64 of an inner race. |
