| 摘要 |
A bearing which can be used between two coaxial flywheels has an inner race, an outer race, one or more annuli of antifriction bearing elements between the two races, a metallic or plastic enclosure which surrounds the peripheral surface of the outer race and a portion of the internal surface of the inner race and has a wall extending along first axial ends of the races. The wall has an outwardly bulging pocket for confinement of lubricant in addition to that which is confined in the space between the inner and outer races. Such space is sealed at the second axial ends of the races by a ring which is installed between the two races or surrounds a portion of the peripheral surface of the outer race and sealingly engages the inner race.
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