Cage for rigid ball bearing and associated ball bearing
AssigneeSKF France
InventorYannick Fierling
Life of this patent
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Abstract
The invention concerns a cage device (17) for maintaining balls in a ball bearing comprising at least a row of balls arranged between two raceways, said cage comprising a ring-shaped part (18) axially adjacent to said balls and a plurality of slots (22) in each of which is arranged a ball, a slot being formed by a concave surface, the slots being open on the side opposite the ring and separated by spacing portions (19) extended opposite the ring by lips (21). The concave surface comprises a truncated portion (24) connected to the spherical portion (23).
Claims21
Cage device (17) of the type intended to hold balls (16) in a bearing comprising at least one row of balls arranged between two raceways, the said cage comprising a ring-shaped part (18) axially adjacent to the balls and a number of slots (22) in each of which a ball is arranged, a slot being formed by a concave surface, the slots being open axially on one face of the ring and radially on both sides of the ring, the said slots being separated by spacing parts (19) extended on the opposite side to the ring by lips (21), the concave surface comprising a truncated-conical portion (24) which meets a spherical portion (23), characterized in that the truncated-conical portion is arranged on the interior edge of the slot of the cage and closes up in the direction towards the axis of revolution of the cage, the spherical portion occupying the rest of the slot.
Dependencies are inferred from the claim text.