Patent ID: 7670058

Claim:
A cage for antifriction bearings with rollers, comprising: a first side edge, a second side edge, webs and pockets, which are situated adjacent to one another at the periphery for the rollers, the webs and the the first side edge and the second side edge being formed in one piece with one another and: the webs between the first side edge and the second side edge being aligned along a rotational axis of the cage, the webs being curved concavely toward the pocket, each of the pockets being delimited peripherally by flanks, which are situated opposite one another, on the webs, each of the pockets being delimited axially by inner flanks, which are situated opposite one another along the rotational axis, of the the first side edge and the second side edge, spacing tangentially between the flanks, on opposite sides of the pockets, being greater than a diameter of the rollers in the pockets, pairs of retainers for the rollers being formed on the webs, separation tangentially between the retainers on opposite sides of the pockets, being smaller than a diameter of the rollers in the the pockets, and each of the flanks having at least one plane running face, which faces toward the pockets, for one of the rollers in the pockets, the plane running face adjoining at least one of the retainers radially, with each of the retainers independently protruding beyond the plane running face at least tangentially creating additional points of contact to secure the rollers while allowing lubricant from a lubricant wedge to flow freely.