Abstract:
A method for producing a cage having a body with multiple pockets for rolling elements, the method providing: a) defining a cage basis geometry that provides a radial outer and/or inner surface for contacting a bearing ring and multiple surfaces of the pockets for contacting the rolling elements; b) defining a part of the radial outer and/or inner surfaces as being unalterable surfaces; c) calculating the cage stress distribution when applying a defined stress force from a mathematical model; d) defining cage volume sections where the stress is below a defined threshold; e) removing a part of the volume sections defined according to step d) taking into account the unalterable surfaces according to step b) and the surfaces of the pockets that are unalterable surfaces; f) defining the cage geometry with the removed volume sections; g) manufacturing the cage according to the geometry as defined according to step f).
Abstract:
The invention relates to a bearing cage (1) for receiving rolling elements (6). In addition to two rings (2, 3), the bearing cage also has a plurality of webs (4) which run axially between the rings (2, 3). In order to prevent the rolling elements (6) from falling out of the pockets (5) formed between the rings (2, 3) and the webs (4), the webs (4) are at least provided with a groove (7a) which runs in the direction of the respective web (4). When the rolling elements (6) are inserted into the pockets (5), a tool (9) engages into the groove (7a) and bends the edge region (11) of the web (4) in the direction of the rolling elements (6) inserted into the pockets (5).
Abstract:
A roller bearing cage (1, 40) has at least a first side ring (2, 41, 52) that extends in the circumferential direction. The first side ring (2, 41, 52) comprises an opening point (3, 8, 58). This opening point is designed for opening the side ring (2, 41, 52) in order to mount the side ring (2, 41) so that a circumference of the side ring (2, 41, 52) can be enlarged.
Abstract:
This retainer for a needle roller bearing which rotatably supports a planetary gear of a planetary gear mechanism has an annular section and has column sections extending in the direction of the axis from the annular section. Rollers are retained between adjacent column sections. The retainer is used guided by an outer ring and has formed on the outer peripheral surface thereof either a composite coating which contains a phosphate and a solid lubricant which is selected from a soft metallic solid lubricant and a layered crystalline structure substance, or a composite coating which contains a phosphate and a phosphate compound which includes soft metal.
Abstract:
The invention concerns a rolling bearing (10), adapted for mounting on a balancing shaft (2) and comprising: an outer ring (20) having a cylindrical outer surface (21) and a cylindrical inner surface (22) centered on a central axis (X10), and two annular lateral surfaces (23, 24) extending radially to the central axis (X10) and defining a ring width (w20) parallel to the central axis (X10); a cage (30) having pockets (38) distributed around the central axis (X10) and two annular lateral surfaces (33, 34) extending radially to the central axis (X10) and defining a cage width (w30) parallel to the central axis (X10); and rolling members (12) mounted in the pockets (38) of the cage (30) and disposed in rolling contact with the inner surface (22) of the outer ring (20); wherein the cage width (w30) is superior or equal to the ring width (w20). The invention also concerns a mechanical system (1) comprising such a rolling bearing (10).