Patent ID: 8713800

Claim:
An assembly jig for a radial roller bearing, the assembly jig comprising: a retaining structure comprising a plurality of projections extending in an axial direction and being configured to retain a plurality of roller bodies disposed in a ring-shape during a bearing assembly process, wherein the projections are configured such that: the roller bodies are supportable in a first radial direction on a first component, each roller body contacts two adjacent projections in a second radial direction, which is opposite of the first radial direction, such that the projections press the roller bodies against the first component, wherein each projection comprises two concave abutment surfaces configured to abut one roller body on each side of the projection in the circumferential direction, a portion of the roller bodies projects past the projections in the second radial direction, at least one chamfer is formed on an axial terminal end of each of the projections, wherein the at least one chamfer is disposed such that it is located between one of the concave abutment surfaces and the axial terminal end of each of the projections, and wherein the assembly jig is configured to be removable from the roller bearing in the axial direction after final assembly of the roller bearing.