Rotational lock in inner ring of outboard bearing to avoid lock washer

A wheel end assembly for a vehicle, comprising:

• a central wheel support member such as a spindle or a steering knuckle;
• and
• an outboard wheel end bearing arranged concentrically around the central wheel support member, the outboard wheel end bearing comprising roller elements accommodated between an inner race-forming part and an outer race-forming part surrounding the inner race-forming part, wherein the inner race-forming part is configured to be supported by the central wheel support member;
• wherein the central wheel support member comprises a first rotational lock portion;
• wherein the inner race-forming part comprises a second rotational lock portion configured to engage with the first rotational lock portion to prevent the inner race-forming part from rotating relative to the central wheel support member;
• wherein one of the first and second rotational lock portions comprises at least one protrusion, wherein the other one of the first and second rotational lock portions comprises at least one recess for mating with the at least one protrusion;
• and
• wherein the first rotational lock portion comprises at least one flat surface portion, wherein the second rotational lock portion comprises a corresponding mating flat surface portion.