Wheel hub and bearing assembly packaging

A packaging system for a wheel hub assembly, the packaging system comprising an outboard guard and an outboard retainer cap,

• the outboard guard having a planform and comprising:
• an outboard guard opening comprising a substantially circular hole through the planform of the outboard guard,
• an engagement portion comprising an annular surface radially surrounding the outboard guard opening,
• an outboard bearing protector portion comprising an annular surface radially surrounding the engagement portion of the outboard guard, the annular surface of the outboard bearing protector portion being offset axially from the annular surface of the engagement portion of the outboard guard, and
• an outer rim comprising an annular surface radially surrounding the outboard bearing protector portion;
• and
• the outboard retainer cap being configured to be removably affixed to the outboard guard and comprising:
• an outboard alignment protrusion comprising a circular surface,
• an engagement portion comprising an annular surface radially surrounding the outboard alignment protrusion, the annular surface of the engagement portion of the outboard retainer cap being offset axially from the circular surface of the outboard alignment protrusion, and
• a retaining flange comprising an annular surface radially surrounding the engagement portion of the outboard retainer cap, the annular surface of the retaining flange being offset axially from the annular surface of the engagement portion of the outboard retainer cap.