Land vehicle parts, namely, bearings for wheels, axles, transmissions, steering systems and breaking systems for land vehicles and bearing parts therefor, namely, cups, cones, rollers, balls, spacers, retainers, cages and shields; land vehicle bearing housings, covers and closures; journal boxes for land vehicles; journal box covers, closures and spacers for land vehicles; closures for lubricant flingers for land vehicles; brakes for land vehicles and brake systems for land vehicles; worms being gear parts and gears for land vehicles; engine transmissions for land vehicles; transfer cases for dividing engine torque between front and rear axles of heavy duty motor vehicles, engine torque dividers for heavy duty motor vehicles and engine torque accumulators for heavy duty motor vehicles, and structural parts of the foregoing; axles for motor vehicles; wheel and multi-axle units for land vehicles and structural parts thereof