Genuine NordicTrack replacement part, sold individually.
This item secures the crank bushings, pedal arm sleeve and washer to the axle of the elliptical machine. To secure this part to the axle you will need part number Screw (212055). List of compatible elliptical machines shown below.

This genuine manufacturer approved replacement part is used on ellipticals. This part is made out of plastic and it is sold individually. This plastic cover helps to keep dust and dirt away from axle bushing.

This is a Genuine NordicTrack Eliptical Bushing that fits inside the Link Arm Assembly to provide smooth movement of the connecting joints. This part is made out of Plastic with a Metal Ring Inside. It is sold individually. If the arm is having trouble moving or if it locks the bushing should be inspected and might need to be replaced for equipment to operate correctly.

This is an genuine NordicTrack replacement part. Part is sold individually. The pedal arm sleeve slides over the crank arm, allowing the pedal arm to attach to it, which provides movement. The pedal arm sleeve can be removed by unlatching the pedal arm, then removing the patch screw that holds it in place. An Allen wrench is needed for installation.

Genuine OEM replacement part, this item is sold individually.
This item secures the crank bushings, pedal arm sleeve and washer to the axle of the Elliptical Machines shown below.
To secure these part to the axle you will need part number 212055 Screw.

This is an original OEM part, it is sold individually.
The 286547 Roller is installed on the right and left Pedal Arm.
It purpose is to give a smooth run on the Elliptical as you are using it.
As with all ball bearings, because internally the turn metal to metal, they eventually will wear out, and will have to be replaced.