Patent ID: 8869710

Claim:
A railroad car side bearing comprising: an elastomer element; a cage having a base and a side wall connected to the base, the cage defining a first locking tab receiving slot, the base defining a key opening, a bottom side of the base defining a lock out insert receiving channel, a top side of the base configured to support the elastomer element; a lock out insert including: (a) a body having a first side and a second side; (b) a first arm having a first side and a second side, the first side of the first arm including a first extension section connected to the first side of the body and the second side of the first arm including a first locking tab, the first extension section configured to be positioned within a first portion of the lock out insert receiving channel, and the first locking tab configured to be positioned within the first locking tab receiving slot; and (c) a key extending from the body and sized to fit through the key opening; said elastomer element defining an interior channel, a diameter of the interior channel corresponding to a diameter of the key such that the interior channel is configured to receive the key, the elastomer element configured to rest on and be supported by said top side of the base; and a cap connectable to the cage.