Housing can be made from a variety of materials- cast iron, thermoplastic, pressed steel or stainless steel. Insert bearings can be made in 52100 chrome steel or 440 stainless steel. A variety of options to lock the bearing onto the shaft include- set screw locking collar, eccentric locking collar or a squeeze style collar. For normal applications, a buna seal with a metal shroud shield is provided. For harsh environment applications, triple lip seals can be provided. Bearings can be provided with an anti-rotation pin. This will further reduce the rotation of the outside diameter of the bearing.