We provide a hinge comprising: a first leaf for connection to a first object and a second leaf for connection to a second object, a pivot pin, and a convex bearing defining an opening for receiving a portion of the pivot pin, the first leaf including a first retaining portion surrounding a first portion of the pivot pin, and the second leaf including a second retaining portion surrounding a second portion of the pivot pin, for relative rotation of the first leaf and second leaf about an axis of rotation defined by the pivot pin, the axis of rotation being rotatable about the bearing.