A bearing (20, 220, 320) comprising: an outer ring (30, 230, 330) defining a concave arcuate bearing surface (32, 232, 332) defining a bore and having a radius of curvature (Ro) in an axial cross section of the bearing (20, 220, 320); characterized in that an split inner ring is formed by a first half and a second half separated from one another by a fracture line, the split inner ring defining a convex arcuate bearing surface (52, 252, 352) having a radius of curvature (R I) in the axial cross section of the bearing (20, 220, 320), the inner ring being rotatable relative to the outer ring (30, 230, 330) about a first axis of rotation and the inner ring being angularly displaceable relative to the outer ring (30, 230, 330) when the inner ring is disposed in the outer ring (30, 230, 330); wherein a crescent shaped void configured for retention of a lubricant is defined between the concave arcuate bearing surface (32, 232, 332) and the convex arcuate bearing surface (52, 252, 352) between two points of contact (270, 272 and 370, 372) between the concave arcuate bearing surface (32, 232, 332) and the convex arcuate bearing surface (52, 252, 352) when the outer ring (30, 230, 330) and the split inner ring are subject to loading forces (F1, F2); wherein the concave arcuate bearing surface (32, 232, 332) is radially displaced from the convex arcuate bearing surface (52, 252, 352) by a distance at an axial center of the bearing (20, 220, 320) when the split inner ring is concentric with the outer ring (30, 230, 330); wherein the distance is defined to enable the first half and the second half of the split inner ring to be inserted through a first opening in the bore of the outer ring (30, 230, 330); wherein an axial clearance is defined as the distance between an end of the concave arcuate bearing surface (32, 232, 332) and the convex arcuate bearing surface (32, 232, 332) along an axis parallel to the axis of rotation; wherein the radius of curvature (Ro) of the concave arcuate bearing surface is less than the radius of curvature (R I) of the convex arcuate bearing surface and wherein the axial clearance is less than the axial clearance of a spherical bearing wherein the radius of curvature (Ro) of the concave arcuate bearing surface is equal to or greater than the radius of curvature (R I) of the convex arcuate bearing surface. an outer ring (30, 230, 330) defining a concave arcuate bearing surface (32, 232, 332) defining a bore and having a radius of curvature (Ro) in an axial cross section of the bearing (20, 220, 320); characterized in that an split inner ring is formed by a first half and a second half separated from one another by a fracture line, the split inner ring defining a convex arcuate bearing surface (52, 252, 352) having a radius of curvature (R I) in the axial cross section of the bearing (20, 220, 320), the inner ring being rotatable relative to the outer ring (30, 230, 330) about a first axis of rotation and the inner ring being angularly displaceable relative to the outer ring (30, 230, 330) when the inner ring is disposed in the outer ring (30, 230, 330); wherein a crescent shaped void configured for retention of a lubricant is defined between the concave arcuate bearing surface (32, 232, 332) and the convex arcuate bearing surface (52, 252, 352) between two points of contact (270, 272 and 370, 372) between the concave arcuate bearing surface (32, 232, 332) and the convex arcuate bearing surface (52, 252, 352) when the outer ring (30, 230, 330) and the split inner ring are subject to loading forces (F1, F2); wherein the concave arcuate bearing surface (32, 232, 332) is radially displaced from the convex arcuate bearing surface (52, 252, 352) by a distance at an axial center of the bearing (20, 220, 320) when the split inner ring is concentric with the outer ring (30, 230, 330); wherein the distance is defined to enable the first half and the second half of the split inner ring to be inserted through a first opening in the bore of the outer ring (30, 230, 330); wherein an axial clearance is defined as the distance between an end of the concave arcuate bearing surface (32, 232, 332) and the convex arcuate bearing surface (32, 232, 332) along an axis parallel to the axis of rotation; wherein the radius of curvature (Ro) of the concave arcuate bearing surface is less than the radius of curvature (R I) of the convex arcuate bearing surface and wherein the axial clearance is less than the axial clearance of a spherical bearing wherein the radius of curvature (Ro) of the concave arcuate bearing surface is equal to or greater than the radius of curvature (R I) of the convex arcuate bearing surface.