A track chain assembly comprising: a first track link including a first body defining a top surface , a bottom surface , a first side surface and a second side surface defining a thickness (T) therebetween, a proximate end and a distal end , and a length (L) therebetween; the first body defines a first bore with a first diameter disposed adjacent the proximate end and a second bore with a second diameter disposed adjacent the distal end , the first diameter being larger than the second diameter ; a second track link including a second body defining a top surface , a bottom surface , a first side surface and a second side surface defining a thickness (T') therebetween, a proximate end and a distal end , and a length (L') therebetween; the second body defines a third bore with a third diameter disposed adjacent the proximate end and a fourth bore with a fourth diameter disposed adjacent the distal end , the third diameter being larger than the fourth diameter ; wherein the third bore is aligned with the second bore , defining a common track link bore longitudinal axis ; and characterized by a bearing assembly disposed in the third bore , the bearing assembly including a cylindrical configuration with a radial direction (R), a circumferential direction (C), and defining a bearing assembly longitudinal axis coaxial with the common track link bore longitudinal axis , a first axial end , and a second axial end ; an inner radial race ; an outer radial race ; a bearing member disposed radially between the inner radial race and the outer radial race ; and a retaining ring engaging the inner radial race and engaging the outer radial race , the retaining ring being configured to limit longitudinal movement of the inner radial race relative to the outer radial race . a first track link including a first body defining a top surface , a bottom surface , a first side surface and a second side surface defining a thickness (T) therebetween, a proximate end and a distal end , and a length (L) therebetween; the first body defines a first bore with a first diameter disposed adjacent the proximate end and a second bore with a second diameter disposed adjacent the distal end , the first diameter being larger than the second diameter ; a second track link including a second body defining a top surface , a bottom surface , a first side surface and a second side surface defining a thickness (T') therebetween, a proximate end and a distal end , and a length (L') therebetween; the second body defines a third bore with a third diameter disposed adjacent the proximate end and a fourth bore with a fourth diameter disposed adjacent the distal end , the third diameter being larger than the fourth diameter ; wherein the third bore is aligned with the second bore , defining a common track link bore longitudinal axis ; and characterized by a bearing assembly disposed in the third bore , the bearing assembly including a cylindrical configuration with a radial direction (R), a circumferential direction (C), and defining a bearing assembly longitudinal axis coaxial with the common track link bore longitudinal axis , a first axial end , and a second axial end ; an inner radial race ; an outer radial race ; a bearing member disposed radially between the inner radial race and the outer radial race ; and a retaining ring engaging the inner radial race and engaging the outer radial race , the retaining ring being configured to limit longitudinal movement of the inner radial race relative to the outer radial race . <EOS>