Abstract: An end cap assembly (10) for a roller tube (76) of a conveyor roller (78) comprising an end cap body (12) proportioned to press fit within an end of the roller tube (76), a bearing retained between the end cap body (12) and a shaft (74) of the conveyor roller (78) and a seal (16) provided about the shaft (74) and abutting an outer surface (18) of the end cap body (12) so as to restrict the passage of dust and other materials into the bearing (14).