The Hallite 755 seal is a compact, low friction seal for light to medium duty hydraulic cylinders. Designed orginally to the North American housing standards, the 755 is an inch version of Hallite's 754. It comprises a very tough elastomeric face (see material options) which is pre-loaded by a square section ring (as North American convention). Please note part numbers marked* are supplied with an O ring energiser.It is recommended that an adequate bearing is mounted on both sides of the seal. See Hallite 506 bearing strip. For full detials and availability please contact your local Hallite sales office.