Pipe Hangers & Supports Private Limited supplies Low Friction Slide Bearing. Pipe Hangers & Supports Private Limited is an ISO 9001 - 2008 recognised company manufacturing a wide range of spring hangers, supports and accessories for power plants, refineries, nuclear installations and process industries. The Low Friction Slide Bearing is used to ensure a low co-efficient of friction to accommodate horizontal, lateral movements in pipe work. The Low Friction Slide Bearing uses PTFE, filled PTFE and graphite pads with a mirror polished stainless counter facing plate for operation.