Self-Lubricating Bushings
Source self-lubricating bushings from India's verified manufacturers and exporters on Himalay. Browse the full range for industrial and export applications.
About Self-Lubricating Bushings
Self-lubricating bushings are plain bearings that run with little or no external lubrication, using either an oil-impregnated sintered structure, embedded solid lubricants, or a low-friction polymer liner to carry lubricant to the sliding surface. They cut maintenance and contamination risk in food, packaging, agricultural, construction and general machinery, and in sealed or inaccessible joints where re-greasing is impractical.
Three main families dominate: oil-impregnated sintered bronze (ISO 2795 / oilite-type), metal-polymer DU-type bushes with a steel back, sintered-bronze interlayer and PTFE running layer (built and dimensioned in line with ISO 3547 / DIN 1494), and solid-lubricant bronze bushes with graphite or MoS2 plugs for heavy, slow, high-temperature duty. Key specs cover bore/OD tolerances, wall, and the PV (pressure-velocity) limit that defines safe dry-running load and speed.
Materials and liners are selected by load, speed, temperature and chemistry — PTFE/POM liners for low friction, sintered bronze for moderate maintenance-free duty, graphite-plugged bronze for extreme conditions. Backing, interlayer and liner system are defined per the application, and lead-free liner chemistries are offered for RoHS or food-adjacent use. Because these bushes transfer or release their own lubricant, they are favoured for oscillating, intermittent or contaminated joints where a grease film would break down or wash out.
Dimensional accuracy, oil content or liner integrity and PV capability are normally agreed against the drawing. Himalay coordinates material traceability and EN 10204 3.1 certificates, dimensional and hardness verification, oil-content/porosity or liner-bond reports, plus RoHS/REACH declarations where specified, handled as part of the standard order flow.
