Bangalore-based poly fluoro offers oil-free polymer bearings. These self-lubricating oil-free bearings are designed to replace metal bearings and bushings where lubrication failure or shortage causes premature shaft wear, poor product life and high warranty costs.These are made from fluoropolymer compounded resins. The favorable temperature range is -200 to +250 deg c. Oil-free bearings offer pv factor up to 0.35 n/mm2 in continuous use in dry conditions, without any noticeable wear traces. For intermittent use in dry conditions, pv value up to 1.70 n/ mm2 m/s is possible. These are ideal for highly corrosive environmental conditions, presence of low lubricating fluids, or in case of humidity. The application areas of this kind of oil-free polymer bearings include automotive components, textile machines, packaging and packing machines, machine tool and machine for food industry, dry reciprocating compressors, valves and solenoid valves. These bearings offer excellent replacements to du/dx type metal-backed ptfe impregnated bearings.
