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Test data W Journal rotation test <Testing conditions> Mating material : stainless steel         (surface roughness 0.8μmRy) Pressure: 0.098N/mm{2 1.0kgf/cm2} Velocity : 0.783m/s {47.0m/min} Rotation : 3,000rpm Test time : 500hrs. Mode of operation : reversing rotational          direction every          minute Lubrication : dry Coefficient of friction〔μ〕 0.5 0.4 0.3 0.2 0.1 0 0 100 200 300 Oiles Lutec S Conventional POM bearing 400 500 Test time〔hrs.〕 82 Selection Guide Product Information Plastic Bearing Multi-layer Bearing Metallic Bearing Air Bearings Technical Slide Shifter Information Corporate Profi le