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Test data W W High speed underwater journal rotation test <Testing conditions> Mating maerial : SUS403 Pressure: 1.96N/mm{2 20.0kgf/cm2} Velocity : 5m/s {300m/min} Test time : 8hrs. Atmosphere : purified water High speed underwater journal rotation test <Testing conditions> Bearing dimension : φ60×φ75×R60 Pressure: 0.13N/mm{2 1.4kgf/cm2} Velocity : 5.65m/s {339.0m/min} Rotation frequency : 1,800rpm Atmosphere : muddy water ( 500 ppm of testing dust JIS grade 2 and 3 are blended equally as forreign partcle.) Test temperature : room temperature Duration : 250hrs. Water processing machine <Testing conditions> Mating material : S45C Pressure: 0.49N/mm{2 5.0kgf/cm2} Velocity : 0.067m/s {4.0m/min} Atmosphere : muddy water 0.20 0.15 0.10 0.05 0 Wear amoun〔t mm〕 Fiber Reinforced phenol resin bearing Oiles 470 0 2 4 6 8 Test time〔hrs.〕 0.15 0.10 0.05 0 Coefficient of friction〔μ〕 Carbon bearing Oiles 470 0 50 100 150 200 250 Test time〔hrs.〕 4 2 0 Wear amoun〔t mm〕 Fiber Reinforced phenol resin bearing Oiles 470 0 30 60 Rig test time〔months〕 Oiles 470 wear amount : 0.016mm Carbon bearing wear amount : 0.401mm 132 Selection Guide Product Information Plastic Bearing Multi-layer Bearing Metallic Bearing Air Bearings Technical Slide Shifter Information Corporate Profi le