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Test data WW W W Journal oscillation test Testing conditions Bearing dimension F 60~75~R50 Mating material F S45C quenched by high frequency induction hardening Pressure F 24.5N/mm2 o250.0kgf/cm2p Velocity F 0.033m/s o2.0m/minp Oscillating cycle F 21.2cpm Oscillating angle F }45 Test timeF 100hrsi. durable cycle frequency : 127,200 cyclesj Ambience F in the atmosphere, room temp. Lubrication F initial greasing Journal rotation test Testing conditions Bearing dimension F 40~50~R30 Mating material F S45C quenched by high frequency induction hardening Test time F 100hrs. Ambience F in the atmosphere, room temp. Pressure F Velocity Lubrication Receprocation test Testing conditions Mating material F SCM440 hard-chrome plating Pressure F 1.18N/mm2 o12.0kgf/cm2p Velocity F 1m/s o60m/minp Test time F 27.8hrs. Lubrication F Initial greasing 9.8N/mmo2 100.0kgf/cm2p 0.167m/s o10.0m/minp Initial greasing 19.6N/mmo2 200.0kgf/cm2p 0.083m/s o5.0m/minp Dry 0.5 0.4 0.3 0.2 0.1 0 0 10 20 30 40 50 60 70 80 90 100 Coefficient of frictionkʁl Test timekhrs.l Wear amount bearing F 0.024mm 0.4 0.3 0.2 0.1 0 0 5 10 15 20 25 30 Coefficient of frictionkʁl Test timekhrs.l Wear amounkt ml 0 5 10 15 20 25 30 0.5 0.4 0.3 0.2 0.1 0 0 10 20 30 40 50 60 70 80 90 100 Coefficient of frictionkʁl Test timekhrs.l Wear amount bearing F @@0.001mm 0.007mm 244 Selection Guide Product Information Plastic Bearing Multi-layer Bearing Metallic Bearing Air Bearings Technical Slide Shifter Information Corporate Profi le