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Test data W W Horizontal reciprocation test <Testing conditions> Bearing dimension : □40×□40×t20 Mating material : FC250 ground Pressure: 5.9、11.8N/mm{2 60.0、120.0kgf/cm2} Velocity : 0.12m/s {7.0m/min} Reciprocation cycle : 44cpm Stroke : 80mm Test cycle : 100,000cycle Lubrication : initial greasing at installation Cam impact test <Testing conditions> Bearing dimension : □63×□95×t15 Mating material : FC250 ground、         S45C quenched and ground Pressure: 19.6N/mm{2 200.0kgf/cm2} Velocity : 0.16m/s {9.6m/min} Impact frequency : 60cpm Stroke : 80mm Test cycle : 500,000cycle Lubrication : initial greasing at installation Journal oscillation test <Testing conditions> Mating material : S35cw/gas nitriding SUS403         S35C/hard-chrme plating Pressure: 24.5N/mm{2 250.0kgf/cm2} Velocity : 0.002m/s {0.105m/min} Oscillating cycle : 10cpm Oscillaing angle : ±5° Test cycle(time) : 100,000cycle(166.7hrs.) Lubrication : initial greasing at installation 0.04 0.03 0.02 0.01 0 0 20 40 60 80 100 Wear amount〔 mm〕 Reciprocation cycle〔×102〕 P=11.8N/mm{2 120.0kgf/cm2} P=5.9N/mm{2 60.0kgf/cm2} 100 90 80 70 60 50 40 30 20 10 0 0 10 20 30 40 50 60 70 80 90 100 Bearing temperature〔 ℃ 〕 Oscillation cycle〔×103〕 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 0 Coefficient of friction〔μ〕 Oscillation cycle〔×103〕 0 10 20 30 40 50 60 70 80 90 100 S35C gas nitriding SUS403 S35C hard-chrome plating 0.04 0.03 0.02 0.01 0 0 100 200 300 400 500 Wear amount〔 mm〕 Impact cycle〔×103〕 Mating material : S45C quenched and ground Mating material : FC250 ground 226 Selection Guide Product Information Plastic Bearing Multi-layer Bearing Metallic Bearing Air Bearings Technical Slide Shifter Information Corporate Profi le