Page 8 of Fiberglide by RBC Bearings

® bearings ests were conducted to compare the load carrying capability and wear life of four standard self-lubricating bearing products transport dynamics performed all testing on the same test machine and fixturing standard fiberglide® and fabroid® products are presented herein transport dynamics offers other self-lubricating bearing products capable of dynamic loading to 40,000 psi and ultimate static loading to 120,000 psi t test conditions the bearings were placed under a fixed load with an oscillating shaft the test bearing size was 1.00 inch i.d by .500 inch long the test conditions were 10,000 psi 5,000 lbs and 5,000 psi 2,500 lbs loads with an oscillation of ±45 degrees and 30 cycles per minute at room temperature approximately every 10,000 cycles the bearings were removed and inspected for wear industrial bearing life testing cycles to failure vs bearing type number of cycles at 5,000 psi load test condition 5,000 psi 2,500 lbs journal bearing 1.00 i.d x .500 wide oscillation ±45° 30 cpm room temperature 1,254,000 cycles to failure 1,200,000 1,005,000 cycles to failure 1,000,000 1,400,000 number of cycles at 10,000 psi load test condition 10,000 psi 5,000 lbs journal bearing 1.00 i.d x .500 wide oscillation ±45° 30 cpm room temperature 807,000 cycles to failure 1,000,000 800,000 561,000 cycles to failure 700,000 600,000 800,000 500,000 600,000 400,000 400,000 failed at 140,000 cycles 300,000 200,000 failed at 4,700 cycles oil impregnated bronze 200,000 failed immediately du® type ptfe/lead coated bronze fiberglide® fabroid® failed at 43,000 cycles 100,000 du® is a registered trademark of garlock bearings inc 6 du® type ptfe/lead coated bronze oil impregnated bronze fiberglide® fabroid®

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