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Text version of the page
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| Open and Closed Metric Bearings L & LX - Technical information Linear Bearing Wear Data Ceramic Test Parameters: Dynamic Test Load: 100 PSI Speed During Test: 100 feet per minute Lubrication: Lithium Stearate Grease Results: Run-in Wear (10 Hours) 0.00001" Total Wear Constant Wear Rate After Run-in 3.0 X 10-13 inches per linear foot of travel e.g. Total wear for 100,000,000 linear feet of travel is 0.00004". Self-Lubricating (SL) Test Parameters: Dynamic Test Load: 100 PSI Speed During Test: 50 feet per minute Lubrication: none Results: Run-in Wear (10 Hours) 0.00003" Total Wear Constant Wear Rate After Run-in 5.4 x 10-7 inches per linear foot of travel | ||||
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| Shaft Data Optimum performance of the Rino Ceramic Bearing is achieved when standard hardened and ground "S"or "L" type precision shafting is used. Mild steel shafting or drill rod ground to the same tolerances and finish may also be used. Testing has determined that the Rino ceramic bearing, when run against these softer shaft materials, and lubricated at a frequency of one-hour intervals, results in a coefficient of friction of 0.05 to 0.06 at a PV limit of 6000. Examination of the shaft after testing indicated that with the exception of light score marks on the shaft, there was no measurable wear to either the shaft or the bearing surfaces. Please note Figure A for actual test data. | Lubricants In order to achieve maximum performance of the Rino Ceramic bearing, a lubrication method is essential. The proper amount of lubrication required is that amount which maintains a constant thin film during operation. The method selected will depend on the speed-load-coefficient of friction requirements of the application. Approved (tested) lubrication methods include lithium stearate grease, MOS2 Dry Film, most oils, greases and moly pastes. We do not recommend using any silicon based spray lubricants. The following charts illustrate the results of various speed/load and lubricant tests. LINEAR MOTION | |||
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| figure a | LINEAR MOTION | |||
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