Page 56 of BEAREE by NTN Corporation Japan

technical reference bearee pi5001 test condition friction test test unit thrust type friction and wear test unit mating material bearing steelsuj2 rotation sample piece face pressure 0.5 0.8 mpa sliding velocity 128 m/min lubrication none ambient temperature 100°c 0.3 friction coefficient 0.2 pi 5001 0.1 pi 5001 anil 0 0.4 0.6 face pressure 0.8 mpa 1.0 fig.23 friction coefficient versus face pressure bearee pi5001 test condition wear test test unit thrust type friction and wear test unit mating material bearing steelsuj2 rotation sample piece face pressure 0.2-2.0 mpa sliding velocity 128 m/min lubrication none ambient temperature room temperature 1,000 10-8 pi 5001 specific wear rate mm3/n 100 10 pi 5001 anil 1 0 50 100 150 200 250 pv value mpa·em/min fig.24 specific wear rate versus pv value bearee as5053 test condition wear test test unit radial type friction and wear test unit mating material a50563.2s hv45 face pressure 0.35 mpa sliding velocity 2.8 m/min lubrication none ambient temperature 200°c test time 50 hours specific wear rate 1.7x10-6 mm3/n·m friction coefficient 0.3 0.2 0.1 0 0 10 20 test time 30 h 40 50 fig.25 friction coefficient during the wear test 56

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