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Koehler K18595 High Temperature Wheel Bearing Grease Tester

Rp. CALL
Last Updated
21 Sep 2021
Minimum Order
1 unit
Category
KOEHLER

Specification of Koehler K18595 High Temperature Wheel Bearing Grease Tester

Test Method


Evaluates the high temperature stability of automotive wheel bearing greases in a modified automotive front wheel hub-spindle-bearings assembly. The ASTM D3527 Life Performance test employs severe conditions–25 lbf (111N) thrust load, 1000rpm, 160°C spindle temperature –to induce grease deterioration and failure. The test continues in a 20/4 hour on/off cycle until grease breakdown causes measured drive motor torque to increase past an established end point. The number of hours to failure is the test result. The ASTM D4290 Accelerated Leakage Tendencies procedure employs similar test conditions for a 20 hour period, after which leakage of grease and oil is measured and the bearings are washed and examined for deposits of gum and varnish.


Specifications


Conforms to the specifications of:


ASTM D3527, D4290, D4950


Digital controls and displays:


Timer: on/off cycle and real time

Chamber Temperature: °C

Spindle Temperature: °C


Motor rpm: 0-1725rpm


Motor Torque: current draw


Elapsed Time: 9999.9 hr.


Maximum Temperature: 177°C (350°


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