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assembly while impinging the bearing with a jet of water at the specified flow

 rate temperature. The tared bearing shields are weighed before

installation in the bearing housing again after testing drying to determine the

amount of sample loss. Consists of reservoir, bearing housing, circulation

system drive motor. Reservoir is equipped with cartridge heater, thermoregulat or

thermometer port for accurate temperature control at 100°F175°F ��38°C79°C�� per

ASTM specifications. Circulation system includes constant velocity carbon bearing

gear pump, valves flow meter directing a controlled water flow to a capillary ��1mm��

spray nozzle aimed at the bearing housing. Rugged 1/3hp drive motor rotates test

bearing at 600rpm while driving the circulation pump. A two-pulley system permits independent pump operation to circulate water while heating it to test temperature. Mounted on a finished steel base with locating feet for permanent bench top placement.