Suggested for pillow blocks used in extremely contaminated environments, such as taconite mines.
Provides protection against residual and airborne contaminants that exceeds the triple labyrinth shaft seal.
Contributes significantly to extending bearing life; reduces costs by helping prevent premature bearing damage.
Because of its unique design, no special finish is required on the shaft. DUSTAC is a patented device utilizing a V-shaped nitrile ring that rotates with the shaft and applies pressure to the cartridge face to exclude contaminates.
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