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  • 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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Diameter S-1 (in)

Part Number

Diameter S-1

Assembly Standout B

Pillow Block Housing Number 500

Pillow Block Housing Number 600

V-Ring Seal

O-Ring

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N/A 6 15/16 in N/A 1 9/64 in N/A 538 N/A 638 N/A V-180-A N/A 2-265
N/A 7 in N/A 1 9/64 in N/A 538 N/A 638 N/A V-180-A N/A 2-265
N/A 7 3/16 in N/A 1 9/64 in N/A 540 N/A 640 N/A V-180-A N/A 2-265
N/A 7 15/16 in N/A 1 15/32 in N/A 544 N/A N/A V-200-A N/A 2-269
N/A 8 in N/A 1 15/32 in N/A 544 N/A N/A V-200-A N/A 2-269
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