Inch DUSTAC™ Shaft Seal On The Timken Company

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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

DV-37	N/A 2 7/16 in	N/A 59/64 in	N/A 515	N/A 615	N/A V-60-A	N/A 2-232
DV-44	N/A 2 11/16 in	N/A 59/64 in	N/A 516	N/A 616	N/A V-65-A	N/A 2-235
DV-53	N/A 2 15/16 in	N/A 1 in	N/A 517	N/A	N/A V-75-A	N/A 2-237
DV-69	N/A 3 3/16 in	N/A 1 in	N/A 518	N/A	N/A V-80-A	N/A 2-241
DV-102	N/A 3 7/16 in	N/A 1 in	N/A 520	N/A 620	N/A V-85-A	N/A 2-242
DV-109	N/A 3 15/16 in	N/A 1 in	N/A 522	N/A 622	N/A V-100-A	N/A 2-246
DV-113	N/A 4 3/16 in	N/A 1 1/16 in	N/A 524	N/A 624	N/A V-110-A	N/A 2-248
DV-117	N/A 4 7/16 in	N/A 1 1/16 in	N/A 526	N/A 626	N/A V-110-A	N/A 2-250
DV-118	N/A 4 1/2 in	N/A 1 1/16 in	N/A 526	N/A 626	N/A V-110-A	N/A 2-250
DV-122	N/A 4 15/16 in	N/A 1 1/16 in	N/A 528	N/A 628	N/A V-130-A	N/A 2-254
DV-125	N/A 5 3/16 in	N/A 1 1/16 in	N/A 530	N/A 630	N/A V-130-A	N/A 2-257
DV-127	N/A 5 5/16 in	N/A 1 1/16 in	N/A	N/A	N/A V-130-A	N/A 2-257
DV-130	N/A 5 7/16 in	N/A 1 1/16 in	N/A 532	N/A 632	N/A V-140-A	N/A 2-259
DV-140	N/A 5 15/16 in	N/A 1 1/16 in	N/A 534	N/A 634	N/A V-150-A	N/A 2-261
DV-141	N/A 6 in	N/A 1 1/16 in	N/A 534	N/A 634	N/A V-150-A	N/A 2-261
DV-148	N/A 6 7/16 in	N/A 1 9/64 in	N/A 536	N/A 636	N/A V-160-A	N/A 2-263
DV-149	N/A 6 1/2 in	N/A 1 9/64 in	N/A 536	N/A	N/A V-170-A	N/A 2-263
DV-155	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
DV-156	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
DV-159	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
DV-167	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
DV-168	N/A 8 in	N/A 1 15/32 in	N/A 544	N/A	N/A V-200-A	N/A 2-269
DV-530	N/A 9 in	N/A 1 15/32 in	N/A	N/A	N/A V-220-A	N/A 2-265
DV-178	N/A 9 1/2 in	N/A 1 15/32 in	N/A	N/A	N/A V-250-A	N/A 2-274
DV-705	N/A 10 in	N/A 1 3/4 in	N/A	N/A	N/A V-275-A	N/A 2-372

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2 7/16
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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