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Transparent nitrile shaft seal ring with single lip and uncoated metal case

SKF

SKF 19768 Shaft Seal HM14 Nitrile 2 2-5/8 15/64

SKU CH-QJWC-7T9Z8

Rotary shaft seal with 2 in inside diameter, 2.625 in outside diameter and 15/64 in width

  • ColorTransparent
  • Width15/64"
  • SKF rotary shaft seal prevents fluid leakage with dual nitrile lips
  • HM14 design handles 10 psi pressure for reliable engine sealing
  • 999 mps surface speed rating suits high-speed rotating shafts
  • 2 inch inside diameter fits standard automotive shaft dimensions
  • Nitrile rubber construction resists oil and temperature extremes

SKF 19768 Nitrile Shaft Seal

The SKF 19768 is a nitrile rotary shaft seal built to the HM14 design code. It fits a two-inch shaft inside a 2.625-inch bore with an overall width of .234 inches. Mechanics and plant technicians use it to retain lubricant and exclude contaminants on rotating equipment.

Press-fit installation demands clean surfaces

Press the uncoated case squarely into the housing using a driver that contacts the outer edge only. A cocked start or a burred bore will distort the single nitrile lip and cause immediate leakage. Light oil on the lip eases entry and protects the sealing edge during the first rotation.

Suits low-pressure rotary shafts up to 10 psi

This seal handles surface speeds to 999 mps in standard inch-dimensioned gearboxes, pumps and motors. Buyers needing higher pressure ratings, dual-lip redundancy or a coated case for corrosion resistance should look at alternative designs.

Highlights

  • SKF rotary shaft seal prevents fluid leakage with dual nitrile lips
  • HM14 design handles 10 psi pressure for reliable engine sealing
  • 999 mps surface speed rating suits high-speed rotating shafts
  • 2 inch inside diameter fits standard automotive shaft dimensions
  • Nitrile rubber construction resists oil and temperature extremes

Specifications

BrandSKF
ColorTransparent
Width15/64"

Questions about this item

How do I confirm the 19768 shaft seal is seated correctly after installation?

After pressing the uncoated case into the bore, verify the nitrile lip sits evenly against the 2 in shaft with no visible gaps; the single dual-lip design should show uniform contact around the full circumference.

What comes with the SKF 19768 seal and what must I source separately?

The box contains one HM14 rotary shaft seal measuring 2 x 2.625 x .234 in; you will need to supply the correct installation driver or sleeve and any shaft-surface preparation materials.

Which HM14 nitrile seal dimensions match a 2 in shaft and 2.625 in bore?

Choose the 19768 variant — its 2 in inside diameter, 2.625 in outside diameter and 15/64 in width are the only combination in this series that fits those exact shaft and bore sizes.

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