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SKF 14855 shaft seal, 1.5 in ID, 2 in OD, .313 in wide, translucent nitrile rubber with metal case

SKF

SKF 14855 Shaft Seal 1.5 in ID 2 in OD .313 in CRW1 Nitrile

SKU CH-0MVX-86DWA

Rotary shaft seal with 1.5 in ID, 2 in OD and .313 in width handles oils, fuels and greases up to 3,360 RPM

  • ColorTransparent
  • Reliable sealing with 1.5 in inside diameter
  • Durable nitrile lip handles 10 psi pressure
  • CRW1 design suits 3,360 RPM shafts
  • Single lip with carbon-steel spring for positive contact
  • Compatible with oils, fuels, greases and hot water

Shaft Seal for Rotary Applications

This SKF 14855 rotary shaft seal fits a 1.5 in shaft inside a 2 in bore with a .313 in overall width. The CRW1 design uses a single nitrile rubber lip and a carbon steel spring to retain lubricants and exclude contaminants in engines and gearboxes. It is rated for 10 psi maximum pressure and 3,360 RPM maximum rotational speed.

Mechanics Sealing Oil and Grease

The nitrile lip handles mineral oils, gasoline, diesel, greases, animal and vegetable oils, and hot water up to a surface speed of 6.74 mps. An acrylic case coating aids installation and corrosion resistance. Builders needing higher pressure ratings, double-lip designs, or larger shaft diameters should select a different seal profile.

Capacity and Operating Limits

The seal comfortably handles standard lubrication duties at speeds up to 3,360 RPM and pressures up to 10 psi. At higher speeds the 6.74 mps surface speed limit is reached, and beyond 10 psi the single lip may extrude or wear prematurely. Continuous operation at the absolute limits reduces service life.

Highlights

  • Reliable sealing with 1.5 in inside diameter
  • Durable nitrile lip handles 10 psi pressure
  • CRW1 design suits 3,360 RPM shafts
  • Single lip with carbon-steel spring for positive contact
  • Compatible with oils, fuels, greases and hot water

Specifications

BrandSKF
ColorTransparent

Questions about this item

What shaft diameter and housing bore must I already have for the 14855 seal to fit?

The seal requires a 1.5 in shaft and a 2 in housing bore to seat correctly.

Will the nitrile lip and carbon-steel spring hold up if the shaft runs at 3,360 RPM with mineral oil?

Yes — the CRW1 design is rated for 3,360 RPM and compatible with mineral oils, diesel, gasoline and greases.

How can I confirm the seal is working once it is installed?

Verify no fluid leaks past the lip at up to 10 psi and that the shaft turns freely without overheating.

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