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Small transparent rubber ring with metal spring visible inside

SKF

SKF 13585 Shaft Seal 1.375 x 2.062 x .313 in CRW1 NBR

SKU CH-WJ9V-28G2G

Rotary shaft seal with 1.375 in inner diameter, 2.062 in outer diameter and .313 in width for oil and grease retention

  • ColorTransparent
  • Reliable sealing for rotating shafts up to 3,480 RPM
  • Nitrile rubber lip resists oil, fuel, grease and hot water
  • Single spring-loaded lip maintains contact at 10 psi max pressure
  • Acrylic-coated case protects against corrosion in harsh fluids
  • Precise 1.375 in ID, 2.062 in OD, 0.313 in width fitment

SKF 13585 Shaft Seal Specifications

The SKF 13585 is a rotary shaft seal designed for engine and machinery applications requiring reliable fluid containment. It suits maintenance technicians and equipment builders who need a standard inch-dimension seal with a single nitrile rubber lip. The CRW1 design incorporates a carbon steel spring to maintain consistent lip pressure against the shaft surface.

Capacity and Pressure Limits

This seal handles maximum pressures up to 10 psi and rotational speeds up to 3,480 RPM with a surface speed limit of 6.38 mps. It provides effective sealing for animal and vegetable oils, diesel, gasoline, greases, hot water, light heating oil and mineral oils. The acrylic-coated case aids installation and corrosion resistance. Applications exceeding the pressure or speed ratings will require a different sealing solution.

Upgrade Context and Fit

The seal replaces worn or leaking units with identical 1.375 in inside diameter, 2.062 in outside diameter and 0.313 in width dimensions. The jump is worthwhile when the existing seal shows lip wear, spring fatigue or fluid compatibility issues. It is not suited for environments needing double-lip exclusion, higher pressure ratings or metric dimension standards.

Highlights

  • Reliable sealing for rotating shafts up to 3,480 RPM
  • Nitrile rubber lip resists oil, fuel, grease and hot water
  • Single spring-loaded lip maintains contact at 10 psi max pressure
  • Acrylic-coated case protects against corrosion in harsh fluids
  • Precise 1.375 in ID, 2.062 in OD, 0.313 in width fitment

Specifications

BrandSKF
ColorTransparent

Questions about this item

Will the 1.375 in inside diameter fit the existing shaft on my older engine?

The seal is manufactured to a 1.375 in inside diameter and a 2.062 in outside diameter; verify your shaft and housing dimensions match these figures before installation.

How can I confirm the CRW1 seal is seated correctly after pressing it in?

After installation the single nitrile lip should sit uniformly against the shaft with the carbon-steel garter spring visible behind the lip, and the acrylic-coated case should be flush with the housing bore.

Does the box include any installation lubricant or driver tool, or must I buy them separately?

The package contains only the SKF 13585 rotary shaft seal; installation lubricant compatible with nitrile rubber and a suitable seal driver must be sourced separately.

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