We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in

SKF

SKF 17387 Shaft Seal 1.75 x 2.502 x .313 in

SKU CH-1X7T-Z7B78

Rotary shaft seal with 1.75 in inside diameter, 2.502 in outside diameter and .313 in width for oils, greases and fuels up to 3,180 RPM

  • ColorTransparent
  • Width5/16"
  • Reliable sealing for oils and fuels with nitrile rubber lips
  • Dual-lip design with carbon-steel spring maintains contact at 180 RPM
  • Handles up to 10 psi pressure in rotary applications
  • Operates at surface speeds up to 7.36 mps
  • Fits 1.75 in shaft and 2.502 in bore with .313 in width

Seal Specifications

The SKF 17387 rotary shaft seal fits a 1.75 in shaft with a 2.502 in housing bore. Its .313 in width and CRWA1 design suit industrial or automotive equipment requiring a two-lip nitrile rubber contact seal.

Fitment Checks

Confirm the shaft diameter is exactly 1.75 in and the bore measures 2.502 in before ordering. Verify the application runs within 3,180 RPM and 10 psi pressure limits and uses a fluid compatible with nitrile rubber such as mineral oils or gasoline.

Included Benefits

The carbon steel spring maintains consistent lip contact while the acrylic case coating eases installation and resists corrosion. These features extend seal life in eligible fluids without requiring additional components or coatings.

Highlights

  • Reliable sealing for oils and fuels with nitrile rubber lips
  • Dual-lip design with carbon-steel spring maintains contact at 180 RPM
  • Handles up to 10 psi pressure in rotary applications
  • Operates at surface speeds up to 7.36 mps
  • Fits 1.75 in shaft and 2.502 in bore with .313 in width

Specifications

BrandSKF
ColorTransparent
Width5/16"

Questions about this item

What comes in the box with the SKF 17387 shaft seal?

The box contains the SKF 17387 rotary shaft seal with a 1.75 in inside diameter, 2.502 in outside diameter and .313 in width.

Which size of the SKF 17387 seal should I choose for a 1.75 in shaft?

The SKF 17387 is a single size: 1.75 in inside diameter, 2.502 in outside diameter and .313 in width, so it fits a 1.75 in shaft.

What does the 3,180 RPM rating mean once the seal is installed?

It means the seal is designed to handle shaft speeds up to 3,180 RPM without exceeding its 7.36 mps surface speed limit.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.