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Transparent nitrile shaft seal CRW1 with carbon steel spring, 1.625 in ID x 2.125 in OD x .25 in wide

SKF

SKF 16054 Shaft Seal CRW1 Nitrile 1.625 x 2.125 x .25 in

SKU CH-YC45-QWV0F

Rotary shaft seal with nitrile lip, 1.625 in inside and 2.125 in outside diameter, handles 10 psi and 3,240 RPM

  • ColorTransparent
  • Precision fit for 1.625 in shaft diameter
  • Reliable sealing with nitrile rubber lip material
  • Handles up to 3,240 RPM rotational speed
  • Compatible with gasoline, diesel and mineral oils
  • Spring-loaded carbon steel lip maintains consistent contact

SKF 16054 Rotary Shaft Seal

The SKF 16054 is a CRW1-design rotary shaft seal built for engines and rotating equipment. Its nitrile rubber lip handles animal and vegetable oils, diesel, gasoline, greases, hot water, light heating oil and mineral oils. Mechanics and maintenance teams use it to retain lubricant and exclude contamination on shafts measuring 1.625 in inside diameter.

Critical fit: 1.625 in shaft diameter

The single specification that decides fit is the 1.625 in inside diameter matched to a 2.125 in outside diameter and .25 in overall width. The single-lip, spring-loaded design with carbon-steel spring and acrylic-coated case seals at up to 10 psi. Verify shaft size and housing bore before ordering; no other dimension compensates for a mismatch.

Sustained operation at 3,240 RPM

Under continuous rotation the seal is rated for 3,240 RPM and a maximum surface speed of 7.06 mps. The nitrile lip and carbon-steel garter spring maintain contact pressure over long runs, while the acrylic case coating resists bore corrosion. Performance holds within the stated pressure and fluid-compatibility limits for extended duty cycles.

Highlights

  • Precision fit for 1.625 in shaft diameter
  • Reliable sealing with nitrile rubber lip material
  • Handles up to 3,240 RPM rotational speed
  • Compatible with gasoline, diesel and mineral oils
  • Spring-loaded carbon steel lip maintains consistent contact

Specifications

BrandSKF
ColorTransparent

Questions about this item

What does the 1.625 in inside diameter mean when I install this seal?

It matches a 1-5/8 inch shaft so the single nitrile lip rides directly on that surface with the carbon-steel spring holding it in place.

What does the 10 psi pressure limit cap in practice?

It restricts the seal to low-pressure rotary duties such as splash-lubricated gearboxes or pump housings; higher pressures will push the lip off the shaft.

What bore and shaft dimensions does the 2.125 x 1.625 x .25 in size need to fit?

Press the 2.125 in outside diameter into a 2-1/8 in bore; the 1.625 in inside diameter seals on a 1-5/8 in shaft with .25 in axial space.

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