Oil Seals | Radial Shaft Seals

Oil seals, radial shaft seals or Simmerrings® have been designed for sealing shafts and spindles. Oil seals are one of the most frequently used rotary shaft seals. They separate oil or grease on the inside from dirt, dust and/or water on the outside. Most commonly, Oil-seals consist of a rubber sealing lip, a metal housing and a helical tensioned spring.

NewDealSeals supplies various types of oil seals, both with and without dust lip, in accordance with DIN3760/3761 and ISO 6194. Standard available in NBR/Steel and FKM/Stainless steel. Besides the standardised sizes, NewDealSeals also designs special and custom oil-seals.

Industrial Applications

 

  1. Power transmission
  2. Oil refineries
  3. Off-highway
  4. Manufacturing
  5. Automotive

How do Oil seals work?

The common radial oil seals works by creating a thin layer of oil between the rubber sealing lip and the shaft which results in the oil lifting the sealing lip clear of the shaft. This thin layer of oil performs a barrier and prevents leakage of the oil past the sealing lip. For this reason rubber oil seals are not suitable for dry running applications or high pressure.

Technical Specifications

*Each type (profile) has a specific operating pressure and surface speed. Contact our experts for more info.

Movement type

Dynamic reciprocating, dynamic rotating

Surface speed

≤ 30 m/s

Pressure

≤ 5 bar (Most types <0.5 bar)

Temperature range

NBR:-40° to +108° C

FKM:-25° to +204° C

Available materials

Seal:NBR, FKM, MVQ, ACM

Spring:Carbon steel, Stainless steel

Housing:Carbon steel, Stainless steel

Available standards

DIN3760 / 3761 and ISO 6194

Oil Seal Types | Profiles

Type A

The type A shaft seal according to DIN3760 is the most commonly used oil seal for low pressure radial sealing. The rubber covered housing provides good sealing capacity even with rough housing bores.

Type AS

The type AS shaft seal according to DIN3760 is the second most commonly used oil seal for low pressure radial sealing. The rubber covered housing provides good sealing capacity even with rough housing bores. In addition to the A type, the AS has an extra lip for excluding dust.

Type AO

The type AO shaft seal is the light/economical version of the most common type A oil seal. Suitable for light duty rotary shaft sealing. The rubber covered housing provides good sealing capacity even with rough housing bores.

Type AS-P

The rubber covered housing provides good sealing capacity even with rough housing bores. In addition to the A type, the AS-P has an extra lip for excluding dust and an reinforced sealing lip for pressures up to 2 BAR.
TYPE

Type AS-PX

The rubber covered housing provides good sealing capacity even with rough housing bores. In addition to the A type, the AS-P has an extra lip for excluding dust and an metal reinforced sealing lip for pressures up to 5 BAR.

Type B

The Type B shaft seal has a steel/metal outer case. Not recommended in applications where housing bore roughness and tolerances are imperfect or where thermal expansion of the housing is expected.

Type BS

The Type BS shaft seal has a steel/metal outer case. Not recommended in applications where housing bore roughness and tolerances are imperfect or where thermal expansion of the housing is expected. In addition to the B type, this seal also has an extra lip to exclude dust.

Type BO

The type BO shaft seal is the light/economical version of the type B oil seal. Suitable for light duty rotary shaft sealing. The Type BO shaft seal has a steel/metal outer case. Not recommended in applications where housing bore roughness and tolerances are imperfect or where thermal expansion of the housing is expected.

Type C

The Type C oil seal has an extra steel/metal reinforced housing. For improved structural stability. Not recommended in applications where housing bore roughness and tolerances are imperfect or where thermal expansion of the housing is expected.

Type CS

The Type CS oil seal has an extra steel/metal reinforced housing. In addition to the C type, this seal also has an extra lip to exclude dust. Not recommended in applications where housing bore roughness and tolerances are imperfect or where thermal expansion of the housing is expected.

Type CO

The type CO shaft seal is the light/economical version of the type CO oil seal. Suitable for light duty rotary shaft sealing. The Type CO oil seal has an extra steel/metal reinforced housing. Not recommended in applications where housing bore roughness and tolerances are imperfect or where thermal expansion of the housing is expected.

Type A-DUO

The radial shaft seal for sealing dual fluids. The dual lips with garter springs prevent contamination/mixing between the two fluids

Contact Us

We believe in the quality of our products and service. Fill out the form and one of our skilled engineers will contact you within the next business day.

Contact details

  •  +31 (0) 226 362 233
  •  info@newdealseals.com
  •  Energiestraat 2-5, 1749DN Warmenhuizen, Nederland

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