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  • 15x26x7mm Nitrile Rubber Rotary Shaft Oil Seal with Garter Spring R21 / SC
  • 15x26x7mm Nitrile Rubber Rotary Shaft Oil Seal with Garter Spring R21 / SC
15x26x7mm Nitrile Rubber Rotary Shaft Oil Seal with Garter Spring R21 / SC
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15x26x7mm Nitrile Rubber Rotary Shaft Oil Seal with Garter Spring R21 / SC

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Oil Seals: Designed to aid trouble-free operation of your equipment, providing an excellent barrier against the escape of oils and greases and preventing the ingress of foreign matter.
Benefits: Excellent wear resistance, good running properties, high resistance to chemicals and petroleum based fuels including petrol, diesel and LPG.

Brand / Quality: Simply NBR Seals - High Quality
Inside Diameter: 15mm
Outside Diameter: 26mm
Width: 7mm
Shaft Size not Inside Diameter (d)
=
15mm
Outside Diameter (D)
=
26mm
Width (b)
=
7mm
Oil Seals
An oil seal normally consists of three basic components: The Sealing Element (the nitrile rubber part), the Metal Case, and the Spring. It is a widely used sealing component. The function of a seal is to prevent the leakage of medium along the moving parts. This is mainly achieved by the sealing element. Nitrile Rubber (NBR)
NBR is the most commonly used seal material. It has good heat resistance properties, good resistance to oils, salt solutions, hydraulic oils, and gasoline. Operation temperatures are recommended from -40deg C to 120deg C. It also functions well under dry environment, but only for intermittent periods.
R21 / SC design cross section

Cross section of an R21 / SC style oil seal.

This is a single sealing lip seal arrangement.

Construction
The seal cases are made from SAE 1008-1010 Carbon Steel and are often coated in a very thin layer of Nitrile rubber to assist sealing in the housing.
The principle function of the metal case is to impart rigidity and strength to the seal.
The spring is made from SAE 1050-1095 Carbon Spring Steel which has a protective zinc coating.
The principle function of the spring is to maintain an even gripping pressure around the shaft

Viton Chemical Resistance

  • Benjamin Mata, United Kingdom 19/12/2019

    5 of 5 Stars!
    I called at your trade counter to source some replacement oil seals which were very badly damaged . Although they were extremely distorted the young lady was very methodical and thorough in identifying the correct replacements but above all she was polite and patient. A very good experience indeed.

  • Koen Garner, United Kingdom 19/12/2019

    5 of 5 Stars!
    High quality service, high quality oil seals.

  • Alexander Fitzpatrick, United Kingdom 19/12/2019

    5 of 5 Stars!
    Lovely chat with one of the sales team colleagues. Really helpful and got me my oil seals.

  • Armando Gamble, United Kingdom 26/09/2019

    5 of 5 Stars!
    Thanks for getting my oil seals to me so fast

  • Maxwell Long, United Kingdom 27/08/2015

    5 of 5 Stars!
    Great quality and great service what more could I ask for. Thank you.

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15x26x7mm Nitrile Rubber Rotary Shaft Oil Seal with Garter Spring R21 / SC
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Brands

Simply bearings are the UK's largest online retailer of bearings, seals, belts, chains, sprockets, lubricants and other associated power transmission equipment.
Simply Bearings Ltd, Halton House, Greenfold Way, Leigh
Greater Manchester
WN7 3XJ
United kingdom

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