Seals & O-Rings

Seals and O-rings are used to join two parts of a machine, engine or other mechanical assembly by filling the space between both parts, creating a filled and seal space in between. This seal prevents particle, vapour and fluid leakage to protect and maintain pressure whilst keeps debris out, ensuring proper function and safety. Seals and O-rings are used in various fields and industries including automotive, aerospace and general engineering.

How do seals and O-rings work?
A seal or O-ring is seated in a groove in one of the two parts to be joined then compressed between these two components to the corresponding groove creating a securely sealed joint. They can be used in dynamic joints where there is movement as well as in static or fixed applications.

Types of seals and O-rings
Seals and O-rings come in various materials suited to different purposes. Some have a high temperature tolerance for use in both hot and cold applications, while others are made to be chemically resistant for use in lab or test equipment. Available in a wide range of sizes both in single size packs or in seal and O-ring kits for general maintenance or when looking after a range of sealed part to ensure the correct size is available.

Seals and O-rings are typically made of elastomers like nitrile rubber and silicone, but they also come in plastics, metals and other materials. This variety of material allows for specific seal and O-rings to be used to ensure the best fitting and most reliable seal.

Sizes vary between seal and ring types both in diameter and thickness, these variations help provide an exact and precise seal to protect the joint. Both Metric and Imperial sizes are available to replace new and old seals and rings whether maintaining modern parts or older machines, engines and other mechanical parts.

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Description Price Inside Diameter Outside Diameter Thickness Type Material Minimum Operating Temperature Maximum Operating Temperature
RS Stock No. 129-044
BrandRS PRO
€7.62
1 Bag of 50
Bag(s)
9.25mm 12.7mm 1.78mm O-Ring Seal Fluorocarbon Elastomer -20°C +200°C
RS Stock No. 128-984
BrandRS PRO
€6.84
1 Bag of 50
Bag(s)
2.9mm 6.35mm 1.78mm O-Ring Seal Fluorocarbon Elastomer -20°C +200°C
RS Stock No. 129-038
BrandRS PRO
€7.19
1 Bag of 50
Bag(s)
7.65mm 11.11mm 1.78mm O-Ring Seal Fluorocarbon Elastomer -20°C +200°C
RS Stock No. 129-066
BrandRS PRO
€13.49
1 Bag of 50
Bag(s)
10.77mm 15.87mm 2.62mm O-Ring Seal Fluorocarbon Elastomer -20°C +200°C
RS Stock No. 129-016
BrandRS PRO
€6.30
1 Bag of 50
Bag(s)
5.28mm 8.73mm 1.78mm O-Ring Seal Fluorocarbon Elastomer -20°C +200°C
RS Stock No. 129-088
BrandRS PRO
€13.79
1 Bag of 50
Bag(s)
13.94mm 19.05mm 2.62mm O-Ring Seal Fluorocarbon Elastomer -20°C +200°C
RS Stock No. 129-072
BrandRS PRO
€13.79
1 Bag of 50
Bag(s)
12.37mm 17.46mm 2.62mm O-Ring Seal Fluorocarbon Elastomer -20°C +200°C
RS Stock No. 129-000
BrandRS PRO
€6.84
1 Bag of 50
Bag(s)
4.47mm 7.93mm 1.78mm O-Ring Seal Fluorocarbon Elastomer -20°C +200°C
RS Stock No. 129-101
BrandRS PRO
€15.82
1 Bag of 50
Bag(s)
17.12mm 22.22mm 2.62mm O-Ring Seal Fluorocarbon Elastomer -20°C +200°C
RS Stock No. 129-022
BrandRS PRO
€6.99
1 Bag of 50
Bag(s)
6.07mm 9.52mm 1.78mm O-Ring Seal Fluorocarbon Elastomer -20°C +200°C
RS Stock No. 129-094
BrandRS PRO
€14.82
1 Bag of 50
Bag(s)
15.54mm 20.63mm 2.62mm O-Ring Seal Fluorocarbon Elastomer -20°C +200°C
RS Stock No. 129-117
BrandRS PRO
€16.32
1 Bag of 50
Bag(s)
18.72mm 23.81mm 2.62mm O-Ring Seal Fluorocarbon Elastomer -20°C +200°C
RS Stock No. 128-990
BrandRS PRO
€6.84
1 Bag of 50
Bag(s)
3.68mm 7.14mm 1.78mm O-Ring Seal Fluorocarbon Elastomer -20°C +200°C
RS Stock No. 129-123
BrandRS PRO
€24.99
1 Bag of 50
Bag(s)
18.66mm 25.4mm 3.53mm O-Ring Seal Fluorocarbon Elastomer -20°C +200°C
RS Stock No. 129-050
BrandRS PRO
€12.56
1 Bag of 50
Bag(s)
9.19mm 3/8in 2.62mm O-Ring Seal Fluorocarbon Elastomer -20°C +200°C
RS Stock No. 255-3764
Mfr. Part No.772022
BrandPaulstra
€10.79
1 Bag of 2
Bag(s)
35mm 50mm 7mm Shaft Seal Fluorocarbon Elastomer -20°C +200°C