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O-Rings

Available25 products
O-rings help ensure a tight seal to prevent air and fluid leaks in many commercial and industrial applications.
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Round Viton O-Rings

Round Viton O-Rings

Viton O-rings resist a wide range of chemicals and high temperatures.

Nominal Width: 1/32 in Actual Width: 0.04 in

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Nominal Width: 3/64 in Actual Width: 0.05 in

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Actual Width: 0.056 in

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Nominal Width: 1/16 in Actual Width: 0.056 in

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Nominal Width: 1/16 in Actual Width: 0.06 in

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Nominal Width: 1/16 in Actual Width: 0.064 in

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Nominal Width: 1/16 in Actual Width: 0.07 in

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Nominal Width: 1/16 in Actual Width: 0.072 in

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Nominal Width: 1/16 in Actual Width: 0.078 in

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Nominal Width: 1/16 in Actual Width: 0.082 in

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Nominal Width: 1/16 in Actual Width: 0.087 in

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Nominal Width: 1/16 in Actual Width: 0.097 in

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Nominal Width: 1/16 in Actual Width: 0.116 in

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Nominal Width: 1/16 in Actual Width: 0.118 in

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Actual Width: 0.064 in

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Actual Width: 0.072 in

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Actual Width: 0.078 in

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Actual Width: 0.082 in

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Actual Width: 0.087 in

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Nominal Width: 3/32 in Actual Width: 0.097 in

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Nominal Width: 3/32 in Actual Width: 0.103 in

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Nominal Width: 3/32 in Actual Width: 0.118 in

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Nominal Width: 3/32 in Actual Width: 0.116 in

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Actual Width: 0.097 in

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Actual Width: 0.116 in

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Nominal Width: 1/8 in Actual Width: 0.116 in

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Nominal Width: 1/8 in Actual Width: 0.118 in

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Nominal Width: 1/8 in Actual Width: 0.139 in

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Nominal Width: 3/16 in Actual Width: 0.21 in

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Nominal Width: 1/4 in Actual Width: 0.275 in

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Round Buna N O-Rings

Round Buna N O-Rings
Buna-N (or nitrile) O-rings create multidirectional seals between two parts in power transmissions or hydraulic/pneumatic cylinders. Made in a round profile, they resist grease and oils, as well as mild chemicals and water.

Round Silicone O-Rings

Round Silicone O-Rings
Silicone round O-rings seal connections in high-temperature, static environments. These O-rings work best in dry heat, ozone areas, and when in contact with mineral oils.

Round EPDM O-Rings

Round EPDM O-Rings

These O-rings feature Ethylene Propylene Diene Monomer (EPDM) rubber construction. EPDM offers outstanding resistance to weather, heat, and ozone. It is also compatible with ketones, fireproof hydraulic fluids, alkalis, and water.

900 Series O-Rings feature a round cross-section.

Buna N and Viton® O-Rings can be used for sealing valves, faucets, flanges, engines, and more. Each features a round cross-section. Medium-hard.

FDA and NSF61 Compliant O-Rings feature a round cross section and medium hardness. They offer low-temperature flexibility with low gas permeability, and are resistant to ozone, weather, water, steam, diluted acids, and diluted alkalis. Black color. Durometer: 70 Shore A. Temp. range: -65° to 250°F.

Round PTFE O-Rings

Round PTFE O-Rings
PTFE O-Rings each feature a round cross-section design. PTFE operating temp.: -100° to 500°F

X Buna N O-Rings

X Buna N O-Rings
Quattro® Seal O-Rings feature 4 sealing surfaces to help reduce the amount of squeeze required to create a positive seal. They also help reduce friction and extend seal life. Black color. All conform dimensionally to AS568 O-ring sizes.

Round Neoprene O-Rings

Round Neoprene O-Rings
Neoprene O-Rings each feature a round cross-section design. Neoprene operating temp.: -40° to 275°F.

X Viton O-Rings

X Viton O-Rings

Viton helps provide superior resistance to permeation, extreme temperature, and a wide range of aggressive fluids. It also offers higher temperature and chemical resistance to Buna-N seals.

Round Viton ETP O-Rings

Round Viton ETP O-Rings

Viton® ETP O-Rings help provide superior resistance to permeation, extreme temperature, and a wide range of aggressive fluids. For severe environments. Round cross-section. Operating temp.: -10° to 400°F 75 durometer Shore A Black color.

Round FEP with Silicone Core O-Rings

Round FEP with Silicone Core O-Rings

These O-rings feature Fluorinated Ethylene Propylene (FEP) construction. FEP is resistant to corrosion and caustic agents. It has a melting point of 260 °C (500 °F). They also feature a silicone core. Silicone offers low thermal conductivity, toxicity, and chemical reactivity. It also resists damage from oxygen, ozone, and UV light.

Round FEP with Viton Core O-Rings

Round FEP with Viton Core O-Rings

These O-rings feature Fluorinated Ethylene Propylene (FEP) construction. FEP is resistant to corrosion and caustic agents. It has a melting point of 260 °C (500 °F). They also feature a viton core. Viton helps provide superior resistance to permeation, extreme temperature, and a wide range of aggressive fluids.

Round Polyurethane O-Rings

Round Polyurethane O-Rings
Polyurethane round O-rings wear well and resist abrasion in applications requiring rubber or plastic components. Known for strong sealing ability, these O-rings are used in line shaft conveyors, robotics, engravers, and tire manufacturing.

Square Viton O-Rings

Square Viton O-Rings
Square cross section O-rings have a large continuous sealing surface for a tighter seal in static applications. Viton has good resistance to a wide range of chemicals and high temperatures.

Round Soft FDA & 3A Silicone O-Rings

Round Soft FDA & 3A Silicone O-Rings
Soft formulation makes these round O-rings more compressible so that they conform better to surfaces and create a tighter seal. These food grade O-rings are 3A certified for use in food, beverage, and pharmaceutical applications. Silicone is resistant to high temperatures.

Round Soft FDA Viton O-Rings

Round Soft FDA Viton O-Rings
Soft formulation makes these round O-rings more compressible so that they conform better to surfaces and create a tighter seal. These food grade O-rings are commonly used in food, beverage, and pharmaceutical applications. Viton has good resistance to a wide range of chemicals and high temperatures.

Round HNBR O-Rings

Round HNBR O-Rings
HNBR round O-rings, or highly saturated nitrile, resist oils, mild chemicals, and water. They are more heat and abrasion resistant than Buna-N.

Round Soft Buna-N O-Rings

Round Soft Buna-N O-Rings
Soft formulation makes these round O-rings more compressible so that they conform better to surfaces and create a tighter seal. Buna-N is suitable for a broad range of fluids including oils, water, and mild chemicals.

Round Clean Room Buna-N O-Rings

Round Clean Room Buna-N O-Rings
These round food-grade O-rings are cleaned and bagged in an ISO Class 7 (10,000) clean room to remove direct, bacteria, and surface particles. Buna-N is suitable for a broad range of fluids including oils, water, and mild chemicals.

Round Internally Lubricated Buna-N O-Rings

Round Internally Lubricated Buna-N O-Rings
Graphite filler serves as an internal lubricant, making for easier installation and reducing wear to extend seal life. These round O-rings do not stick to moving parts and are designed for use in start-stop applications

Round Kalrez 6230 O-Rings

Round Kalrez 6230 O-Rings
Kalrez 6230 is a food- and medical-grade round O-ring useful when high purity is needed. They are made of FDA-listed materials and are 3-A and USP VI certified. Like other Kalrez O-rings, these seals also resist harsh chemicals and extreme temperatures.

Round Kalrez 4079 O-Rings

Round Kalrez 4079 O-Rings
Kalrez 4079 O-rings are black, low-compression seals for dry and wet semiconductor process environments. They offer strong chemical resistance and thermal stability.
Note: Product availability is real-time basis and adjusted continuously. The product will be reserved for you when you complete your order.