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MASUOKA O-Rings

O-Rings products in the Automation Components category from MASUOKA. The product can be selected based on many product specifications such as Inner Dia. d, Wire Dia. W, Type, Material, Environment, Applications. MASUOKA offers products around 8 items and the product specifications can easily be compared. Search and select detailed specifications of parts for your machine with free CAD downloads. MASUOKA products are available to order through MISUMI online 24 hours a day. Free shipping, no minimum order.
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  • You can add up to 6 items per a category to the compare list.
    Sale
    O Ring JIS B 2401 P for Movement
    Until 31/03/2025
    Sale
    Until 31/03/2025

    O Ring JIS B 2401 P for Movement

    MASUOKA

    O Ring JIS B 2401 G for Fixing
    The O Ring is a commonly employed sealing component found in automation machines across a wide range of industries.
    [Feature]
    ● Inner Diameter Minimum/ Maximum (mm.) : 4.8 to 169.5
    ● Thickness (mm.) : 1.9, 2.4, 3.5, 5.7 and 8.4
    ● Applications Environment : Heat/Cold Resistant or Mineral Oil Resistant
    ● Material : Nitrile Rubber, Silicone Rubber and Fluoro Rubber
    ● Material Code JIS : Class 4C, Class 4D, A Type A and A Type B
    [Application]
    O-rings are utilized across multiple industries to prevent the leakage of fluids or gases between moving two components
    From: ฿ 3.05
    Special Price
    Days to Ship: day to ship Same day
    day to ship Same day
  • You can add up to 6 items per a category to the compare list.
    Sale
    O Ring JIS B 2401 G for Fixing
    Until 31/03/2025
    Sale
    Until 31/03/2025

    O Ring JIS B 2401 G for Fixing

    MASUOKA

    O Ring JIS B 2401 G for Fixing
    The O Ring is a commonly employed sealing component found in automation machines across a wide range of industries.
    [Feature]
    ● Inner Diameter Minimum/ Maximum (mm.) : 24.4 to 299.3
    ● Thickness (mm.) : 3.1 and 5.7
    ● Applications Environment : Heat/Cold Resistant or Mineral Oil Resistant
    ● Material : Nitrile Rubber, Silicone Rubber and Fluoro Rubber
    ● Material Code JIS : Class 4C, Class 4D and A Type A
    [Application]
    O-rings are utilized across multiple industries to prevent the leakage of fluids or gases between Fixed two components
    From: ฿ 10.11
    Special Price
    Days to Ship: day to ship Same day
    day to ship Same day
  • You can add up to 6 items per a category to the compare list.
    Sale
    O-Ring, JIS B 2401 V (for Vacuum Flange)
    Until 31/03/2025
    Sale
    Until 31/03/2025

    O-Ring, JIS B 2401 V (for Vacuum Flange)

    MASUOKA

    O-Ring, JIS B 2401 V (for Vacuum Flange)
    The O Ring is a commonly employed sealing component found in automation machines across a wide range of industries.
    [Feature]
    ● Inner Diameter Minimum/ Maximum (mm.) : 23.5 to 173
    ● Thickness (mm.) : 4
    ● Applications Environment : Heat/Cold Resistant or Mineral Oil Resistant
    ● Material : Nitrile Rubber, Silicone Rubber and Fluoro Rubber
    ● Material Code JIS : Class 4C, Class 4D and A Type A
    [Application]
    O-rings are utilized across multiple industries to prevent the leakage of fluids or gases for vacuum flange
    From: ฿ 10.69
    Special Price
    Days to Ship: day to ship Same day
    day to ship Same day
  • You can add up to 6 items per a category to the compare list.
    Sale
    O-ring for SM fastening
    Until 31/03/2025
    O-ring for SM fastening
    O-ring for SM fastening
    Sale
    Until 31/03/2025

    O-ring for SM fastening

    MASUOKA

    O-ring for SM fastening
    The O Ring is a commonly employed sealing component found in automation machines across a wide range of industries.
    [Feature]
    ● Inner Diameter (mm.) : 4.5, 41.5 and 99.5
    ● Thickness (mm.) : 1.5 and 2
    ● Applications Environment : Heat Resistant or Cold Resistant
    ● Material : Silicone Rubber
    ● Material Code JIS : Class 4C and Class 4D
    [Application]
    O-rings are utilized across multiple industries to prevent the leakage of fluids or gases between two components
    From: ฿ 7.64
    Special Price
    Days to Ship: day to ship Same day
    day to ship Same day
  • You can add up to 6 items per a category to the compare list.
    O-ring AS 568A
    O-ring AS 568A
    O-ring AS 568A

    O-ring AS 568A

    MASUOKA

    Silicone rubber (4C) is red.
    From: ฿ 12.72
    Days to Ship: day to ship 3 Day(s)
    day to ship 3 Day(s)
  • You can add up to 6 items per a category to the compare list.
    O-ring Mini Y Packing

    O-ring Mini Y Packing

    MASUOKA

    Packing seal for lot, piston, and cylinder packing. Insert type, so fits into o-ring gland dimensions with no need for precision and no leakage. Very mild start-up friction resistance.
    From: ฿ 26.61
    Days to Ship: day to ship 3 Day(s)
    day to ship 3 Day(s)
  • You can add up to 6 items per a category to the compare list.
    O-Ring JASO (Standards for Vehicles) for Operating or Fixing F404

    O-Ring JASO (Standards for Vehicles) for Operating or Fixing F404

    MASUOKA

    O-Ring JASO (Standards for Vehicles) for Operating or Fixing F404
    The O Ring is a commonly employed sealing component found in automation machines across a wide range of industries.
    [Feature]
    ● Inner Diameter (mm.) : 12.3, 15.8 and 18.8
    ● Thickness (mm.) : 1.9
    ● Applications Environment : Heat Resistant or Mineral Oil Resistant
    ● Material : Nitrile Rubber and Fluoro Rubber
    ● Material Code JIS : Class 4D and A Type A
    [Application]
    O-rings are utilized across multiple industries to prevent the leakage of fluids or gases between Fixed two components
    From: ฿ 14.01
    Days to Ship: day to ship Same day
    day to ship Same day
  • You can add up to 6 items per a category to the compare list.
    Flange Gasket for Vacuum

    Flange Gasket for Vacuum

    MASUOKA

    O-rings for vacuum flange
    The O Ring is a commonly employed sealing component found in automation machines across a wide range of industries.
    [Feature]
    ● Inner Diameter (mm.) : 40
    ● Outer Diameter (mm.) : 50
    ● Applications Environment : For Heat Resistant
    ● Hardness : 70
    ● Material Code JIS : Class 4 D
    [Application]
    O-rings are utilized across multiple industries to prevent the leakage of fluids or gases for vacuum flange
    From: ฿ 367.74
    Days to Ship: day to ship Quote
    day to ship Quote
Brand
Product Series
From
Days to Ship
Inner Dia. d(Ø)
Wire Dia. W(mm)
Type
Material
Environment, Applications
You can add up to 6 items per a category to the compare list.
Sale
O Ring JIS B 2401 P for Movement
Until 31/03/2025
You can add up to 6 items per a category to the compare list.
Sale
O Ring JIS B 2401 G for Fixing
Until 31/03/2025
You can add up to 6 items per a category to the compare list.
Sale
O-Ring, JIS B 2401 V (for Vacuum Flange)
Until 31/03/2025
You can add up to 6 items per a category to the compare list.
Sale
O-ring for SM fastening
Until 31/03/2025
O-ring for SM fastening
O-ring for SM fastening
You can add up to 6 items per a category to the compare list.
O-ring AS 568A
O-ring AS 568A
O-ring AS 568A
You can add up to 6 items per a category to the compare list.
O-ring Mini Y Packing
You can add up to 6 items per a category to the compare list.
O-Ring JASO (Standards for Vehicles) for Operating or Fixing F404
You can add up to 6 items per a category to the compare list.
Flange Gasket for Vacuum
Brand

MASUOKA

MASUOKA

MASUOKA

MASUOKA

MASUOKA

MASUOKA

MASUOKA

MASUOKA

Product Series

O Ring JIS B 2401 P for Movement

O Ring JIS B 2401 G for Fixing

O-Ring, JIS B 2401 V (for Vacuum Flange)

O-ring for SM fastening

O-ring AS 568A

O-ring Mini Y Packing

O-Ring JASO (Standards for Vehicles) for Operating or Fixing F404

Flange Gasket for Vacuum

From

฿ 3.05

Special Price

On Sale Until 31/03/2025

฿ 10.11

Special Price

On Sale Until 31/03/2025

฿ 10.69

Special Price

On Sale Until 31/03/2025

฿ 7.64

Special Price

On Sale Until 31/03/2025

฿ 12.72

฿ 26.61

฿ 14.01

฿ 367.74

Days to Ship Same day Same day Same day Same day 3 Day(s) 3 Day(s) Same day Quote
Inner Dia. d(Ø)4.8 ~ 169.524.4 ~ 299.323.5 ~ 1734.5 ~ 99.51.07 ~ 82.27 ~ 1415.8 ~ 18.840
Wire Dia. W(mm)1.9 ~ 8.43.1 ~ 5.741.5 ~ 21.27 ~ 2.62-1.9-
TypeP (For Mounting, Dynamic)G (For Mounting)V (For Vacuum Flanges)S (for Low Voltage Mounting)AS (For Mounting)OthersJASO (For Mounting, Dynamic)V (For Vacuum Flanges)
MaterialNitrile Rubber / Silicon Rubber / Fluoro RubberNitrile Rubber / Silicon Rubber / Fluoro RubberNitrile Rubber / Silicon Rubber / Fluoro RubberSilicon Rubber-Nitrile RubberNitrile Rubber / Fluoro Rubber-
Environment, ApplicationsMineral Oil Resistant / Heat Resistant / Cold ResistantMineral Oil Resistant / Heat Resistant / Cold ResistantMineral Oil Resistant / Heat Resistant / Cold ResistantHeat Resistant / Cold ResistantHeat ResistantMineral Oil Resistant / Heat ResistantMineral Oil Resistant / Heat ResistantHeat Resistant

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  1. 1

Application example related to this category

Related Categories to O-Rings

FAQ O-Ring

Question: What are the main applications of O-rings?
Answer: O-rings have several key applications across various industries. Here are their main uses:
1. Hydraulics and Pneumatics: O-rings find extensive use in hydraulic and pneumatic systems. They seal fittings, connectors, and control valves, maintaining pressure integrity and preventing leaks in these systems.
2. Automotive Industry: O-rings play a crucial role in automotive applications, including engines, fuel systems, brake systems, and air conditioning systems. They provide effective sealing to prevent fluid leaks,
leaks.
3. Industrial Machinery: O-rings are widely utilized in manufacturing and machinery, such as pumps, compressors, valves, and cylinders. They seal these components, preventing leakage and ensuring efficient operation.
4. Medical Equipment: O-rings are utilized in medical devices like syringes, catheters, and pumps.
5. Plumbing and Water Systems: O-rings are commonly found in plumbing fittings, faucets, and valves.
Question: How do I select the right O-ring size for my application?
Answer: To select the right O-ring size for your application, you need to consider the following factors:
1. Inner Diameter (ID) and Outer Diameter (OD): The ID of the O-ring should match the groove diameter, and the OD should be slightly larger to ensure proper sealing.
2. Cross-Sectional Diameter or thickness of O-ring : It should be compatible with the groove's width or depth to provide an adequate seal.
3. Material : Consider the material of the O-ring to ensure compatibility with the fluid or gas in your application. Different materials have varying chemical resistance, temperature tolerance, and physical properties.
4. Compression and Stretch: Determine the compression and stretch limits of the O-ring material to ensure it can adequately seal the mating surfaces without being overcompressed or overstretched.
5. Standards and Guidelines: Consult industry standards, such as AS568 (for inch sizes) or ISO 3601 (for metric sizes), to understand the standard sizes available and their corresponding tolerances.
6. Consider O-ring Sizing Guides: O-ring manufacturers often provide sizing guides or calculators that help select the appropriate O-ring size based on application parameters.
Question: Is an O-ring a gasket? Can I replace O-ring with gasket?
Answer: Yes, an O-ring is a type of gasket.
Yes with condition, an O-ring can be considered a type of gasket. Both O-rings and gaskets are used for sealing applications to prevent fluid or gas leakage. However, O-rings have a specific circular shape look like a doughnut while gaskets come in various shapes and designs.
In some cases, an O-ring can be replaced with a gasket depending on the application. However, it is essential to consider factors such as size, shape, material compatibility, and the specific sealing requirements of the application. Consulting with the equipment manufacturer or a sealing specialist can help determine the most suitable replacement option.
Question: How often should O-rings be replaced?
Answer: The frequency of O-ring replacement varies based on factors like application, operating conditions, and material type. Here are some general guidelines:
1. Visual Inspection: Regularly inspect O-rings for wear, damage, or deformation. Replace if tears or flattening are observed.
2. Leakage: If there is noticeable fluid or gas leakage, consider replacing the O-ring.
3. Age and Service Life: Follow manufacturer's recommendations or industry standards for the expected service life of the O-ring material.
4. Maintenance Schedule: Adhere to the equipment manufacturer's maintenance plan, which may include periodic O-ring replacement as preventive maintenance.
5. Environmental Factors: Consider temperature extremes, chemical exposure, and high-pressure environments, which can accelerate O-ring deterioration and require more frequent replacement.
Question: Do O-rings need to be lubricated?
Answer: Yes, O-rings typically require lubrication for optimal performance. Lubrication helps reduce friction between the O-ring and the surfaces it contacts, extending its lifespan and improving sealing efficiency. The lubricant acts as a barrier, preventing excessive wear and ensuring smooth movement. It is important to select a compatible lubricant that suits the application's temperature range and the O-ring material. While some O-ring materials are self-lubricating, lubrication is generally recommended unless specific circumstances dictate otherwise. Consulting manufacturer guidelines and considering the specific application requirements are essential for determining the need for lubrication.