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O Rings GB Standards

Brand :
MISUMI

Caution

    Product Description

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    Economic Design Case Study

    O Rings GB Standards
    These O Rings are an economy item, The price is cheaper than the MISUMI standard product. They offer a wide variety of sizes to choose from.
    [Feature]
    ● Inner Diameter Minimum/ Maximum (mm.) : 1.8 to 250
    ● Thickness Minimum/ Maximum (mm.) : 1.8 to 7
    ● Material : Nitrile Rubber (Black) or Fluoro Rubber (Brown)
    ● Operating Temperature Range (℃)
    Nitrile Rubber : -20 to 100
    Fluoro Rubber : -10 to 200
    [Application]
    O-rings are utilized across multiple industries to prevent the leakage of fluids or gases between two components

    

    Economy O-Ring

    Wide selection High-quality Sealing

    - Wide variety of sizes available

    - High-quality nitrile and fluoro rubber materials

    - Suitable for temperatures up to specified value

    - Excellent sealing performance for various applications

    - Available in multiple packaging options for convenience

    Economy O-Ring
    MISUMI Economy Logo

    MISUMI Standard
    MISUMI Standard

    Cheaper Price
    Cheaper Price

    Product Variety
    Product Variety

    3D CAD
    3D CAD Support


    O-Rings Product Overview

    O-Rings is a part that utilizes elastic interference of rubber materials to achieve a sealing effect. The national standard (GB) series are MISUMI self-developed economy series O-Rings products, which are widely used in applications that require sealing in various industries. GB series has market universal specifications in China, with color options for different materials, black for nitrile rubber and brown for fluorine rubber. The O-Rings is used in two ways: fixed and movable. When installed in the fixed way, usually via a plane, the O-Rings will be in the fixed state. When installed in the movable way, mainly via a cylindrical surface, the O-Rings will produce relative displacement.
     
    Nitrile Rubber
    (Black)
    Product Drawing 1    		 Fluoro Rubber
    (Brown)
    Product Drawing 2

    O-Rings Product Features

    [O-Rings Features]
    ・Imported rubber materials are adopted, ensuring sealing performance and ultra-long service life
    ・With no corners cut, density and dimensions are guaranteed
    ・All specifications in stock and same-day shipment.

    Product Drawing 3  Product Drawing 3

    O-Rings Specifications Overview

    For the economy national standard series, O-Ringss are made of two materials: nitrile rubber and fluorine rubber, wire diameters include 1.8mm, 2.65mm, 3.55mm, 5.3mm and 7mm, and inner diameters include most of the specifications between 1.8mm and 250mm.

    Product Drawing 5
     
    MaterialHardnessColorApplicable Temperature RangeIntended Use
    Nitrile RubberHS70±5Black-20℃ to 100℃Mineral Oil Resistant
    Fluoro RubberHS75±5Brown-10℃ to 200℃Heat Resistant, Chemical Resistant
     
    MaterialWire Diameter W (mm)Wire Diameter W
    (mm)    		Wire Diameter Tolerance
    (mm)    		I.D. d (mm)I.D. d
    (mm)    		I.D. Tolerance
    (mm)
    Nitrile Rubber


    Fluoro Rubber    		1.8±0.081.8±0.1
    2±0.13
    2.24
    2.5
    2.8
    3.15
    3.55
    3.75
    4
    4.5
    4.87
    5
    5.15
    5.3
    5.6
    6
    6.3±0.14
    6.7
    6.9
    7.1
    7.5
    8
    8.5
    8.75
    9
    9.5
    10
    10.6±0.17
    11.2
    11.8
    12.5
    13.2
    14
    15
    16
    17
    18
    19±0.22
    20
    21.2
    22.4
    23.6
    25
    26.5
    28
    30
    32.5±0.3
    34.5
    36.5
    38.7
    42.5±0.36
    46.2
    50
    2.65±0.0910.6±0.17
    11.2
    11.8
    12.5
    13.2
    14
    15
    16
    17
    18
    19±0.22
    20
    21.2
    22.4
    23.6
    25
    26.5
    28
    MaterialWire Diameter W (mm)Wire Diameter W
    (mm)    		Wire Diameter Tolerance
    (mm)    		I.D. d (mm)I.D. d
    (mm)    		I.D. Tolerance
    (mm)
    Nitrile Rubber


    Fluoro Rubber    		2.65±0.0930±0.22
    31.5±0.3
    32.5
    33.5
    34.5
    35.5
    36.5
    37.5
    38.7
    40
    41.2±0.36
    42.5
    43.7
    45
    46.2
    47.5
    48.7
    50
    51.5±0.44
    53
    54.5
    56
    58
    60
    61.5
    63
    67±0.53
    71
    75
    80
    85±0.65
    90
    95
    100
    106
    112
    118
    125±0.9
    132
    140
    150
    3.55±0.118±0.17
    19±0.22
    20
    21.2
    22.4
    23.6
    25
    26.5
    28
    30
    31.5±0.3
    32.5
    33.5
    34.5
    35.5
    36.5
    37.5
    38.7
    40
    41.2±0.36
    42.5
    43.7
    45
    46.2
    47.5
    48.7
    50
    51.5±0.44
    53
    54.5
    MaterialWire Diameter W (mm)Wire Diameter W
    (mm)    		Wire Diameter Tolerance
    (mm)    		I.D. d (mm)I.D. d
    (mm)    		I.D. Tolerance
    (mm)
    Nitrile Rubber


    Fluoro Rubber    		3.55±0.156±0.44
    58
    60
    61.5
    63
    65±0.53
    67
    69
    71
    73
    75
    77.5
    80
    82.5±0.65
    85
    87.5
    90
    92.5
    95
    97.5
    100
    103
    106
    109
    112
    115
    118
    122±0.9
    125
    128
    132
    136
    140
    145
    150
    155
    160
    165
    170
    175
    180
    185±1.2
    190
    195
    200
    5.3±0.1340±0.3
    41.2±0.36
    42.5
    43.7
    45
    46.2
    47.5
    48.7±0.36
    50
    51.5±0.44
    53
    54.5
    56
    58
    60
    61.5
    63
    65±0.53
    67
    69
    71
    73
    75
    77.5
    80
    MaterialWire Diameter W (mm)Wire Diameter W
    (mm)    		Wire Diameter Tolerance
    (mm)    		I.D. d (mm)I.D. d
    (mm)    		I.D. Tolerance
    (mm)
    Nitrile Rubber


    Fluoro Rubber    		5.3±0.1382.5±0.65
    85
    87.5
    90
    92.5
    95
    97.5
    100
    103
    106
    109
    112
    115
    118
    122±0.9
    125
    128
    132
    136
    140
    145
    150
    155
    160
    165
    170
    175
    180
    185±1.2
    190
    195
    200
    206
    212
    218
    224
    230
    236
    243
    250
    7±0.15109±0.65
    112
    115
    118
    122±0.9
    125
    128
    132
    136
    140
    145
    150
    155
    160
    165
    170
    175
    180
    185±1.2
    190
    195
    200
    206
    212
    218
    224
    230
    236
    243
    250

    Example of Use O-Rings

    O-Ringss are suitable for many areas of industry, such as automated processing equipment, production lines, and peripheral equipment of manipulators. The O-Rings is used in two ways: fixed and movable.
    When installed in the fixed way, usually via a plane, the O-Rings will be in the fixed state. When installed in the movable way, mainly via a cylindrical surface, the O-Rings will produce relative displacement.

    Example of Use
    Plane fixed typeCylindrical surface movable type
    Internal pressure fixed typeExternal pressure fixed typeExample of Use 3
    Example of Use 1Example of Use 2

    O-Rings Precautions

    For the O-Rings slotting size, please see the following drawing and table. The slotting size varies with the wire diameter and usage method. For detailed information, please see the data in the table.
    Slotting size drawing
    Precautions
    mm
    Wire Diameter WFixedMovable (pneumatic)Movement (hydraulic)
    Groove Width GGroove Depth HGroove Width GGroove Depth HGroove Width GGroove Depth H
    1.802.31.32.31.12.31.1
    2.653.423.12.353.12.3
    3.554.52.74.23.254.23.1
    5.304.94.36.44.956.44.7
    7.009.15.858.46.68.46.3
    Dimensional Drawing
    For the economy national standard series, O rings are made of two materials: nitrile rubber and fluorine rubber, wire diameters include 1.8mm, 2.65mm, 3.55mm, 5.3mm and 7mm, and inner diameters include most of the specifications between 1.8mm and 250mm.

    Product Drawing 1
     
    MaterialHardnessColorApplicable Temperature RangeIntended Use
    Nitrile RubberHS70±5Black-20℃ to 100℃Mineral Oil Resistant
    Fluoro RubberHS75±5Brown-10℃ to 200℃Heat Resistant, Chemical Resistant
    Specifications Overview
    For the economy national standard series, O rings are made of two materials: nitrile rubber and fluorine rubber, wire diameters include 1.8mm, 2.65mm, 3.55mm, 5.3mm and 7mm, and inner diameters include most of the specifications between 1.8mm and 250mm.

    Product Drawing 5

     
    MaterialWire Diameter W
    (mm)    		Wire Diameter Tolerance
    (mm)    		I.D. d
    (mm)    		I.D. Tolerance
    (mm)
    Nitrile Rubber


    Fluoro Rubber    		1.8±0.081.8±0.1
    2±0.13
    2.24
    2.5
    2.8
    3.15
    3.55
    3.75
    4
    4.5
    4.87
    5
    5.15
    5.3
    5.6
    6
    6.3±0.14
    6.7
    6.9
    7.1
    7.5
    8
    8.5
    8.75
    9
    9.5
    10
    10.6±0.17
    11.2
    11.8
    12.5
    13.2
    14
    15
    16
    17
    18
    19±0.22
    20
    21.2
    22.4
    23.6
    25
    26.5
    28
    30
    32.5±0.3
    34.5
    36.5
    38.7
    42.5±0.36
    46.2
    50
    2.65±0.0910.6±0.17
    11.2
    11.8
    12.5
    13.2
    14
    15
    16
    17
    18
    19±0.22
    20
    21.2
    22.4
    23.6
    25
    26.5
    28
    MaterialWire Diameter W
    (mm)    		Wire Diameter Tolerance
    (mm)    		I.D. d
    (mm)    		I.D. Tolerance
    (mm)
    Nitrile Rubber


    Fluoro Rubber    		2.65±0.0930±0.22
    31.5±0.3
    32.5
    33.5
    34.5
    35.5
    36.5
    37.5
    38.7
    40
    41.2±0.36
    42.5
    43.7
    45
    46.2
    47.5
    48.7
    50
    51.5±0.44
    53
    54.5
    56
    58
    60
    61.5
    63
    67±0.53
    71
    75
    80
    85±0.65
    90
    95
    100
    106
    112
    118
    125±0.9
    132
    140
    150
    3.55±0.118±0.17
    19±0.22
    20
    21.2
    22.4
    23.6
    25
    26.5
    28
    30
    31.5±0.3
    32.5
    33.5
    34.5
    35.5
    36.5
    37.5
    38.7
    40
    41.2±0.36
    42.5
    43.7
    45
    46.2
    47.5
    48.7
    50
    51.5±0.44
    53
    54.5
    MaterialWire Diameter W
    (mm)    		Wire Diameter Tolerance
    (mm)    		I.D. d
    (mm)    		I.D. Tolerance
    (mm)
    Nitrile Rubber


    Fluoro Rubber    		3.55±0.156±0.44
    58
    60
    61.5
    63
    65±0.53
    67
    69
    71
    73
    75
    77.5
    80
    82.5±0.65
    85
    87.5
    90
    92.5
    95
    97.5
    100
    103
    106
    109
    112
    115
    118
    122±0.9
    125
    128
    132
    136
    140
    145
    150
    155
    160
    165
    170
    175
    180
    185±1.2
    190
    195
    200
    5.3±0.1340±0.3
    41.2±0.36
    42.5
    43.7
    45
    46.2
    47.5
    48.7±0.36
    50
    51.5±0.44
    53
    54.5
    56
    58
    60
    61.5
    63
    65±0.53
    67
    69
    71
    73
    75
    77.5
    80
    MaterialWire Diameter W
    (mm)    		Wire Diameter Tolerance
    (mm)    		I.D. d
    (mm)    		I.D. Tolerance
    (mm)
    Nitrile Rubber


    Fluoro Rubber    		5.3±0.1382.5±0.65
    85
    87.5
    90
    92.5
    95
    97.5
    100
    103
    106
    109
    112
    115
    118
    122±0.9
    125
    128
    132
    136
    140
    145
    150
    155
    160
    165
    170
    175
    180
    185±1.2
    190
    195
    200
    206
    212
    218
    224
    230
    236
    243
    250
    7±0.15109±0.65
    112
    115
    118
    122±0.9
    125
    128
    132
    136
    140
    145
    150
    155
    160
    165
    170
    175
    180
    185±1.2
    190
    195
    200
    206
    212
    218
    224
    230
    236
    243
    250