System of Measurement
    System of Measurement
    Inch
    Metric
    OD
    OD
    0.28"
    0.29"
    0.33"
    0.35"
    0.37"
    0.371"
    0.392"
    0.409"
    0.41"
    0.42"
    0.437"
    0.44"
    0.45"
    0.456"
    0.47"
    0.483"
    0.5"
    0.529"
    0.535"
    0.54"
    0.56"
    0.58"
    0.59"
    0.62"
    0.622"
    0.63"
    0.65"
    0.67"
    0.69"
    0.7"
    0.71"
    0.75"
    0.761"
    0.769"
    0.78"
    0.79"
    0.808"
    0.81"
    0.83"
    0.84"
    0.848"
    0.85"
    0.87"
    0.88"
    0.9"
    0.901"
    0.91"
    0.92"
    0.94"
    0.96"
    0.995"
    1"
    1.005"
    1.04"
    1.06"
    1.08"
    1.1"
    1.125"
    1.13"
    1.17"
    1.182"
    1.19"
    1.2"
    1.239"
    1.25"
    1.26"
    1.29"
    1.3"
    1.31"
    1.318"
    1.33"
    1.34"
    1.35"
    1.37"
    1.38"
    1.4"
    1.41"
    1.42"
    1.44"
    1.463"
    1.47"
    1.49"
    1.5"
    1.51"
    1.54"
    1.56"
    1.57"
    1.58"
    1.6"
    1.625"
    1.628"
    1.63"
    1.65"
    1.67"
    1.69"
    1.7"
    1.73"
    1.744"
    1.75"
    1.8"
    1.81"
    1.83"
    1.84"
    1.85"
    1.87"
    1.88"
    1.89"
    1.9"
    1.92"
    1.932"
    1.939"
    1.97"
    1.99"
    2"
    2.04"
    2.05"
    2.06"
    2.08"
    2.09"
    2.1"
    2.11"
    2.13"
    2.17"
    2.2"
    2.21"
    2.23"
    2.25"
    2.3"
    2.307"
    2.31"
    2.33"
    2.35"
    2.37"
    2.38"
    2.47"
    2.472"
    2.49"
    2.5"
    2.51"
    2.53"
    2.58"
    2.59"
    2.593"
    2.6"
    2.63"
    2.65"
    2.652"
    2.67"
    2.69"
    2.7"
    2.71"
    2.713"
    2.75"
    2.76"
    2.81"
    2.814"
    2.83"
    2.883"
    2.91"
    2.93"
    2.95"
    2.954"
    2.97"
    2.975"
    2.98"
    3"
    3.01"
    3.06"
    3.07"
    3.074"
    3.08"
    3.1"
    3.11"
    3.113"
    3.13"
    3.135"
    3.14"
    3.17"
    3.19"
    3.194"
    3.2"
    3.25"
    3.29"
    3.296"
    3.3"
    3.31"
    3.315"
    3.32"
    3.33"
    3.34"
    3.35"
    3.457"
    3.46"
    3.49"
    3.5"
    3.517"
    3.52"
    3.55"
    3.58"
    3.617"
    3.62"
    3.67"
    3.68"
    3.7"
    3.719"
    3.72"
    3.73"
    3.736"
    3.74"
    3.75"
    3.778"
    3.78"
    3.79"
    3.793"
    3.88"
    3.92"
    3.938"
    3.94"
    3.96"
    3.979"
    3.98"
    4"
    4.01"
    4.03"
    4.032"
    4.098"
    4.1"
    4.12"
    4.17"
    4.18"
    4.2"
    4.22"
    4.221"
    4.25"
    4.258"
    4.26"
    4.32"
    4.321"
    4.33"
    4.39"
    4.4"
    4.42"
    4.44"
    4.46"
    4.462"
    4.47"
    4.51"
    4.511"
    4.52"
    4.522"
    4.58"
    4.6"
    4.66"
    4.7"
    4.704"
    4.72"
    4.722"
    4.74"
    4.75"
    4.92"
    4.922"
    4.945"
    4.95"
    4.98"
    4.99"
    5"
    5.01"
    5.02"
    5.057"
    5.06"
    5.08"
    5.10"
    5.12"
    5.122"
    5.13"
    5.14"
    5.17"
    5.185"
    5.19"
    5.23"
    5.25"
    5.3"
    5.32"
    5.322"
    5.33"
    5.377"
    5.38"
    5.42"
    5.426"
    5.43"
    5.52"
    5.588"
    5.59"
    5.63"
    5.666"
    5.67"
    5.7"
    5.72"
    5.80"
    5.82"
    5.86"
    5.87"
    5.88"
    5.907"
    5.91"
    5.92"
    5.946"
    5.95"
    6.01"
    6.015"
    6.02"
    6.06"
    6.07"
    6.08"
    6.10"
    6.147"
    6.15"
    6.2"
    6.23"
    6.27"
    6.32"
    6.321"
    6.33"
    6.37"
    6.387"
    6.39"
    6.5"
    6.55"
    6.59"
    6.63"
    6.65"
    6.653"
    6.66"
    6.7"
    6.72"
    6.721"
    6.91"
    6.97"
    6.99"
    7.01"
    7.03"
    7.11"
    7.12"
    7.29"
    7.32"
    7.38"
    7.44"
    7.45"
    7.451"
    7.47"
    7.519"
    7.52"
    7.586"
    7.59"
    7.61"
    7.84"
    7.92"
    7.928"
    7.93"
    7.96"
    8.00"
    8.065"
    8.07"
    8.12"
    8.24"
    8.25"
    8.316"
    8.32"
    8.33"
    8.44"
    8.54"
    8.57"
    8.64"
    8.72"
    8.78"
    8.81"
    8.88"
    8.89"
    8.92"
    9.02"
    9.022"
    9.31"
    9.313"
    9.41"
    9.5"
    9.84"
    9.841"
    9.89"
    9.91"
    9.911"
    9.98"
    10.37"
    10.46"
    11.11"
    11.175"
    11.18"
    11.43"
    11.75"
    11.89"
    11.893"
    12.3"
    12.301"
    13.03"
    13.33"
    13.66"
    14.29"
    14.69"
    14.76"
    14.761"
    15.57"
    17.15"
    17.63"
    18.12"
    7mm
    8.5mm
    9mm
    9.5mm
    10mm
    11mm
    11.2mm
    11.5mm
    12mm
    13mm
    13.5mm
    13.6mm
    14mm
    14.4mm
    15.2mm
    16mm
    17mm
    17.6mm
    18mm
    18.4mm
    19mm
    19.9 mm
    20mm
    20.8mm
    21mm
    21.6mm
    21.7 mm
    22mm
    22.4mm
    23mm
    23.5mm
    23.6 mm
    24mm
    25mm
    25.5mm
    25.6mm
    25.8 mm
    26mm
    26.6 mm
    27mm
    27.2mm
    27.3 mm
    28mm
    28.5mm
    29mm
    29.2 mm
    29.4 mm
    30mm
    30.4mm
    31mm
    31.3 mm
    31.7 mm
    32mm
    33mm
    33.2 mm
    33.3mm
    33.5 mm
    33.6mm
    34mm
    35.1 mm
    36mm
    36.7 mm
    37mm
    38mm
    38.9 mm
    39mm
    39.9 mm
    40mm
    40.5mm
    40.8 mm
    41mm
    41.6mm
    41.91 mm
    42mm
    42.36 mm
    42.7 mm
    43 mm
    43.4 mm
    44mm
    44.6 mm
    45 mm
    47mm
    47.4 mm
    47.6 mm
    48mm
    48.01 mm
    48.3 mm
    48.36 mm
    49.6mm
    50mm
    50.3 mm
    51mm
    51.05 mm
    51.17 mm
    51.37 mm
    51.4 mm
    52mm
    52.5 mm
    53.3mm
    53.85 mm
    54mm
    54.38 mm
    55 mm
    55.88 mm
    56.44 mm
    56.9 mm
    57mm
    57.39 mm
    57.5 mm
    57.6mm
    58mm
    59.4 mm
    59.9 mm
    59.94 mm
    60mm
    60.41 mm
    61.06 mm
    62mm
    62.99 mm
    63mm
    63.43 mm
    64mm
    64.01 mm
    64.6 mm
    65mm
    65.6mm
    66mm
    66.03 mm
    66.04 mm
    66.44 mm
    66.6mm
    67.5 mm
    67.82 mm
    68 mm
    68.45 mm
    69.09 mm
    69.46 mm
    69.5 mm
    70mm
    70.9 mm
    71.02 mm
    71.88 mm
    72mm
    72.14 mm
    72.46 mm
    73.5 mm
    74mm
    74.8 mm
    75mm
    75.95 mm
    76mm
    76.02 mm
    76.48 mm
    77mm
    78mm
    78.9 mm
    78.99 mm
    79.36 mm
    80mm
    80.01 mm
    80.5 mm
    81.03 mm
    81.55 mm
    82mm
    83 mm
    84mm
    84.07 mm
    84.33 mm
    85mm
    85.35 mm
    86 mm
    86.04 mm
    87.6 mm
    88.14 mm
    88.55 mm
    89 mm
    89.41 mm
    89.92 mm
    90mm
    90.17 mm
    91.95 mm
    92 mm
    92.58 mm
    93 mm
    94mm
    94.49 mm
    96.01 mm
    96.08 mm
    96.27 mm
    96.68 mm
    97.36 mm
    98mm
    99.57 mm
    99.6 mm
    100mm
    101.1 mm
    101.85 mm
    102mm
    102.73 mm
    103.37 mm
    103.6 mm
    104mm
    104.14 mm
    104.65 mm
    106.13 mm
    108.2 mm
    109 mm
    109.39 mm
    111.16 mm
    111.7 mm
    112.27 mm
    112.73 mm
    114.01 mm
    114.3 mm
    114.81 mm
    115.42 mm
    115.7 mm
    116.33 mm
    118.36 mm
    119.7 mm
    120mm
    121.45 mm
    122mm
    123mm
    123.8 mm
    124mm
    124.97 mm
    125.98 mm
    126.49 mm
    126.96 mm
    127.49 mm
    128.27 mm
    128.86 mm
    130mm
    131.31 mm
    134.62 mm
    136.4 mm
    138mm
    138.04 mm
    140.97 mm
    142.1 mm
    143 mm
    148 mm
    150mm
    151.13 mm
    151.47 mm
    152.65 mm
    152.78 mm
    153mm
    153.08 mm
    154.11 mm
    156.72 mm
    159.26 mm
    160.53 mm
    161.16 mm
    164.59 mm
    168.99 mm
    177.31 mm
    178.24 mm
    187.2 mm
    190mm
    200mm
    250mm
    For Shaft Type
    For Shaft Type
    Keyed
    Round
    For Roller Chain Strand Type
    For Roller Chain Strand Type
    SingleDouble
    Roller Chain Standard
    Roller Chain Standard
    ANSI
    ISO
    DIN
    DFARS (Defense Acquisition Regulations Supplement)
    DFARS (Defense Acquisition
    Regulations Supplement)
    Hub Diameter
    Hub Diameter
    0.18"
    0.188"
    0.19"
    0.22"
    15/64"
    1/4"
    0.28"
    0.281"
    9/32"
    0.313"
    21/64"
    0.34"
    3/8"
    0.38"
    25/64"
    2/5"
    0.406"
    7/16"
    0.438"
    0.46"
    0.469"
    0.47"
    1/2"
    0.52"
    0.53"
    0.531"
    17/32"
    0.54"
    0.547"
    0.56"
    9/16"
    0.563"
    0.59"
    3/5"
    0.603"
    0.609"
    5/8"
    0.63"
    0.656"
    21/32"
    0.672"
    11/16"
    0.688"
    23/32"
    0.719"
    0.72"
    0.734"
    3/4"
    0.78"
    0.79"
    0.81"
    0.812"
    13/16"
    0.813"
    0.84"
    27/32"
    0.844"
    0.853"
    0.859"
    7/8"
    57/64"
    0.906"
    29/32"
    0.92"
    0.938"
    31/32"
    0.969"
    0.97"
    0.984"
    63/64"
    0.99"
    1"
    1 1/32"
    1 1/16"
    1.063"
    1.109"
    1 7/64"
    1.12"
    1 1/8"
    1 3/16"
    1.188"
    1.2"
    1 7/32"
    1.219"
    1.22"
    1 1/4"
    1 9/32"
    1.313"
    1 11/32"
    1 23/64"
    1 3/8"
    1.391"
    1.4"
    1.406"
    1 13/32"
    1 7/16"
    1.438"
    1.439"
    1 15/32"
    1.47"
    1 1/2"
    1.531"
    1.56"
    1 9/16"
    1 19/32"
    1.62"
    1 5/8"
    1.641"
    1.65"
    1 11/16"
    1.7"
    1 23/32"
    1.719"
    1.72"
    1 3/4"
    1 25/32"
    1.812"
    1 13/16"
    1 27/32"
    1 55/64"
    1 7/8"
    1 29/32"
    1 15/16"
    1.94"
    1 63/64"
    2"
    2.06"
    2 1/16"
    2.063"
    2.12"
    2 1/8"
    2.156"
    2.219"
    2 15/64"
    2 1/4"
    2 5/16"
    2 11/32"
    2 3/8"
    2 7/16"
    2 15/32"
    2 1/2"
    2.56"
    2 9/16"
    2.563"
    2 19/32"
    2 5/8"
    2 11/16"
    2 3/4"
    2 25/32"
    2 13/16"
    2.844"
    2 7/8"
    2.88"
    2.95"
    3"
    3.06"
    3 1/16"
    3 3/32"
    3 1/8"
    3 3/16"
    3 1/4"
    3 3/8"
    3 13/32"
    3 1/2"
    3 9/16"
    3 5/8"
    3 11/16"
    3 3/4"
    3 13/16"
    3 7/8"
    3.88"
    3 15/16"
    4"
    4 1/8"
    4 3/16"
    4 1/4"
    4 1/2"
    4 9/16"
    4 5/8"
    4 3/4"
    5 1/4"
    4.5mm
    6mm
    8mm
    8.5mm
    9mm
    9.5mm
    9.8 mm
    10mm
    11mm
    11.5 mm
    11.7mm
    12mm
    13 mm
    14mm
    14.4mm
    14.5mm
    15 mm
    15.5mm
    16mm
    17 mm
    18mm
    19mm
    20mm
    21 mm
    22mm
    23 mm
    24mm
    25mm
    26mm
    28 mm
    29 mm
    30mm
    31 mm
    32mm
    34 mm
    35mm
    36mm
    37 mm
    38mm
    40mm
    42 mm
    43 mm
    45mm
    46 mm
    47 mm
    47.63 mm
    48 mm
    49 mm
    50mm
    51 mm
    52 mm
    53 mm
    54 mm
    55mm
    57 mm
    58 mm
    60mm
    60.33 mm
    62 mm
    62.69 mm
    64 mm
    65 mm
    66 mm
    67 mm
    70 mm
    70.64 mm
    71 mm
    72 mm
    73 mm
    73.03 mm
    75 mm
    76 mm
    76.2 mm
    78 mm
    80 mm
    82 mm
    82.55 mm
    83 mm
    85 mm
    89 mm
    90 mm
    90.47 mm
    95 mm
    96 mm
    100 mm
    102 mm
    108 mm
    110 mm
    Sprocket Type
    Sprocket Type
    Standard
    Idler
    Shaft Mount Type
    Shaft Mount Type
    Set Screw
    Press Fit
    Strand Type
    Strand Type
    SingleDouble
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