McMaster-Carr logo
    System of Measurement
    System of Measurement
    Inch
    Metric
    Overall Width
    Overall Width
    1/2"
    0.60"
    5/8"
    11/16"
    0.69"
    3/4"
    0.80"
    13/16"
    7/8"
    0.90"
    15/16"
    1"
    1 1/16"
    1 3/16"
    1.20"
    1.21"
    1.23"
    1 1/4"
    1 5/16"
    1 3/8"
    1.40"
    1 1/2"
    1 5/8"
    1 11/16"
    1 3/4"
    1.80"
    1 7/8"
    1.90"
    2"
    2 3/16"
    2 3/8"
    2 7/16"
    2 1/2"
    2.60"
    2 7/8"
    3"
    3 1/4"
    3 5/16"
    3 5/8"
    3 3/4"
    4"
    4 1/4"
    4 1/2"
    4 3/4"
    4 27/32"
    4 7/8"
    5"
    5 1/8"
    5 1/4"
    5 3/8"
    5 1/2"
    5 5/8"
    5 3/4"
    6"
    6 1/8"
    6 1/4"
    6 3/8"
    6 1/2"
    6 5/8"
    6 3/4"
    7"
    7 1/8"
    7 1/4"
    7 3/8"
    7 1/2"
    7 5/8"
    7 3/4"
    7 7/8"
    8"
    8 1/8"
    8 1/4"
    8 3/8"
    8 1/2"
    8 5/8"
    8 3/4"
    8 7/8"
    9"
    9 1/8"
    9 1/4"
    9 3/8"
    9 1/2"
    9 5/8"
    9 3/4"
    9 7/8"
    10"
    10 1/8"
    10 1/4"
    10 3/8"
    10 1/2"
    10 5/8"
    10 3/4"
    10 7/8"
    11"
    11 1/8"
    11 1/4"
    11 3/8"
    11 1/2"
    11 5/8"
    11 3/4"
    11 7/8"
    12"
    12 1/8"
    12 1/4"
    12 3/8"
    12 1/2"
    12 3/4"
    12 7/8"
    13"
    13 1/8"
    13 1/4"
    13 3/8"
    13 1/2"
    13 5/8"
    13 3/4"
    13 7/8"
    14"
    14 1/16"
    14 1/8"
    14 1/4"
    14 3/8"
    14 1/2"
    14 5/8"
    14 3/4"
    14 7/8"
    15"
    15 1/8"
    15 1/4"
    15 3/8"
    15 1/2"
    15 5/8"
    15 3/4"
    15 7/8"
    16"
    16 1/8"
    16 1/4"
    16 3/8"
    16 1/2"
    16 5/8"
    16 3/4"
    16 7/8"
    17"
    17 1/8"
    17 1/4"
    17 3/8"
    17 1/2"
    17 5/8"
    17 3/4"
    17 7/8"
    18"
    18 1/8"
    18 1/4"
    18 3/8"
    18 1/2"
    18 5/8"
    18 3/4"
    18 7/8"
    19"
    19 1/8"
    19 1/4"
    19 3/8"
    19 1/2"
    19 5/8"
    19 3/4"
    19 7/8"
    20"
    20 1/8"
    20 1/4"
    20 1/2"
    20 5/8"
    20 3/4"
    21"
    21 1/8"
    21 1/4"
    21 3/8"
    21 1/2"
    21 5/8"
    21 3/4"
    21 7/8"
    22"
    22 1/16"
    22 1/8"
    22 1/4"
    22 3/8"
    22 1/2"
    22 3/4"
    22 7/8"
    23"
    23 1/8"
    23 1/4"
    23 3/8"
    23 3/4"
    23 7/8"
    24"
    24 1/4"
    24 3/8"
    24 1/2"
    24 3/4"
    24 7/8"
    25"
    25 1/8"
    25 1/4"
    25 3/8"
    25 1/2"
    25 5/8"
    25 3/4"
    25 7/8"
    26"
    26 1/8"
    26 1/4"
    26 3/8"
    26 1/2"
    26 5/8"
    26 3/4"
    26 7/8"
    27"
    27 1/8"
    27 1/4"
    27 3/8"
    27 1/2"
    27 5/8"
    27 3/4"
    27 7/8"
    28"
    28 1/16"
    28 1/8"
    28 1/4"
    28 3/8"
    28 1/2"
    28 5/8"
    28 3/4"
    28 7/8"
    29"
    29 1/8"
    29 1/4"
    29 3/8"
    29 1/2"
    29 3/4"
    30"
    30 1/8"
    30 1/4"
    30 1/2"
    30 3/4"
    30 7/8"
    31"
    31 1/8"
    31 1/4"
    31 3/8"
    31 1/2"
    31 5/8"
    31 3/4"
    32"
    32 1/16"
    32 1/8"
    32 1/4"
    32 3/8"
    32 1/2"
    32 5/8"
    32 3/4"
    33"
    33 1/8"
    33 1/4"
    33 3/8"
    33 1/2"
    33 3/4"
    34"
    34 1/8"
    34 1/4"
    34 3/8"
    34 1/2"
    34 3/4"
    35"
    35 1/8"
    35 1/4"
    35 3/8"
    35 1/2"
    35 5/8"
    35 3/4"
    35 7/8"
    36"
    36 1/8"
    36 1/4"
    36 3/8"
    36 3/4"
    36 7/8"
    37"
    37 1/8"
    37 1/4"
    37 3/8"
    37 3/4"
    37 7/8"
    38"
    38 1/8"
    38 1/4"
    38 3/8"
    38 5/8"
    38 3/4"
    39"
    39 1/8"
    39 1/4"
    39 3/8"
    39 1/2"
    39 3/4"
    40"
    40 1/4"
    40 3/8"
    40 1/2"
    40 5/8"
    40 3/4"
    41"
    41 1/8"
    41 1/4"
    41 3/8"
    41 3/4"
    42"
    42 1/4"
    42 3/8"
    42 3/4"
    43 1/8"
    43 1/4"
    43 3/8"
    43 1/2"
    43 3/4"
    44"
    44 1/8"
    44 1/4"
    44 7/8"
    45 1/4"
    45 3/8"
    45 1/2"
    45 3/4"
    46 1/8"
    46 1/4"
    46 3/8"
    46 1/2"
    46 3/4"
    46 7/8"
    47 1/4"
    47 3/8"
    47 3/4"
    48"
    48 1/4"
    48 3/8"
    48 1/2"
    48 5/8"
    48 3/4"
    49"
    49 1/8"
    49 1/4"
    49 3/8"
    49 3/4"
    50"
    50 1/4"
    50 1/2"
    50 3/4"
    51"
    51 1/8"
    51 1/4"
    51 3/8"
    51 1/2"
    51 3/4"
    52"
    52 1/8"
    52 1/4"
    52 1/2"
    52 3/4"
    53"
    53 1/4"
    53 3/8"
    53 5/8"
    53 3/4"
    54"
    54 1/4"
    54 5/8"
    54 3/4"
    55"
    55 1/4"
    55 3/8"
    55 3/4"
    56 1/4"
    56 3/8"
    56 1/2"
    57"
    57 1/4"
    57 3/8"
    57 5/8"
    58 1/4"
    58 3/8"
    58 3/4"
    59 1/4"
    59 3/8"
    59 1/2"
    60 1/4"
    60 3/4"
    61 1/4"
    62"
    62 1/4"
    62 1/2"
    63"
    63 1/4"
    63 3/8"
    63 3/4"
    64 1/4"
    65 1/4"
    65 3/4"
    66"
    66 1/4"
    67 1/8"
    67 1/4"
    Roller Spacing
    Roller Spacing
    1"
    1 1/2"
    2"
    3"
    4"
    4 1/2"
    6"
    Roller Material
    Roller Material
    Steel
    Stainless Steel
    Aluminum
    Plastic
    Rubber
    Axle Shape
    Axle Shape
    Hex
    Round
    For Between Frame Width
    For Between Frame Width
    default
    3"
    3 1/4"
    3 1/2"
    3 5/8"
    3 3/4"
    3 7/8"
    4"
    4 1/8"
    4 1/4"
    4 3/8"
    4 1/2"
    4 3/4"
    4 7/8"
    5"
    5 1/8"
    5 1/4"
    5 3/8"
    5 1/2"
    5 3/4"
    5 7/8"
    6"
    6"-9"
    6 1/8"
    6 1/4"
    6 3/8"
    6 1/2"
    6 5/8"
    6 3/4"
    6 7/8"
    7"
    7 1/8"
    7 1/4"
    7 3/8"
    7 1/2"
    7 5/8"
    7 3/4"
    7 7/8"
    8"
    8 1/8"
    8 1/4"
    8 3/8"
    8 1/2"
    8 5/8"
    8 3/4"
    8 7/8"
    9"
    9 1/16"-12"
    9 1/8"
    9 1/4"
    9 3/8"
    9 1/2"
    9 5/8"
    9 3/4"
    9 7/8"
    10"
    10 1/8"
    10 1/4"
    10 3/8"
    10 1/2"
    10 5/8"
    10 3/4"
    10 7/8"
    11"
    11 1/8"
    11 1/4"
    11 1/2"
    11 5/8"
    11 3/4"
    11 7/8"
    12"
    12 1/16"-15"
    12 1/8"
    12 1/4"
    12 3/8"
    12 1/2"
    12 5/8"
    12 3/4"
    12 7/8"
    13"
    13 1/8"
    13 1/4"
    13 3/8"
    13 1/2"
    13 5/8"
    13 3/4"
    13 7/8"
    14"
    14 1/8"
    14 1/4"
    14 3/8"
    14 1/2"
    14 5/8"
    14 3/4"
    14 7/8"
    15"
    15 1/16"-18"
    15 1/8"
    15 1/4"
    15 3/8"
    15 1/2"
    15 5/8"
    15 3/4"
    15 7/8"
    16"
    16 1/8"
    16 1/4"
    16 3/8"
    16 1/2"
    16 5/8"
    16 3/4"
    16 7/8"
    17"
    17 1/8"
    17 1/4"
    17 3/8"
    17 1/2"
    17 5/8"
    17 3/4"
    17 7/8"
    18"
    18 1/16"-21"
    18 1/8"
    18 1/4"
    18 3/8"
    18 1/2"
    18 5/8"
    18 3/4"
    18 7/8"
    19"
    19 1/4"
    19 3/8"
    19 1/2"
    19 3/4"
    19 7/8"
    20"
    20 1/8"
    20 1/4"
    20 3/8"
    20 1/2"
    20 5/8"
    20 3/4"
    20 7/8"
    21"
    21 1/16"-24"
    21 1/8"
    21 1/4"
    21 1/2"
    21 5/8"
    21 3/4"
    21 7/8"
    22"
    22 1/8"
    22 1/2"
    22 5/8"
    22 3/4"
    23"
    23 1/8"
    23 1/4"
    23 1/2"
    23 5/8"
    23 3/4"
    23 7/8"
    24"
    24 1/16"-27"
    24 1/8"
    24 1/4"
    24 3/8"
    24 1/2"
    24 5/8"
    24 3/4"
    24 7/8"
    25"
    25 1/8"
    25 1/4"
    25 3/8"
    25 1/2"
    25 5/8"
    25 3/4"
    25 7/8"
    26"
    26 1/8"
    26 1/4"
    26 3/8"
    26 1/2"
    26 5/8"
    26 3/4"
    26 7/8"
    27"
    27 1/16"-30"
    27 1/8"
    27 1/4"
    27 3/8"
    27 1/2"
    27 5/8"
    27 3/4"
    27 7/8"
    28"
    28 1/4"
    28 1/2"
    28 3/4"
    28 7/8"
    29"
    29 1/4"
    29 1/2"
    29 5/8"
    29 3/4"
    29 7/8"
    30"
    30 1/16"-33"
    30 1/8"
    30 1/4"
    30 3/8"
    30 1/2"
    30 3/4"
    30 7/8"
    31"
    31 1/4"
    31 3/8"
    31 1/2"
    31 3/4"
    31 7/8"
    32"
    32 1/8"
    32 1/4"
    32 1/2"
    32 3/4"
    32 7/8"
    33"
    33 1/16"-36"
    33 1/8"
    33 1/4"
    33 1/2"
    33 3/4"
    34"
    34 1/4"
    34 3/8"
    34 1/2"
    34 5/8"
    34 3/4"
    34 7/8"
    35"
    35 1/8"
    35 1/2"
    35 5/8"
    35 3/4"
    35 7/8"
    36"
    36 1/16"-39"
    36 1/2"
    36 5/8"
    36 3/4"
    36 7/8"
    37"
    37 1/8"
    37 3/8"
    37 1/2"
    37 3/4"
    37 7/8"
    38"
    38 1/8"
    38 1/4"
    38 1/2"
    38 3/4"
    39"
    39 1/16"-42"
    39 1/8"
    39 1/4"
    39 3/8"
    39 1/2"
    39 3/4"
    40"
    40 1/8"
    40 1/2"
    41"
    41 1/8"
    41 1/2"
    41 7/8"
    42"
    42 1/16"-45"
    42 1/8"
    42 1/4"
    42 1/2"
    42 3/4"
    42 7/8"
    43"
    43 5/8"
    44"
    44 1/4"
    44 1/2"
    44 7/8"
    45"
    45 1/16"-48"
    45 1/8"
    45 1/4"
    45 1/2"
    45 5/8"
    46"
    46 1/2"
    46 3/4"
    47"
    47 1/8"
    47 1/4"
    47 3/8"
    47 1/2"
    47 7/8"
    48"
    48 1/16"-51"
    48 1/8"
    48 1/2"
    49"
    49 1/4"
    49 1/2"
    50"
    50 1/4"
    50 1/2"
    50 3/4"
    50 7/8"
    51"
    51 1/16"-54"
    51 1/2"
    51 3/4"
    52"
    52 3/8"
    52 1/2"
    53"
    53 3/8"
    53 1/2"
    53 3/4"
    54"
    54 1/16"-57"
    54 1/2"
    55"
    55 1/8"
    55 1/4"
    55 3/4"
    56"
    56 3/8"
    57"
    57 1/16"-60"
    57 1/8"
    57 1/2"
    58"
    58 1/4"
    59"
    59 1/2"
    60"
    61"
    61 1/4"
    61 3/4"
    62"
    62 1/8"
    62 1/2"
    63"
    64"
    64 1/2"
    65"
    65 7/8"
    66"
    DFARS (Defense Acquisition Regulations Supplement)
    DFARS (Defense Acquisition
    Regulations Supplement)
    click to learn more about
    Number of Stands Required
    Number of Stands Required
    2
    3
    4
    RoHS (Restriction of Hazardous Substances)
    RoHS (Restriction of
    Hazardous Substances)
    RoHS Compliant
    RoHS Compliant with
    Exemptions
    Frame Material
    Frame Material
    Steel
    Aluminum
    Stainless Steel
    Iron
    Plastic
    Bearing Material
    Bearing Material
    Steel
    Plastic
    Stainless Steel
    Bronze
    REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)
    REACH (Registration,
    Evaluation, Authorization
    and Restriction of Chemicals)
    REACH Compliant
    Bearing Type
    Bearing Type
    Ball
    Sleeve
    Plain
    Roller
    Hex Axle Size
    Hex Axle Size
    5/16"
    7/16"
    11/16"
    1 1/16"
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