McMaster-Carr logo
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Comments
    E-mail address (if you would like a response)
    177 Products

    Timing Belt Pulleys

    Image of Product. Front orientation. Timing Belt Drive Pulleys. Timing Belt Pulleys, Finished Bore.

    Finished Bore

    Image of Attribute. Front orientation. Contains Annotated, Border. Timing Belt Pulleys.
    Keep your drive system in sync. Trapezoidal teeth mesh with matching belts to synchronize motion. With the original tooth profile, these pulleys handle enough torque for most applications. If you need high torque or precise starts and stops, consider curved tooth profiles, such as GT and HTD pulleys.
    Steel—Strong but best for dry environments since moisture will cause them to rust.
    Corrosion-Resistant Aluminum—Won't rust in wet environments and one-third the weight of steel and iron. However, aluminum pulleys are not as strong as iron and steel.
    Finished Bore—Mount these pulleys onto the shaft and secure with a set screw—no machining required.
    Flush Hub—Ideal in tight spots where a raised hub would get in the way.
    For Max.
    Belt Wd.
    Pitch
    No. of
    Teeth
    Bore
    Type
    For Shaft
    Dia.
    OD
    No. of
    Flanges
    Hub
    Type
    Each
    For XL Trade Size
     
    Steel
    3/8"0.200"10Finished3/16"0.929"2Standard00000000000000
    3/8"0.200"10Finished1/4"0.875"2Standard0000000000000
    3/8"0.200"11Finished3/16"0.929"2Standard0000000000000
    3/8"0.200"12Finished3/16"0.993"2Standard0000000000000
    3/8"0.200"12Finished1/4"1"2Standard0000000000000
    3/8"0.200"12Finished5/16"1"2Standard0000000000000
    3/8"0.200"14Finished1/4"1.12"2Standard0000000000000
    3/8"0.200"15Finished1/4"1.184"2Standard0000000000000
    3/8"0.200"15Finished3/8"1.188"2Standard0000000000000
    3/8"0.200"16Finished1/4"1.248"2Standard0000000000000
    3/8"0.200"16Finished3/8"1.25"2Standard0000000000000
    3/8"0.200"18Finished1/4"1.375"2Standard0000000000000
    3/8"0.200"18Finished3/8"1.375"2Standard0000000000000
    3/8"0.200"18Finished1/2"1.375"2Standard0000000000000
    3/8"0.200"20Finished1/4"1.502"2Standard0000000000000
    3/8"0.200"20Finished1/2"1.5"2Standard0000000000000
    3/8"0.200"21Finished1/4"1.566"2Standard0000000000000
    3/8"0.200"22Finished1/4"1.63"2Standard0000000000000
    3/8"0.200"22Finished3/8"1.625"2Standard0000000000000
    3/8"0.200"24Finished1/4"1.756"2Standard0000000000000
    3/8"0.200"28Finished1/4"2.011"2Standard0000000000000
    3/8"0.200"30Finished5/16"2.138"2Standard0000000000000
    3/8"0.200"32Finished5/16"2.017"Standard0000000000000
    3/8"0.200"36Finished5/16"2.272"Standard0000000000000
    3/8"0.200"40Finished5/16"2.526"Standard0000000000000
    3/8"0.200"42Finished5/16"2.654"Standard0000000000000
    3/8"0.200"44Finished5/16"2.781"Standard0000000000000
    3/8"0.200"48Finished5/16"3.036"Standard0000000000000
    3/8"0.200"60Finished3/8"3.8"Standard0000000000000
    3/8"0.200"72Finished3/8"4.564"Standard0000000000000
     
    Corrosion-Resistant Aluminum
    1/4"0.200"10Finished3/16"0.875"2Standard000000000000
    1/4"0.200"12Finished3/16"1"2Standard000000000000
    1/4"0.200"13Finished1/4"1.063"2Standard000000000000
    1/4"0.200"14Finished1/4"1.094"2Standard000000000000
    1/4"0.200"15Finished1/4"1.188"2Standard000000000000
    1/4"0.200"16Finished1/4"1.25"2Standard000000000000
    1/4"0.200"18Finished1/4"1.375"2Standard000000000000
    1/4"0.200"20Finished1/4"1.5"2Standard000000000000
    1/4"0.200"21Finished1/4"1.563"2Standard000000000000
    1/4"0.200"22Finished5/16"1.625"2Standard000000000000
    1/4"0.200"24Finished5/16"1.75"2Standard000000000000
    1/4"0.200"26Finished5/16"1.875"2Standard000000000000
    1/4"0.200"28Finished5/16"2"2Standard000000000000
    1/4"0.200"30Finished5/8"2.125"2Standard000000000000
    3/8"0.200"10Finished3/16"0.875"2Flush0000000000000
    3/8"0.200"10Finished3/16"0.875"2Standard000000000000
    3/8"0.200"10Finished1/4"0.938"2Flush0000000000000
    3/8"0.200"10Finished6 mm22 mm2Flush0000000000000
    3/8"0.200"10Finished6 mm22 mm2Standard0000000000000
    3/8"0.200"11Finished3/16"0.938"2Standard000000000000
    3/8"0.200"11Finished1/4"0.938"2Flush0000000000000
    3/8"0.200"11Finished6 mm24 mm2Flush0000000000000
    3/8"0.200"11Finished6 mm24 mm2Standard0000000000000
    3/8"0.200"12Finished3/16"1"2Flush0000000000000
    3/8"0.200"12Finished3/16"1"2Standard000000000000
    3/8"0.200"12Finished1/4"1"2Flush0000000000000
    3/8"0.200"12Finished6 mm25 mm2Flush0000000000000
    3/8"0.200"12Finished6 mm25 mm2Standard0000000000000
    3/8"0.200"14Finished1/4"1.094"2Flush0000000000000
    3/8"0.200"14Finished1/4"1.094"2Standard000000000000
    3/8"0.200"14Finished5/16"1.094"2Flush0000000000000
    3/8"0.200"14Finished8 mm28 mm2Flush0000000000000
    3/8"0.200"14Finished8 mm28 mm2Standard0000000000000
    3/8"0.200"15Finished1/4"1.188"2Flush000000000000
    3/8"0.200"15Finished1/4"1.188"2Standard000000000000
    3/8"0.200"15Finished5/16"1.188"2Flush0000000000000
    3/8"0.200"15Finished8 mm30 mm2Flush0000000000000
    3/8"0.200"15Finished8 mm30 mm2Standard0000000000000
    3/8"0.200"16Finished1/4"1.25"2Flush0000000000000
    3/8"0.200"16Finished1/4"1.25"2Standard000000000000
    3/8"0.200"16Finished5/16"1.25"2Flush0000000000000
    3/8"0.200"16Finished3/8"1.25"2Flush0000000000000
    3/8"0.200"16Finished8 mm32 mm2Flush0000000000000
    3/8"0.200"16Finished8 mm32 mm2Standard0000000000000
    3/8"0.200"18Finished1/4"1.312"2Flush0000000000000
    3/8"0.200"18Finished1/4"1.375"2Standard000000000000
    3/8"0.200"18Finished5/16"1.312"2Flush0000000000000
    3/8"0.200"18Finished3/8"1.312"2Flush0000000000000
    3/8"0.200"18Finished1/2"1.312"2Flush0000000000000
    3/8"0.200"18Finished8 mm35 mm2Flush0000000000000
    3/8"0.200"18Finished8 mm35 mm2Standard0000000000000
    3/8"0.200"20Finished1/4"1.5"2Flush0000000000000
    3/8"0.200"20Finished1/4"1.5"2Standard000000000000
    3/8"0.200"20Finished5/16"1.5"2Flush0000000000000
    3/8"0.200"20Finished3/8"1.5"2Flush0000000000000
    3/8"0.200"20Finished1/2"1.5"2Flush0000000000000
    3/8"0.200"20Finished8 mm38 mm2Flush0000000000000
    3/8"0.200"20Finished8 mm38 mm2Standard0000000000000
    3/8"0.200"21Finished1/4"1.563"2Flush0000000000000
    3/8"0.200"21Finished1/4"1.563"2Standard000000000000
    3/8"0.200"22Finished1/4"1.625"2Flush0000000000000
    3/8"0.200"22Finished1/4"1.625"2Standard00000000000
    3/8"0.200"22Finished5/16"1.625"2Flush0000000000000
    3/8"0.200"22Finished3/8"1.625"2Flush0000000000000
    3/8"0.200"22Finished8 mm41 mm2Flush0000000000000
    3/8"0.200"22Finished8 mm41 mm2Standard0000000000000
    3/8"0.200"24Finished1/4"1.75"2Flush0000000000000
    3/8"0.200"24Finished1/4"1.75"2Standard000000000000
    3/8"0.200"24Finished5/16"1.75"2Flush0000000000000
    3/8"0.200"24Finished3/8"1.75"2Flush0000000000000
    3/8"0.200"24Finished3/8"1.75"2Standard000000000000
    3/8"0.200"24Finished1/2"1.75"2Flush0000000000000
    3/8"0.200"24Finished8 mm44 mm2Flush0000000000000
    3/8"0.200"24Finished8 mm44 mm2Standard0000000000000
    3/8"0.200"26Finished1/4"1.875"2Standard000000000000
    3/8"0.200"28Finished1/4"2"2Flush0000000000000
    3/8"0.200"28Finished1/4"2"2Standard000000000000
    3/8"0.200"28Finished8 mm51 mm2Flush0000000000000
    3/8"0.200"28Finished8 mm51 mm2Standard0000000000000
    3/8"0.200"30Finished1/4"2.125"2Flush0000000000000
    3/8"0.200"30Finished1/4"2.125"2Standard000000000000
    3/8"0.200"30Finished5/16"2.125"2Flush0000000000000
    3/8"0.200"30Finished3/8"2.125"2Flush0000000000000
    3/8"0.200"30Finished1/2"2.125"2Flush0000000000000
    3/8"0.200"30Finished8 mm54 mm2Flush0000000000000
    3/8"0.200"30Finished10 mm54 mm2Standard0000000000000
    3/8"0.200"32Finished1/4"2.25"2Flush0000000000000
    3/8"0.200"32Finished5/16"2.017"Standard000000000000
    3/8"0.200"32Finished5/16"2.25"2Flush0000000000000
    3/8"0.200"32Finished3/8"2.25"2Flush0000000000000
    3/8"0.200"32Finished8 mm57 mm2Standard0000000000000
    3/8"0.200"32Finished12 mm57 mm2Standard0000000000000
    3/8"0.200"36Finished5/16"2.272"Standard000000000000
    3/8"0.200"36Finished10 mm57.7 mmStandard0000000000000
    3/8"0.200"40Finished5/16"2.526"Standard000000000000
    3/8"0.200"40Finished12 mm64.2 mmStandard0000000000000
    3/8"0.200"42Finished5/16"2.654"Standard000000000000
    3/8"0.200"44Finished5/16"2.781"Standard000000000000
    3/8"0.200"45Finished3/8"2.845"Standard000000000000
    3/8"0.200"48Finished5/16"3.036"Standard00000000000
    3/8"0.200"48Finished12 mm77.1 mmStandard0000000000000
    3/8"0.200"50Finished3/8"3.163"Standard000000000000
    3/8"0.200"60Finished3/8"3.8"Standard000000000000
    3/8"0.200"60Finished12 mm96.5 mmStandard0000000000000
    3/8"0.200"72Finished12 mm115.9 mmStandard0000000000000
     

    Plastic Timing Belt Pulleys

    Image of Product. Front orientation. Timing Belt Drive Pulleys. Plastic Timing Belt Pulleys.
    Image of Attribute. Front orientation. Contains Annotated, Border. Trapezoidal Teeth.
    Naturally rust resistant and lightweight, these plastic pulleys are ideal for machines that require frequent washdowns. Trapezoidal teeth, the original tooth profile, mesh with matching belts to transmit power without slipping.
    Finished Bore—Mount these pulleys onto the shaft and secure with a set screw—no machining required.
    For Max.
    Belt Wd.
    Pitch
    No. of
    Teeth
    Bore
    Type
    For Shaft
    Dia.
    OD
    No. of
    Flanges
    Hub
    Type
    Each
    For XL Trade Size
     
    Acetal
    3/8"0.200"10Finished3/16"0.88"2Standard00000000000000
    3/8"0.200"10Finished6 mm22 mm2Standard000000000000
    3/8"0.200"11Finished3/16"0.94"2Standard0000000000000
    3/8"0.200"11Finished6 mm24 mm2Standard000000000000
    3/8"0.200"12Finished3/16"1"2Standard0000000000000
    3/8"0.200"12Finished6 mm25 mm2Standard000000000000
    3/8"0.200"14Finished1/4"1.13"2Standard0000000000000
    3/8"0.200"14Finished8 mm28 mm2Standard000000000000
    3/8"0.200"15Finished1/4"1.19"2Standard0000000000000
    3/8"0.200"15Finished8 mm30 mm2Standard000000000000
    3/8"0.200"16Finished1/4"1.25"2Standard0000000000000
    3/8"0.200"16Finished8 mm32 mm2Standard000000000000
    3/8"0.200"18Finished1/4"1.38"2Standard0000000000000
    3/8"0.200"18Finished8 mm35 mm2Standard000000000000
    3/8"0.200"20Finished1/4"1.5"2Standard0000000000000
    3/8"0.200"20Finished8 mm38 mm2Standard000000000000
    3/8"0.200"21Finished1/4"1.56"2Standard0000000000000
    3/8"0.200"21Finished8 mm40 mm2Standard000000000000
    3/8"0.200"22Finished1/4"1.63"2Standard0000000000000
    3/8"0.200"22Finished8 mm41 mm2Standard000000000000
    3/8"0.200"24Finished5/16"1.75"2Standard0000000000000
    3/8"0.200"24Finished8 mm44 mm2Standard000000000000
    3/8"0.200"26Finished5/16"1.88"2Standard0000000000000
    3/8"0.200"26Finished8 mm48 mm2Standard000000000000
    3/8"0.200"28Finished5/16"2"2Standard0000000000000
    3/8"0.200"28Finished8 mm51 mm2Standard000000000000
    3/8"0.200"30Finished5/16"2.13"2Standard0000000000000
    3/8"0.200"30Finished10 mm54 mm2Standard000000000000
    3/8"0.200"32Finished5/16"2.25"2Standard0000000000000
    3/8"0.200"32Finished10 mm57 mm2Standard000000000000
    3/8"0.200"36Finished5/16"2.53"2Standard0000000000000
    3/8"0.200"36Finished10 mm64 mm2Standard000000000000
    3/8"0.200"40Finished5/16"2.75"2Standard0000000000000
    3/8"0.200"40Finished10 mm70 mm2Standard000000000000
    3/8"0.200"42Finished5/16"2.91"2Standard0000000000000
    3/8"0.200"42Finished10 mm74 mm2Standard000000000000
    3/8"0.200"44Finished5/16"3.03"2Standard0000000000000
    3/8"0.200"44Finished10 mm77 mm2Standard000000000000
    3/8"0.200"48Finished5/16"3.28"2Standard0000000000000
    3/8"0.200"48Finished12 mm83 mm2Standard000000000000
    3/8"0.200"60Finished5/16"3.8"Standard0000000000000
    3/8"0.200"60Finished12 mm97 mmStandard000000000000
     
    back to top