McMaster-Carr logo
    Filter by
    Belt Trade Size
    Industrial Info Compare
    System of Measurement
    Outer Circumference
    Attribute Image
    V-Belt Type
    Number of Bands
    Belt Type
    Color
    U.S.–Mexico–Canada Agreement (USMCA) Qualifying
    Reinforcement Material
    DFARS Specialty Metals
    Export Control Classification Number (ECCN)
    Industrial Info Snippet
    Forward
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Print
    How can we improve?
    Comments
    E-mail address (if you would like a response)
    10 Products

    V-Belts

    Image of Product. Front orientation. V-Belts. V-Belts.
    Image of Attribute. Front orientation. Contains Annotated. V-Belts.
    3L Trade Size, 4L Trade Size, and 5L Trade Size—2L, 3L, 4L, and 5L V-belts are commonly used on light duty drives with fractional-horsepower motors.
    A Trade Size and B Trade Size—A, B, and C V-belts are for medium and heavy duty drives.
    Belt Trade
    No.
    Outer
    Circumference
    No. of
    Bands
    Material
    Reinforcement
    Material
    Color
    Each
    3L Trade Size—3/8" Wide × 7/32" Thick
    3L40040"1EPDM
    		Polyester PlasticBlack6190K53000000
     
    4L Trade Size—1/2" Wide × 5/16" Thick
    4L40040"1EPDM
    		Polyester PlasticBlack6191K3400000
     
    5L Trade Size—21/32" Wide × 3/8" Thick
    5L40040"1EPDM
    		Polyester PlasticBlack6192K2200000
     
    A Trade Size—1/2" Wide × 5/16" Thick
    A3840"1EPDM
    		Polyester PlasticBlack6186K13700000
     
    B Trade Size—21/32" Wide × 13/32" Thick
    B3740"1Buna-N/SBRPolyester PlasticBlack6187K12700000
     

    Cogged V-Belts

    Image of Product. Front orientation. V-Belts. Cogged V-Belts.
    Image of Attribute. Front orientation. Contains Annotated. Cogged V-Belts.
    More flexible than smooth V-belts, these have notches that allow them to bend around small-diameter pulleys and accommodate twists and turns on curved drives.
    Belt Trade
    No.
    Outer
    Circumference
    No. of
    Bands
    Material
    Reinforcement
    Material
    Color
    Each
    AX Trade Size—1/2" Wide × 0.3125" Thick
    AX3840"1EPDM
    		Polyester PlasticBlack6054K126000000
     
    BX Trade Size—21/32" Wide × 0.4063" Thick
    BX3740"1EPDM
    		Polyester PlasticBlack6057K11600000
     

    High-Capacity Narrow-Wedge Cogged V-Belts

    Image of Product. Front orientation. V-Belts. High-Capacity Narrow-Wedge Cogged V-Belts.
    A narrow belt profile transmits up to three times the horsepower of standard cogged V-belts for use on heavy duty drives with shock loads. Notches increase flexibility for bending around small-diameter pulleys and dissipate heat for a long service life.
    Belt Trade
    No.
    Outer
    Circumference
    No. of
    Bands
    Material
    Reinforcement
    Material
    Color
    Each
    3VX Trade Size—3/8" Wide × 21/64" Thick
    3VX40040"1EPDM
    		Polyester PlasticBlack65355K19000000
     

    High-Capacity Narrow-Wedge V-Belts

    Image of Product. Front orientation. V-Belts. High-Capacity Narrow-Wedge V-Belts.
    Image of Attribute. Front orientation. Contains Annotated. High-Capacity Narrow-Wedge V-Belts.
    A narrow belt profile transmits up to three times the horsepower of standard V-belts for use on heavy duty drives with shock loads.
    Belt Trade
    No.
    Outer
    Circumference
    No. of
    Bands
    Material
    Reinforcement
    Material
    Color
    Each
    3V Trade Size—3/8" Wide × 21/64" Thick
    3V40040"1Neoprene
    		Polyester PlasticBlack6230K19000000
     

    Precision V-Belts

    Image of Product. Front orientation. V-Belts. Precision V-Belts.
    Ensure even load distribution on drives with multiple belts. These are matched to the trade size within a tight tolerance for better performance and reduced wear compared to standard A- and B-section V-belts.
    Belt Trade
    No.
    Outer
    Circumference
    No. of
    Bands
    Material
    Reinforcement
    Material
    Color
    Each
    A Trade Size—1/2" Wide × 5/16" Thick
    A3840"1EPDM
    		Polyester PlasticBlack7821T202000000
     
    back to top