McMaster-Carr logo
    Filter by
    Belt Trade Size
    Industrial Info Compare
    System of Measurement
    Outer Circumference
    Attribute Image
    Number of Bands
    U.S.–Mexico–Canada Agreement (USMCA) Qualifying
    Belt Type
    Reinforcement Material
    DFARS Specialty Metals
    Export Control Classification Number (ECCN)
    Industrial Info Snippet
    Color
    Performance
    Overall Width
    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)
    12 Products

    V-Belts

    Image of Product. Front orientation. V-Belts. V-Belts.
    Image of Attribute. Front orientation. Contains Annotated. V-Belts.
    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, B Trade Size, and C 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
    4L Trade Size—1/2" Wide × 5/16" Thick
    4L79079"1EPDM
    		Polyester PlasticBlack6191K67000000
     
    5L Trade Size—21/32" Wide × 3/8" Thick
    5L79079"1EPDM
    		Polyester PlasticBlack6192K7700000
     
    A Trade Size—1/2" Wide × 5/16" Thick
    A7779"1EPDM
    		Polyester PlasticBlack6186K18100000
     
    B Trade Size—21/32" Wide × 13/32" Thick
    B7679"1Buna-N/SBRPolyester PlasticBlack6187K17100000
     
    C Trade Size—7/8" Wide × 17/32" Thick
    C7579"1EPDM
    		Polyester PlasticBlack65275K1900000
     

    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
    AX7779"1EPDM
    		Polyester PlasticBlack6054K175000000
     
    BX Trade Size—21/32" Wide × 0.4063" Thick
    BX7679"1EPDM
    		Polyester PlasticBlack6057K19300000
     
    CX Trade Size—7/8" Wide × 0.5313" Thick
    CX7579"1EPDM
    		Polyester PlasticBlack65415K6400000
     

    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
    A7779"1EPDM
    		Polyester PlasticBlack7821T223000000
     
    B Trade Size—21/32" Wide × 13/32" Thick
    B7679"1EPDM
    		Polyester PlasticBlack7899K2500000
     

    Double V-Belts

    Image of Product. Front orientation. V-Belts. Double V-Belts.
    Image of Attribute. Front orientation. Contains Annotated. Double V-Belts.
    Grooves on both sides of these belts transmit equal power, making them ideal for serpentine drives.
    Belt Trade
    No.
    Outer
    Circumference
    No. of
    Bands
    Material
    Reinforcement
    Material
    Color
    Each
    BB Trade Size—21/32" Wide × 17/32" Thick
    BB7479"1Neoprene
    		Polyester PlasticBlack5719N43000000
     

    Banded V-Belts

    Image of Product. Front orientation. V-Belts. Banded V-Belts.
    Also known as serpentine belts, these have multiple bands that function as a single unit for consistent drive performance and even load distribution. They handle shock loads better than standard belts.
    A Trade Size—1/2" Wide × 5/16" Thick
    2 Bands
    Belt Trade
    No.
    Outer
    Circumference
    Material
    Reinforcement
    Material
    Color
    Each
    A7779"SBR
    		Polyester PlasticBlack1093N372000000
    back to top