McMaster-Carr logo
    Filter by
    Belt Trade Number
    Belt Trade Size
    Industrial Info Snippet
    System of Measurement
    Outer Circumference
    Attribute Image
    Number of Bands
    V-Belt Type
    Thickness
    Attribute Image
    Belt Type
    Color
    Reinforcement Material
    U.S.–Mexico–Canada Agreement (USMCA) Qualifying
    DFARS Specialty Metals
    Export Control Classification Number (ECCN)
    Industrial Info Snippet
    Performance
    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)
    3 Products
    About Belts
    industrial info icon

    Measure your old V-belt, timing belt, or pulleys to find the right belt replacement if you don’t know the trade size.

    V-Belts

    Image of Product. Front orientation. V-Belts. V-Belts.
    Image of Attribute. Front orientation. Contains Annotated. V-Belts.
    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
    B Trade Size—21/32" Wide × 13/32" Thick
    B120123"1Buna-N/SBRPolyester PlasticBlack6187K212000000
     

    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.
    B Trade Size—21/32" Wide × 13/32" Thick
    Image of Product. Front orientation. V-Belts. Banded V-Belts.
    Belt Trade
    No.
    Outer
    Circumference
    Material
    Reinforcement
    Material
    Color
    2
    Bands
    3
    Bands
    4
    Bands
    B120123"SBR
    		Polyester PlasticBlack7888K63000000000000000000000

    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
    B Trade Size—21/32" Wide × 13/32" Thick
    B120123"1EPDM
    		Polyester PlasticBlack7899K447000000
     
    back to top