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    Belt Trade Size
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    Outer Circumference
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    V-Belt Type
    Number of Bands
    Reinforcement Material
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    DFARS Specialty Metals
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    8 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
    3L41041"1EPDM
    		Polyester PlasticBlack6190K54000000
     
    4L Trade Size—1/2" Wide × 5/16" Thick
    4L41041"1EPDM
    		Polyester PlasticBlack6191K9900000
     
    5L Trade Size—21/32" Wide × 3/8" Thick
    5L41041"1EPDM
    		Polyester PlasticBlack6192K5500000
     
    A Trade Size—1/2" Wide × 5/16" Thick
    A3941"1EPDM
    		Polyester PlasticBlack6186K13800000
     
    B Trade Size—21/32" Wide × 13/32" Thick
    B3841"1Buna-N/SBRPolyester PlasticBlack6187K12800000
     

    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
    AX3941"1EPDM
    		Polyester PlasticBlack6054K108000000
     
    BX Trade Size—21/32" Wide × 0.4063" Thick
    BX3841"1EPDM
    		Polyester PlasticBlack6057K12200000
     

    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
    A3941"1EPDM
    		Polyester PlasticBlack7821T203000000
     
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