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    11 Products
    About Belts
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    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.
    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
    3L70070"1EPDM
    		Polyester PlasticBlack6190K92000000
     
    4L Trade Size—1/2" Wide × 5/16" Thick
    4L70070"1EPDM
    		Polyester PlasticBlack6191K6100000
     
    5L Trade Size—21/32" Wide × 3/8" Thick
    5L70070"1EPDM
    		Polyester PlasticBlack6192K3800000
     
    A Trade Size—1/2" Wide × 5/16" Thick
    A6870"1EPDM
    		Polyester PlasticBlack6186K17100000
     
    B Trade Size—21/32" Wide × 13/32" Thick
    B6770"1Buna-N/SBRPolyester PlasticBlack6187K16100000
     

    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
    AX6870"1EPDM
    		Polyester PlasticBlack6054K142000000
     
    BX Trade Size—21/32" Wide × 0.4063" Thick
    BX6770"1EPDM
    		Polyester PlasticBlack6057K14300000
     

    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
    A6870"1EPDM
    		Polyester PlasticBlack7821T213000000
     
    B Trade Size—21/32" Wide × 13/32" Thick
    B6770"1EPDM
    		Polyester PlasticBlack7899K1500000
     

    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
    Image of Product. Front orientation. V-Belts. Banded V-Belts.
    2 Bands
    Belt Trade
    No.
    Outer
    Circumference
    Material
    Reinforcement
    Material
    Color
    Each
    A6870"SBR
    		Polyester PlasticBlack1093N322000000
    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
    B6770"SBR
    		Polyester PlasticBlack7888K3400000000000000000000
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