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B (5L) V-Belts

21/32" wide classic industrial belts that are constructed from pre-stretched polyester cord. This style belt is produced using two different part number systems ("B" and "5L"). To select your belt, use the inside circumference measurement of your belt for the "B" part number or the outside circumference for the "5L" Part number. Example B18= 21/32" wide, 18" inner circumference belt. Example: 5L200= 21/32" wide, 20 inch outside circumference belt. Both of these belts in the example are the same belt but show how the two ways the different part numbers come together. All belts are listed here with outer circumference measurements.

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SKU
  • 42" Classic Industrial V-Belt B39 or 5L420

    42" Classic Industrial V-Belt B39 or 5L420

    B39 or 5L420 21/32" Wide belt with 42"outside circumfrence.  Bestorq V-belts are constructed from pre-stretched polyester cord. They are oil and heat resistant to insure maximum performance and life span...

    $6.01

  • 43" Classic Industrial V-Belt B40 or 5L430

    43" Classic Industrial V-Belt B40 or 5L430

    B40 or 5L430 21/32" Wide belt with 43"outside circumfrence.  Bestorq V-belts are constructed from pre-stretched polyester cord. They are oil and heat resistant to insure maximum performance and life span...

    $6.15

  • 58" Classic Industrial V-Belt B55 or 5L580

    58" Classic Industrial V-Belt B55 or 5L580

    B55 or 5L580 21/32" Wide belt with 58"outside circumfrence.  Bestorq V-belts are constructed from pre-stretched polyester cord. They are oil and heat resistant to insure maximum performance and life span...

    $6.16

  • 44" Classic Industrial V-Belt B41 or 5L440

    44" Classic Industrial V-Belt B41 or 5L440

    B41 or 5L440 21/32" Wide belt with 44"outside circumfrence.  Bestorq V-belts are constructed from pre-stretched polyester cord. They are oil and heat resistant to insure maximum performance and life span...

    $6.27

  • 45" Classic Industrial V-Belt B42 or 5L450

    45" Classic Industrial V-Belt B42 or 5L450

    B42 or 5L450 21/32" Wide belt with 45"outside circumfrence.  Bestorq V-belts are constructed from pre-stretched polyester cord. They are oil and heat resistant to insure maximum performance and life span...

    $6.40

  • 46" Classic Industrial V-Belt B43 or 5L460

    46" Classic Industrial V-Belt B43 or 5L460

    B43 or 5L460 21/32" Wide belt with 46"outside circumfrence.  Bestorq V-belts are constructed from pre-stretched polyester cord. They are oil and heat resistant to insure maximum performance and life span...

    $6.54

  • 47" Classic Industrial V-Belt B44 or 5L470

    47" Classic Industrial V-Belt B44 or 5L470

    B44 or 5L470 21/32" Wide belt with 47"outside circumfrence.  Bestorq V-belts are constructed from pre-stretched polyester cord. They are oil and heat resistant to insure maximum performance and life span...

    $6.68

  • 48" Classic Industrial V-Belt B45 or 5L480

    48" Classic Industrial V-Belt B45 or 5L480

    B45 or 5L480 21/32" Wide belt with 48"outside circumfrence.  Bestorq V-belts are constructed from pre-stretched polyester cord. They are oil and heat resistant to insure maximum performance and life span...

    $6.82

  • 49" Classic Industrial V-Belt B46 or 5L490

    49" Classic Industrial V-Belt B46 or 5L490

    B46 or 5L490 21/32" Wide belt with 49"outside circumfrence.  Bestorq V-belts are constructed from pre-stretched polyester cord. They are oil and heat resistant to insure maximum performance and life span...

    $6.95

  • 50" Classic Industrial V-Belt B47 or 5L500

    50" Classic Industrial V-Belt B47 or 5L500

    B47 or 5L500 21/32" Wide belt with 50"outside circumfrence.  Bestorq V-belts are constructed from pre-stretched polyester cord. They are oil and heat resistant to insure maximum performance and life span...

    $7.08

  • 51" Classic Industrial V-Belt B48 or 5L510

    51" Classic Industrial V-Belt B48 or 5L510

    B48 or 5L510 21/32" Wide belt with 51"outside circumfrence.  Bestorq V-belts are constructed from pre-stretched polyester cord. They are oil and heat resistant to insure maximum performance and life span...

    $7.21

  • 52" Classic Industrial V-Belt B49 or 5L520

    52" Classic Industrial V-Belt B49 or 5L520

    B49 or 5L520 21/32" Wide belt with 49"outside circumfrence.  Bestorq V-belts are constructed from pre-stretched polyester cord. They are oil and heat resistant to insure maximum performance and life span...

    $7.35

  • 53" Classic Industrial V-Belt B50 or 5L530

    53" Classic Industrial V-Belt B50 or 5L530

    B50 or 5L530 21/32" Wide belt with 53"outside circumfrence.  Bestorq V-belts are constructed from pre-stretched polyester cord. They are oil and heat resistant to insure maximum performance and life span...

    $7.49

  • 54" Classic Industrial V-Belt B51 or 5L540

    54" Classic Industrial V-Belt B51 or 5L540

    B51 or 5L540 21/32" Wide belt with 54"outside circumfrence.  Bestorq V-belts are constructed from pre-stretched polyester cord. They are oil and heat resistant to insure maximum performance and life span...

    $7.61

  • 55" Classic Industrial V-Belt B52 or 5L550

    55" Classic Industrial V-Belt B52 or 5L550

    B52 or 5L550 21/32" Wide belt with 55"outside circumfrence.  Bestorq V-belts are constructed from pre-stretched polyester cord. They are oil and heat resistant to insure maximum performance and life span...

    $7.76

  • 56" Classic Industrial V-Belt B53 or 5L560

    56" Classic Industrial V-Belt B53 or 5L560

    B53 or 5L560 21/32" Wide belt with 56"outside circumfrence.  Bestorq V-belts are constructed from pre-stretched polyester cord. They are oil and heat resistant to insure maximum performance and life span...

    $7.89

  • 57" Classic Industrial V-Belt B54 or 5L570

    57" Classic Industrial V-Belt B54 or 5L570

    B54 or 5L570 21/32" Wide belt with 57"outside circumfrence.  Bestorq V-belts are constructed from pre-stretched polyester cord. They are oil and heat resistant to insure maximum performance and life span...

    $8.02

  • 59" Classic Industrial V-Belt B56 or 5L590

    59" Classic Industrial V-Belt B56 or 5L590

    B56 or 5L590 21/32" Wide belt with 59"outside circumfrence.  Bestorq V-belts are constructed from pre-stretched polyester cord. They are oil and heat resistant to insure maximum performance and life span...

    $8.30

  • 60" Classic Industrial V-Belt B57 or 5L600

    60" Classic Industrial V-Belt B57 or 5L600

    B57 or 5L600 21/32" Wide belt with 60"outside circumfrence.  Bestorq V-belts are constructed from pre-stretched polyester cord. They are oil and heat resistant to insure maximum performance and life span...

    $8.43

  • 61" Classic Industrial V-Belt B58 or 5L610

    61" Classic Industrial V-Belt B58 or 5L610

    B58 or 5L610 21/32" Wide belt with 61"outside circumfrence.  Bestorq V-belts are constructed from pre-stretched polyester cord. They are oil and heat resistant to insure maximum performance and life span...

    $8.56

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