System of Measurement System of Measurement |
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Outer Circumference Outer Circumference | Show |
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Outer Circumference Outer Circumference | Hide |
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Material Material |
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Number of Bands Number of Bands |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Reinforcement Material Reinforcement Material |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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About Sizing Belts
More
V-Belts


2L, 3L, 4L, and 5L V-belts are commonly used on light duty drives with fractional-horsepower motors. A, B, and C V-belts are for medium and heavy duty drives.
For technical drawings and 3-D models, click on a part number.
| Belt Trade No. | Outer Circumference | Material | Reinforcement Material | Color | Each | |
3L Trade Size—3/8" Wd. × 7/32" Thick. | ||||||
|---|---|---|---|---|---|---|
| 3L680 | 68" | EPDM Rubber | Polyester Plastic | Black | 0000000 | 000000 |
4L Trade Size—1/2" Wd. × 5/16" Thick. | ||||||
| 4L680 | 68" | EPDM Rubber | Polyester Plastic | Black | 00000000 | 00000 |
5L Trade Size—21/32" Wd. × 3/8" Thick. | ||||||
| 5L680 | 68" | EPDM Rubber | Polyester Plastic | Black | 0000000 | 00000 |
A Trade Size—1/2" Wd. × 5/16" Thick. | ||||||
| A66 | 68" | EPDM Rubber | Polyester Plastic | Black | 00000000 | 00000 |
B Trade Size—21/32" Wd. × 13/32" Thick. | ||||||
| B65 | 68" | EPDM Rubber | Polyester Plastic | Black | 00000000 | 00000 |
C Trade Size—7/8" Wd. × 17/32" Thick. | ||||||
| C64 | 68" | Neoprene Rubber | Polyester Plastic | Black | 00000000 | 00000 |
Precision-Matched 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.
For technical drawings and 3-D models, click on a part number.
| Belt Trade No. | Outer Circumference | Material | Reinforcement Material | Color | Each | |
B Trade Size—21/32" Wd. × 13/32" Thick. | ||||||
|---|---|---|---|---|---|---|
| B65 | 68" | EPDM Rubber | Polyester Plastic | Black | 0000000 | 000000 |
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.
For technical drawings and 3-D models, click on a part number.
High-Capacity Narrow-Wedge Cogged V-Belts

A narrow belt profile transmits up to three times the horsepower of standard cogged V-belts for use on heavy duty drives with shock loads. Notches increase flexibility for bending around small-diameter pulleys and dissipate heat for a long service life.
For technical drawings and 3-D models, click on a part number.
| Belt Trade No. | Outer Circumference | Material | Reinforcement Material | Color | Each | |
5VX Trade Size—5/8" Wd. × 35/64" Thick. | ||||||
|---|---|---|---|---|---|---|
| 5VX680 | 68" | EPDM Rubber | Polyester Plastic | Black | 000000000 | 000000 |



























