About Sizing Belts
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V-Belts
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 | |
B Trade Size—21/32" Wd. × 13/32" Thick. | ||||||
|---|---|---|---|---|---|---|
| B122 | 125" | Buna-N/SBR Rubber | Polyester Plastic | Black | 00000000 | 000000 |
High-Capacity Narrow-Wedge V-Belts
A narrow belt profile transmits up to three times the horsepower of standard V-belts for use on heavy duty drives with shock loads.
For technical drawings and 3-D models, click on a part number.
| Belt Trade No. | Outer Circumference | Material | Reinforcement Material | Color | Each | |
5V Trade Size—5/8" Wd. × 35/64" Thick. | ||||||
|---|---|---|---|---|---|---|
| 5V1250 | 125" | EPDM Rubber | Polyester Plastic | Black | 00000000 | 0000000 |
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. | ||||||
|---|---|---|---|---|---|---|
| B122 | 125" | EPDM Rubber | Polyester Plastic | Black | 00000000 | 000000 |
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. | ||||||
|---|---|---|---|---|---|---|
| 5VX1250 | 125" | EPDM Rubber | Polyester Plastic | Black | 000000000 | 0000000 |
Double V-Belts
Grooves on both sides of these belts transmit equal power, making them ideal for serpentine drives.
For technical drawings and 3-D models, click on a part number.
| Belt Trade No. | Outer Circumference | Material | Reinforcement Material | Color | Each | |
BB Trade Size—21/32" Wd. × 17/32" Thick. | ||||||
|---|---|---|---|---|---|---|
| BB120 | 125" | Neoprene Rubber | Polyester Plastic | Black | 0000000 | 000000 |