types of power transmission belts

Types of Power Transmission Belts

Have you ever wonder what is the reference of the v-belt you need?You have the dimensions but you don’t know the reference?We will explain the differences and give you the dimensions

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V-Belts High performance, long service life, uniform geometry, high flexibility, suitable for flat belt transmission. Temperature resistance from -35 ºC to +70 ºC. Limited oil resistant, Antistatic

A Section BeltTop Width: ½”Height: 5/16”

B Section BeltTop Width: 21/32”Height: 7/16”

C Section BeltTop Width: 7/8”Height: 17/32”

D Section BeltTop Width: 1-1/4”Height: 3/4”

E Section BeltTop Width: 1-½”Height: 29/32”



Fractional BeltsDesigned for high speed drives and short center distance.

Commonly used in low horsepower motors and diesel engines. Great durability, limited oil resistance and antistatic.

3L BeltTop width: 3/8”Height: 7/32”





Wedge Belts

Fabricated with a specially develop high grade elastomer, low stretch tension cord as reinforcement and a wear resistant fabric as cover, to last long and deliver maximum quality suitable for flat belt transmission.

3V BeltTop width: 3/8”Height: 21/64”

5V BeltTop width: 5/8”Height: 35/64”

8V BeltTop width: 1”Height: 7/8”


Metric BeltsUsed where a high power transmission required is needed and the space is reduced.

Can transmit 1.5 to 2 times higher powers than classical belts with the same top width.

SPB Metric belt:Top width: 17 mmHeight: 13 mm

SPA Metric belt:Top width: 13 mmHeight: 10 mm

SPC Metric belt:Top width: 22 mmHeight: 18 mm

SPZ Metric belt:Top width: 10 mmHeight: 8 mm


Banded BeltsUsed in any application where horsepower capacity or output is needed.

Recommended to use where belt vibration or belt whip causes unsatisfactory results where multiple conventional V-belts are used.

A Banded belt:Top width: ½”Height: 5/8”Pitch distance: 5/8”

B Banded belt:Top width: 21/32”Height: 7/16”Pitch distance: 3/4”

C Banded belt:Top width: 7/8”Height: 17/32”Pitch distance: 1”

D Banded belt:Top width: 1-1/4”Height: 3/4”Pitch distance: 1-7/16”

5V Banded belt:Top width: 5/8”Height: 35/64”Pitch distance: 11/16”

3V Banded belt:Top width: 3/8”Height: 21/64”Pitch distance: 13/32”

8V Banded belt:Top width: 1”Height: 1”Pitch distance: 1-1/8”

3VX Banded belt:Top width: 3/8”Height: 21/64”Pitch distance: 13/32”

5VX Banded belt:Top width: 5/8”Height: 35/64”Pitch distance: 11/16”


Double Sided V-BeltsUse to transmit power on both sides of the belt.

Commonly used on drives that have one or more reverse bends, such as lawn and garden equipment, conveyors and others.

Type AA Double sided belt:Width: ½”Height: 12/32”

Type BB Double sided belt:Width: 21/32”Height: 17/32”

Type CC Double sided belt:Width: 7/8”Height: 11/16”


Automotive Belts

Type 15 Auto belt:Top width: 15/32”Height: 5/16”





types of power transmission belts

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