Industrial pulley 330 mm, 3 grooves, section B

EMMAR POLEA 330 3B belongs to pulleys, part of our Power transmission range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for POLEA 330 3B and any equivalents.

The 330 3B pulley is a V-belt drive component with a 330 mm diameter, three grooves, and section B profile. It is designed for power transmission systems that use multiple belts in parallel, such as fans, compressors, pumps, and production machinery. The three grooves distribute the load across several belts, enhancing drive reliability and reducing stress on individual belts. The 330 mm diameter plays a key role in determining the transmission ratio when paired with a motor pulley. This pulley is manufactured in-house by EMMAR, allowing for customization to meet specific application requirements.

The designation POLEA 330 3B indicates the key specifications: a 330 mm diameter, three grooves, and section B compatibility. Section B refers to a standard V-belt profile, and the three grooves allow up to three belts to be mounted in parallel. This configuration helps distribute the load and maintain drive continuity. The pulley is typically made from cast iron or machined steel, depending on the application, and is mounted on shafts with keyways. When selecting this pulley, consider the shaft diameter, keyway type, and fastening method (set screw, taper bushing, or plate). Ensure the belt section is B and the number of grooves matches your belt count. The 330 mm diameter must fit within the available space and meet permissible peripheral speed requirements. Proper alignment and belt tension during assembly are critical to prevent irregular wear and vibration.

Typical applications for the 330 3B pulley include industrial ventilation equipment, screw and piston compressors, centrifugal pumps, mixers, conveyor belts, and machine tools. In these systems, the pulley receives motion from the motor and transmits it to the driven machine via section B belts. It is also used when final speed needs correction without changing the motor, as the 330 mm diameter enables moderate transmission ratios. This pulley is a common replacement part in plants with multiple belt drives.

If you require a pulley with a different number of grooves, another diameter, or a different section, EMMAR can manufacture it or help you find an equivalent. To request a quote, send the part number POLEA 330 3B or provide details of the original pulley: diameter, grooves, section, shaft diameter, and fastening type. The more information you provide, the faster we can respond with a suitable option for your equipment.