Industrial pulley 450 mm, 3 grooves, section B

EMMAR POLEA 450 3B is a pulleys reference, within Power transmission. Request a quote for POLEA 450 3B via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

The 450 mm industrial pulley with 3 grooves, B section, is a power transmission component that mounts on shafts to transmit motion through V-belts. Its diameter and number of grooves orient it toward medium-torque applications, where the goal is to distribute the load among several belts. It is an in-house manufactured part, EMMAR Accesorios Industriales brand, designed to replace worn pulleys or to build a new drive.

This item is a pulley with a diameter of 450 mm, 3 grooves and B section. The designation POLEA 450 3B summarizes those three variables: size, number of grooves and belt profile. Section B corresponds to a classic V-belt profile, and the three grooves allow power to be distributed among three belts in parallel. The part is manufactured at MR and is identified with the part number MR-POLEA-B3-450 for ordering.

Typical applications for a pulley of this type appear in industrial machine drive lines: fans, compressors, centrifugal pumps, belt conveyors and process equipment. It is also used to replace original pulleys when the diameter and number of grooves match the existing drive. Being B section with three grooves, it is common in medium-power equipment that needs several belts so as not to overload a single one.

To mount and select a 450 mm pulley with 3 grooves, B section, first verify the shaft diameter and the fastening system (keyway, taper bushing or set screw, as applicable). Then confirm the section and number of grooves of the driving and driven pulleys, because the transmission ratio depends on both diameters. Also check the alignment between pulleys and the belt tension: an off-center pulley accelerates wear on the groove and the belt.

If you need an equivalent pulley or a nearby size, the most practical thing is to send the part number MR-POLEA-B3-450 or the designation POLEA 450 3B by WhatsApp. With that data we can look for a pulley of another diameter, with a different number of grooves or another section, as long as the drive allows it. It is also advisable to indicate the shaft diameter and the type of fastening to avoid mounting errors. MR Accesorios Industriales manufactures pulleys and can adapt the part to the equipment's needs.

To request a quote for this 450 mm, 3-groove, B-section pulley, write to us on WhatsApp with the part number or the designation. If you have doubts about the equivalence with the pulley you are replacing, send a photo or the drive data and we will help you confirm the part. MR Accesorios Industriales works with in-house manufacturing and more than 80 years in the field, so we can guide you on the pulley that best fits your equipment.