Industrial pulley 450 mm, 4 grooves, section A

EMMAR POLEA 450 4A is a pulleys reference, within Power transmission. Request a quote for POLEA 450 4A via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

The 450 4A pulley is a power transmission pulley manufactured by EMMAR Accesorios Industriales. It has a 450 mm diameter, 4 grooves and section A, which makes it suitable for driving several shafts at once with V-belts of that section. It is used in machines that need to distribute motion from a single motor to different points, such as production lines, pumping equipment or ventilation systems. Because it is in-house manufactured, you can ask about machining variants according to the equipment's needs.

This item is a pulley with a 450 mm diameter, 4 grooves and section A. The designation POLEA 450 4A summarizes those three characteristics: the outside diameter, the number of grooves and the belt section it accepts. The grooves are machined for section A V-belts, so the pulley can take four belts in parallel. It is a power transmission part designed to be mounted on a shaft and transmit rotation by means of belts.

The typical applications of a 4-groove section A pulley appear in equipment where torque must be transmitted from a motor to one or several shafts. It is found in production lines, machine tools, pumping equipment, industrial fans and transmission systems in general. Having several grooves allows the load to be distributed among several belts, which is useful when the aim is to spread the effort or when a certain redundancy in the transmission is needed.

To mount and select this pulley, it is advisable to verify the shaft diameter, the type of keyway and the intended fastening system. The alignment between the driving and driven pulleys must also be checked, because misalignment accelerates wear on the belts and the grooves. The number of grooves and the section must match those of the complementary pulley. If the equipment works with variable loads, it is recommended to check the belt tension and the condition of the grooves before start-up.

If you need an equivalent pulley or a nearby size, the most practical thing is to send the part number POLEA 450 4A or that of the original pulley by WhatsApp. With that data, the diameter, number of grooves and section can be compared, and it can be assessed whether there is an in-house manufacturing variant that fits. Special machining can also be requested, such as different shaft diameters or fastening types, as long as the required dimensions are provided.

MR Accesorios Industriales manufactures this pulley and other power transmission parts. If you have doubts about the equivalence with another brand or need to confirm whether this size fits your equipment, write to us by WhatsApp with the part number and the shaft data. That way the application can be reviewed and the best option defined.