Industrial pulley 420 mm, 3 grooves, section C

EMMAR POLEA 420 3C is a pulleys reference, within Power transmission. Request a quote for POLEA 420 3C via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

The 420 3C pulley is a V-belt drive pulley, section C, with a 420 mm diameter and three grooves. It is used to drive machine and equipment shafts where torque must be transmitted with one or several belts in parallel. It is in-house manufactured, EMMAR brand, which allows the machining to be adjusted to the dimensions and keyway type your application requires.

This item is a pulley with a 420 mm diameter and three grooves for a section C belt. The designation POLEA 420 3C summarizes those three variables: size, number of grooves and section. The 420 mm diameter corresponds to the outside diameter of the pulley, and the three grooves allow three C belts to be mounted in parallel on the same part. Section C is the one used in higher-power drives within the classic V-belt line.

Typical applications are milling equipment, mixers, compressors, high-flow pumps, industrial fans and continuous process machines. In all those cases the pulley works with one or several belts that transmit motion from a motor to the driven shaft. The three grooves provide redundancy and distribute the load among the belts, which helps sustain torque without demanding more than one belt can handle.

To mount and select this pulley, take into account the shaft diameter, the type and size of the keyway, and the center distance of the system. Check that the driving and driven pulleys have grooves compatible with section C and that the desired drive ratio is correct. Alignment between pulleys is key: angular or parallel misalignment accelerates wear on the belts and the grooves. It is also advisable to check tension according to the belt type and load.

If you need a pulley with a different number of grooves, another diameter or a different section, a nearby size within the same manufacturing line can be evaluated. For that, it is best to send the current part number, the shaft size and the belt section you are using. With that data, it is determined whether a pulley from the same series with another diameter is appropriate or whether a part must be machined to measure. MR manufactures its own pulleys, so adjustment is part of the process.

To request a quote for this pulley or ask about an equivalent one, send the part number POLEA 420 3C by WhatsApp to MR Accesorios Industriales. If you have doubts about the section, the number of grooves or the diameter, write to us with the equipment data and we will guide you. You can also request keyway machining according to your shaft size. Service is direct and straightforward: you send us the part number and we reply with the quote.