Industrial pulley 420 mm, 4 grooves, section C

EMMAR POLEA 420 4C is a pulleys reference, within Power transmission. Request a quote for POLEA 420 4C via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

The 420 4C pulley is a V-belt drive pulley, manufactured by EMMAR Accesorios Industriales. It has a 420 mm diameter and 4 grooves for section C belts. It is used to transmit power between parallel shafts in industrial equipment, with the advantage that, being in-house manufactured, we can adjust the machining to what your assembly requires. If you are building or replacing a drive, this pulley lets you run several grooves with a single mass and maintain the alignment of the assembly.

This pulley has a 420 mm outside diameter and 4 grooves machined for section C belts. The designation POLEA 420 4C summarizes those two variables: the diameter in millimeters and the number of grooves. Section C corresponds to a heavy-duty industrial V-belt profile, designed to transmit high torques. As it is an in-house manufactured pulley, EMMAR brand, the machining of the bore, the keyway and the balancing are defined according to the shaft where it is mounted, so it is advisable to have the shaft diameter and the type of fastening at hand before ordering it.

Typical applications of a 4-groove section C pulley are medium- and high-power drives: mills, mixers, screw compressors, large centrifugal pumps, industrial fans and process lines in food or chemical plants. It is also used in lifting equipment and in wood or plastic machines where speed must be multiplied or reduced with several grooves in parallel. In all those cases, the pulley works together with a set of belts and a driving or driven pulley that defines the drive ratio.

To select the pulley properly, take into account the power to be transmitted, the RPM of the faster shaft and the desired drive ratio. The number of grooves and the belt section determine how much power passes through each run. During mounting, check the alignment between pulleys with a straightedge or laser, the belt tension and that the keyway fits without play. A misaligned pulley or one with uneven tension between grooves wears out belts and bearings prematurely. If the shaft has a large diameter, it is advisable to evaluate the available mass thickness.

If you need a nearby size, another diameter or a pulley with a different number of grooves, send us the part number POLEA 420 4C or the shaft data and the belt you are using. Since we manufacture our own pulleys, we can quote a variant with the bore, keyway or balancing your equipment requires. We can also review whether a pulley from another section or a complete assembly with the driving pulley suits you better. The idea is that you do not buy a pulley that later does not fit the shaft or does not match the belts you already have.

To request a quote for this pulley or an equivalent one, write to us by WhatsApp with the part number POLEA 420 4C and tell us the shaft diameter, the keyway and the number of grooves you need. At MR Accesorios Industriales we have more than 80 years in the field and we manufacture pulleys, split plummer block housings and ANSI chains, in addition to distributing bearings, seals and power transmission products. With that data we send you the quote and confirm the machining available for your case.