Industrial pulley 140 mm, 4 grooves, section B

EMMAR POLEA 140 4B is a pulleys reference, within Power transmission. Request a quote for POLEA 140 4B via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

The 140 4B pulley is a section B V-belt drive pulley, with a 140 mm diameter and 4 grooves. It is used to transmit power between parallel shafts in industrial equipment, where speed must be multiplied or reduced and a stable transmission ratio maintained. It is an in-house manufactured part, EMMAR Accesorios Industriales brand, designed to be mounted on keyed shafts and to work with section B belts.

This item is a pulley with a 140 mm diameter, 4 grooves and section B. The POLEA 140 4B designation summarizes those three variables: the 140 mm outside diameter, the number of grooves (4) and the corresponding belt section (B). Because it is in-house manufactured, EMMAR brand, it is produced under our control and variants of machining, such as bore diameter and keyway, can be requested according to the shaft on which it will be mounted.

Typical applications are belt drives in machines and equipment: fans, compressors, centrifugal pumps, conveyor belts, mixers and mills, among others. In all cases, the pulley is selected based on the power to be transmitted, the speed of the drive shaft and the operating speed of the driven machine. The number of grooves defines how many belts work in parallel and, therefore, the transmission capacity of the assembly.

For mounting, check that the bore and keyway match the shaft, and that the pulley is aligned with the driven pulley. Misalignment, even slight, accelerates wear on the belts and grooves. It is also advisable to check tension according to the belt type and the center distance. If you are replacing an existing pulley, use the diameter, section and number of grooves as a reference, and confirm the shaft diameter before ordering it.

If you need a nearby size or an equivalent, send us the POLEA 140 4B part number via WhatsApp along with the equipment data: shaft diameter, keyway, number of grooves and belt section. With that we will check whether there is a pulley in our line that fits or whether it is better to manufacture it to measure. We can also guide you if the available space limits the diameter or if you need a different number of grooves.

MR Accesorios Industriales manufactures split plummer block housings, ANSI chains and pulleys, and carries bearings, power transmission, seals, bushings, mounting tools and lubricants. If you have doubts about the 140 4B pulley or want to request a quote, write to us via WhatsApp and we will reply with the data you need to decide.