Industrial pulley 140 mm, 4 grooves, section A

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

The 140 4A pulley is a V-belt drive pulley manufactured by EMMAR Accesorios Industriales. It has a 140 mm diameter, 4 grooves and section A. It is used to transmit power between parallel shafts in industrial equipment, with the advantage of allowing several speed ratios depending on the combined diameter. Because it is in-house manufactured, machining and balancing are controlled for stable operation. It is a key part in the maintenance of production lines, pumps, fans and compressors.

This pulley has a 140 mm diameter, 4 grooves and section A. Section A corresponds to classic V-belts with a 13 mm top width, suitable for medium power. The four grooves allow four belts to be mounted in parallel, which multiplies transmission capacity and provides redundancy: if one belt fails, the remaining ones keep transmitting. The 140 mm diameter defines the speed ratio together with the drive pulley. Manufactured by MR, it is machined with tight tolerances for correct belt seating.

Typical applications include industrial fans, centrifugal pumps, screw compressors, conveyor belts and machine tools. It is also used in refrigeration equipment and in low and medium power drive systems where a specific speed ratio is required. As a section A pulley with four grooves, it is common in installations that need to transmit approximately 5 to 20 HP, depending on speed and diameter. Its design allows replacing pulleys from other brands while maintaining the same performance.

To correctly select this pulley, take into account the pitch diameter, the number of grooves and the belt section. Verify that the keyway and shaft diameter match those of the machine. Mounting must be done with the shaft clean and free of burrs, tightening the set screw or key as applicable. It is important to align the pulleys to avoid premature belt wear. If you need a different transmission ratio, you can combine this pulley with others of different diameter. The MR section A series includes several sizes to adapt to each need.

If you cannot find the exact size or need an equivalent, send us the part number POLEA 140 4A by WhatsApp. We can also quote a pulley with another diameter or number of grooves within the same section A. To do so, indicate the outside or pitch diameter, the number of grooves and the shaft diameter. With that data, we will provide the closest option. We work with in-house manufacturing, which allows us to adapt to special orders. Ask us about pulleys of other sections or configurations.

MR Accesorios Industriales manufactures this pulley in Argentina, with more than 80 years of experience in power transmission. If you need technical advice or want to confirm compatibility with your equipment, write to us by WhatsApp and we will respond shortly. Request a quote for your 140 4A pulley or any other size in the section A line.