Industrial pulley 140 mm, 4 grooves, section A

EMMAR POLEA 140 4A belongs to pulleys, part of our Power transmission range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for POLEA 140 4A and any equivalents.

This EMMAR pulley, identified as 140 4A, is a V-belt drive component with a 140 mm diameter, four grooves, and Section A profile. It transmits power between parallel shafts in industrial machinery, and the combination of diameters determines the speed ratio. The four grooves accept multiple belts, which can increase transmission capacity and provide redundancy. Manufactured in-house, the pulley undergoes controlled machining and balancing for stable operation. It is a common maintenance part for production lines, pumps, fans, and compressors.

The designation 140 4A indicates a 140 mm diameter and four grooves for Section A belts. Section A corresponds to classic V-belts with a 13 mm top width, typically used for medium power drives. With four grooves, up to four belts can be installed in parallel, multiplying the transmission capacity and offering redundancy: if one belt fails, the remaining belts continue to transmit power. The 140 mm diameter, together with the driving pulley diameter, defines the speed ratio. As an in-house manufactured product, it is machined to tight tolerances for proper belt seating.

Typical applications include industrial fans, centrifugal pumps, screw compressors, conveyor belts, machine tools, and refrigeration equipment. It is also found 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 replacement of pulleys from other brands while maintaining the same performance.

When selecting this pulley, consider the pitch diameter, number of grooves, and belt section. Verify that the keyway and shaft diameter match the machine. During assembly, ensure the shaft is clean and free of burrs, and tighten the set screw or key as applicable. Proper alignment of pulleys is important to prevent premature belt wear. If a different drive ratio is needed, this pulley can be combined with others of different diameters. The MR Section A series includes several sizes to suit various requirements.

If you cannot find the exact size or need an equivalent, send 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, provide the outside or pitch diameter, the number of grooves, and the shaft diameter. Our in-house manufacturing allows us to adapt to special orders. Ask us about pulleys in other sections or configurations.

For technical advice or to confirm compatibility with your equipment, write to us by WhatsApp and we will reply promptly. Request a quote for your 140 4A pulley or any other size in the Section A line.