Product page
Industrial pulley 340 mm, 8 grooves, section C
- Manufacturer Part Number
- POLEA 340 8C
- Brand
- EMMARIn-house manufacturing
- Category
- Power transmission
- Subcategory
- Pulleys
- Series
- Sección C
In-house manufacturing
We respond promptly.
Request your quote via WhatsApp or email, with the quantity and time frame you need.
Can't find the exact model? Write to us with the part number or model you're looking for: we'll find it and quote it, even if it's not listed in the catalog.
Description
EMMAR POLEA 340 8C is a pulleys reference, within Power transmission. Request a quote for POLEA 340 8C via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.
The 340 8C pulley is a V-belt drive pulley, section C, with a 340 mm diameter and 8 grooves. It is used to transmit power between parallel shafts in industrial equipment, allowing several speed ratios depending on the combined diameters. As it is in-house manufacturing, EMMAR brand, the machining and balancing are controlled for stable operation. It is a key part in the maintenance of production lines, mills, compressors and ventilation systems.
This pulley has a 340 mm diameter, 8 grooves and section C. Section C corresponds to wide-profile V-belts, suitable for transmitting high power. The 8 grooves allow the load to be distributed among several belts, which reduces the stress on each one and improves the reliability of the drive. The 340 mm diameter defines the transmission ratio when combined with another pulley in the system. It is a cast iron or machined steel part, depending on the use, and is manufactured at MR with dimensional control.
It is used in machines that need to transmit power from a motor to a working shaft: mills, mixers, screw compressors, centrifugal fans, conveyor belts and pumping equipment. It is also common in the food, chemical and aggregate processing sectors. Having 8 grooves, it is usual in drives where redundancy or high torque capacity is needed. It can be mounted on shafts with a keyway or with a taper bushing, depending on the equipment design.
To correctly select this pulley, take into account the pitch diameter, the number of grooves, the belt section and the type of bushing or bore. Check that the motor or machine shaft is compatible in diameter and keyway length. Alignment between pulleys is critical: misalignment accelerates belt wear and generates vibrations. Also check the belt tension and the condition of the grooves before mounting. If the equipment works with variable loads, balancing should be evaluated.
If you need a pulley with another number of grooves, another diameter or a different section, we can manufacture it or find an equivalent. For that, send us the part number of the original pulley, the full designation (for example, 340 8C) and the shaft dimensions: diameter, length and keyway. A photo of the part and of the equipment nameplate also helps. With those data we verify compatibility and offer the alternative that best fits your machine.
To request a quote for this 340 8C pulley or ask about a nearby size, send us the part number by WhatsApp to MR Accesorios Industriales. We reply with the manufacturing and bore machining options. If you have doubts about the section or the number of grooves, attach a photo of the belt and of the old pulley. That way we advise you directly and you avoid buying a part that does not fit.
Dimensions
- Size
- 340mm
- Grooves
- 8
- Section
- C
Frequently Asked Questions
- What does it mean that it is in-house manufacturing, EMMAR brand?
- It means that MR Accesorios Industriales produces it in its factory, with control of dimensions and materials. It is not a third-party part resold: it is manufactured to specification and the bore or keyway can be adapted to your shaft.
- Can I order a pulley with another diameter or number of grooves?
- Yes. As it is in-house manufacturing, we can develop pulleys with different sizes, grooves or sections. Send the dimensions of your shaft and the designation of the original pulley so we can give you a compatible alternative.
- How do I know if section C is the right one for my equipment?
- Section C is used with wide-profile V-belts, for high power. Check the width and height of the belt you have mounted. If it matches profile C, this pulley is suitable. If in doubt, ask us with a photo.

