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Industrial pulley 400 mm, 3 grooves, section C
- Manufacturer Part Number
- POLEA 400 3C
- 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 400 3C is a pulleys reference, within Power transmission. Request a quote for POLEA 400 3C via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.
The 400 3C pulley is a V-belt drive pulley manufactured by EMMAR Accesorios Industriales. It has a 400 mm diameter and three 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 machining details to suit your application. If you need to replace an existing pulley or build a new drive, send us the part number and we'll quote you.
This item is a pulley with a 400 mm diameter, 3 grooves and section C. The designation POLEA 400 3C summarizes those three characteristics: the outside diameter, the number of grooves and the belt profile it accepts. Section C corresponds to type C V-belts, which are used in higher-power drives than sections A or B. Being in-house manufactured, EMMAR brand, we control the groove machining and balancing so that the pulley runs without vibration at the usual speeds of this type of drive.
Typical applications for a 400 mm pulley with 3 grooves section C are equipment that moves significant loads: screw compressors, large centrifugal pumps, industrial fans, mills, mixers and conveyors. It is also found in continuous-process machines where speed must be maintained without slipping. Having three grooves allows the power to be distributed among three belts, which reduces the load on each one and gives smoother running. It is a size that commonly appears in plant equipment and in replacements of worn pulleys.
To mount this pulley, check that the shaft has a diameter and keyway compatible with the pulley bore. Alignment between the drive and driven pulleys is key: angular or parallel misalignment accelerates wear on the belts and the grooves. Tension the belts according to the equipment manual or with a tension gauge, without overdoing it so as not to overload the bearings. If the pulley is going to rotate at high speed, it should be balanced. When selecting, take into account the power to be transmitted, the shaft speed and the type of section C belt you are going to use.
If you need a pulley equivalent to the 400 3C, or a nearby size, send us the equipment data: diameter, number of grooves, belt section and bore diameter with keyway. It also helps if you send us a photo of the old pulley or the part number marked on it. With that data we check whether we have an in-house manufactured pulley that fits or whether we can machine one to measure. We work with standard section C sizes and also with bore and groove variants.
To request a quote for the 400 3C pulley or ask about an equivalent, send the part number POLEA 400 3C by WhatsApp to MR Accesorios Industriales. We'll reply with the quote and the alternatives. If you have doubts about the section or the number of grooves, write to us and we'll help you identify the correct pulley for your equipment.
Dimensions
- Size
- 400mm
- Grooves
- 3
- Section
- C
Frequently Asked Questions
- What does 400 3C mean in the pulley designation?
- The 400 indicates the pulley diameter in millimeters. The 3 corresponds to the number of grooves, and the C to the V-belt section it accepts. This is a common nomenclature for identifying belt drive pulleys.
- What type of belt does this pulley use?
- It uses section C V-belts. This is a larger section than A or B, suitable for transmitting more power. Check that the belts you have are section C so they fit correctly in the grooves.
- Can I request a pulley with a different bore diameter?
- Yes, being in-house manufactured, EMMAR brand, we can machine the bore and keyway according to your equipment shaft. Send us the shaft diameter, keyway width and number of grooves you need to request a quote for the variant.

