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Industrial pulley 120 mm, 1 groove, section A
- Manufacturer Part Number
- POLEA 120 1A
- Brand
- EMMARIn-house manufacturing
- Category
- Power transmission
- Subcategory
- Pulleys
- Series
- Sección A
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 120 1A is a pulleys reference, within Power transmission. Request a quote for POLEA 120 1A via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.
This industrial pulley with a 120 mm diameter, one groove and section A is a power transmission part manufactured by EMMAR Accesorios Industriales. It is used to mount on shafts and transmit motion through section A V-belts, in equipment that needs a simple and reliable transmission ratio. Its in-house construction allows the machining to be adjusted to the customer's needs within the series. It is a concrete alternative to replace worn pulleys or to assemble a new drive.
The 120 1A pulley has a 120 mm diameter, a single groove and accommodates section A belts. The designation POLEA 120 1A summarizes those three characteristics: size, number of grooves and section. It is manufactured by EMMAR, with dimensional control over the outer diameter, the groove width and the central bore. Since it is in-house manufactured, the shaft seat can be machined to the size you need, as long as it is within the possibilities of the series. Ask us about available tolerances and finishes.
It is used in low and medium power belt drives: fans, compressors, centrifugal pumps, light conveyor belts, mixers and machine tools. It also appears in plant equipment and production lines where a simple reduction or multiplication is required. Being a single-groove pulley, it is common in assemblies where space is limited or where a direct drive without redundancy is sought. If the original equipment comes with a section A pulley, this 120 mm size is usually a direct replacement.
To select it, verify that the belt is section A and that the pitch diameter matches that of the original pulley. Also check the shaft diameter and the type of fastening: keyway, set screw or taper bushing. Alignment between pulleys is key to avoid uneven belt wear and vibration. If the pulley runs at high revolutions, balancing should be checked. At MR we can guide you toward the best option for the application, without committing to lead times or conditions we cannot meet.
If you need a different size or more grooves, we can manufacture it. Send us the part number POLEA 120 1A or a photo of the original pulley with the shaft and groove dimensions. We can also quote a pulley of another section or with a nearby diameter. We work with in-house manufacturing, so we adapt the machining to your need. Write to us on WhatsApp and we will reply with the quote.
At MR Accesorios Industriales we manufacture pulleys, split plummer block housings and ANSI chains, in addition to distributing bearings, seals and power transmission products. With more than 80 years in the industry, we know real plant applications. If you have doubts about the pulley you need, send the part number via WhatsApp and we will advise you.
Dimensions
- Size
- 120mm
- Grooves
- 1
- Section
- A
Frequently Asked Questions
- What does POLEA 120 1A mean?
- The part number indicates a 120 mm diameter, one groove and section A. It is how the pulley is identified within our in-house manufacturing line. If you have a pulley with another size or number of grooves, we can manufacture it to order.
- Does it work for section B belts?
- No, this pulley is designed for section A belts. For section B you need another pulley. Ask us about the size you are looking for and we will quote the right option.
- How do I order a pulley with the bore for my shaft?
- Send us the shaft diameter, the bore length and whether it has a keyway. With that data we manufacture the pulley to size. Write to us on WhatsApp with the part number POLEA 120 1A and we will quote you.

