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Industrial pulley 270 mm, 3 grooves, section B
- Manufacturer Part Number
- POLEA 270 3B
- Brand
- EMMARIn-house manufacturing
- Category
- Power transmission
- Subcategory
- Pulleys
- Series
- Sección B
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 270 3B is a pulleys reference, within Power transmission. Request a quote for POLEA 270 3B via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.
This industrial pulley, 270 mm in diameter with 3 grooves for section B belts, is a power transmission part manufactured by EMMAR. It is used to build or replace V-belt drives on machines that need to drive several shafts at once. Since it is in-house manufactured, you can ask about machining and finishing variants for your equipment. The commercial designation is POLEA 270 3B and it is identified by its size, number of grooves and section.
The POLEA 270 3B has a 270 mm diameter, 3 grooves and section B. That combination defines how many V-belts of profile B you can mount in parallel and over what diameter they run. Section B corresponds to an industrial-type belt profile, and the three grooves allow the load to be distributed among three belts. The machining of the grooves and the central bore is done in our own factory, so the part is delivered to order. If you need to confirm the shaft diameter or the type of keyway, it is defined at the time of quoting.
It is used in belt drives on machines and equipment where motion must be transmitted from a motor to one or several shafts. It appears in compressors, fans, pumps, mixers, conveyor belts and machine tools. It is also common in factory equipment and production lines that already have a similar pulley and need to replace it. With 3 grooves, it serves drives that require more torque than a single-groove pulley, while keeping the same outside diameter. It is a wear part: with use, the grooves wear and it should be replaced.
To choose it correctly, take into account the outside diameter, the number of grooves and the section of the belt you already use. Check the shaft diameter and the fastening system: it can come with keyway and set screw, with taper bushing, or with a pilot bore for machining. Also check the alignment between pulleys, because misalignment accelerates wear on belts and grooves. If the pulley will run at high speeds, it is advisable to check balancing. In all cases, the final selection is made with the machine data and the existing belt.
If you cannot find the exact size, we can manufacture a custom pulley or look for an equivalent in the power transmission line. For that, send us the part number POLEA 270 3B or the data of the original pulley: diameter, number of grooves, section and shaft diameter. A photo or a sketch with measurements also works. With that, we will reply whether there is a factory pulley that matches or whether it is better to machine it. Variants are handled at the factory.
MR Accesorios Industriales manufactures this pulley and other transmission parts in its factory. If you need a quote for the POLEA 270 3B, write to us on WhatsApp with the part number and quantity. You can also ask about pulleys in other sizes, groove counts or sections, and about the rest of the line: bearings, housings, chains and seals. We will reply with the quote and the alternatives.
Dimensions
- Size
- 270mm
- Grooves
- 3
- Section
- B
Frequently Asked Questions
- What does it mean that it is section B?
- Section B is the V-belt profile that fits into the grooves. It defines the width and depth of the groove. This pulley has 3 grooves for section B belts, so you can mount up to three belts of that profile.
- Can it be ordered with a different shaft bore?
- Yes. Since it is in-house manufactured, the central bore and the keyway are machined according to your machine's shaft. Indicate the shaft diameter and the type of fastening when requesting the quote.
- How do I request an equivalent pulley or a nearby size?
- Send via WhatsApp the part number POLEA 270 3B or the data of the original pulley: diameter, grooves, section and shaft diameter. With that we check whether there is an equivalent or whether it is better to manufacture it to order.

