
Industrial pulley 320 mm, 6 grooves, section B
- Brand
- EMMAR
- Category
- Power transmission
- Subcategory
- Pulleys
- Section
- B
- Series
- Sección B
We respond promptly.
Since 1945 · Martínez, Buenos Aires, Argentina
Request your quote via WhatsApp or email, with the quantity 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 320 6B is a reference of pulleys, within Power transmission. Request a quote for POLEA 320 6B via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.
The 320 6B pulley is a V-belt drive pulley manufactured by EMMAR Accesorios Industriales. It has a 320 mm diameter, 6 grooves and section B, which makes it suitable for transmitting power in equipment that requires several belts in parallel. It is used in fans, compressors, pumps and production machines that work with moderate to high load regimes. As it is in-house manufactured, MR controls groove machining and balancing, two key factors for belts to last and the equipment not to vibrate.
This item is a pulley with a 320 mm diameter, 6 grooves and section B. Section B corresponds to classic profile V-belts, and the 6 grooves allow mounting up to six belts in parallel on the same pulley. The 320 mm diameter defines the transmission ratio when combined with another pulley of the same system. The designation POLEA 320 6B summarizes those three data points: size, number of grooves and section. It is a machined cast iron part, with ground grooves so the belt support is uniform throughout its entire length.
Typical applications of a pulley of this type are in driving industrial fans, screw compressors, centrifugal pumps and transmission lines with medium-power electric motors. It is also used in production machines where the load needs to be distributed among several belts so as not to overload a single one. In all those cases, the pulley is mounted on the shaft of the driven equipment or the motor, and works together with a driving or driven pulley of a different diameter to achieve the working speed.
To select and mount this pulley, take into account the belt section: it must be B, not A or C. Verify that the 320 mm diameter is compatible with the transmission ratio you need and with the space available on the machine. The 6 grooves require that the driving pulley has the same number or a compatible one, and that all belts are changed together so they work with the same tension. Before mounting, check that the shaft has no burrs and that the pulley fits with the correct fit; afterwards, align the pulleys with a straightedge or a laser to avoid uneven wear.
If you need an equivalent pulley, the most practical thing is to send us the part number POLEA 320 6B or the data of the original pulley: diameter, number of grooves and section. With that we will indicate the in-house manufactured pulley with those characteristics or adapt an existing one. We can also guide you if the space does not allow 320 mm and a smaller or larger diameter must be found, always respecting section B and the number of grooves required by your transmission.
MR Accesorios Industriales manufactures this pulley at its plant and sells it directly. To request a quote, send the part number by WhatsApp and we will reply with the technical data. We can also advise you on mounting, alignment and belt tension so the system works without vibrations or premature wear.
Dimensions
- Size
- 320mm
- Grooves
- 6
- Section
- B
Frequently Asked Questions
- What does it mean that it is section B?
- Section B is a classic V-belt profile. It is not interchangeable with section A or C belts: the width and height of the groove are different. This pulley is machined to receive section B belts in its 6 grooves.
- Can I use fewer than 6 belts on this pulley?
- Yes, fewer belts can be mounted, but the transmission will be limited to the power those belts can transmit. If the original calculation called for 6, it is advisable to keep all 6 so as not to overload the remaining ones.
- How do I order a pulley with a different diameter or number of grooves?
- Send the diameter, the number of grooves and the section you need by WhatsApp. With that data we manufacture it or indicate the equivalent standard size. It also helps if you send a photo or the part number of the original pulley.

