Skip to main content
All products
Fixed hub pulley, cylindrical metal body with multiple V-grooves and solid center · EMMAR POLEA 350 5B
Industrial pulley 350 mm, 5 grooves, section B

EMMARIn-house manufacturingIn-house manufacturing

Industrial pulley 350 mm, 5 grooves, section B

Manufacturer part numberPOLEA 350 5BAlso known as: POLEA3505B · POLEA350 5B
Brand
EMMAR
Subcategory
Pulleys
Section
B
Series
Sección B
Get a quote for POLEA 350 5B on WhatsApp

We reply promptly.

Tell us the quantity you need and request a quote by WhatsApp or email.

Can't find the exact model? Tell us the part number or model you need. We'll track it down and quote it, whether or not it appears in our catalog.

Ask on WhatsAppAsk by email

Description

EMMAR POLEA 350 5B belongs to pulleys, part of our Power transmission range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for POLEA 350 5B and any equivalents.

The 350 5B pulley from EMMAR is a power transmission component with a 350 mm diameter, 5 grooves, and section B profile. It is designed to accept five V-belts at once, making it suitable for drives that require reliable torque transfer. Common uses include mills, mixers, compressors, and other process equipment. Because EMMAR manufactures this pulley, you can also inquire about variations in diameter, groove count, or finish to match your specific application.

This pulley features a 350 mm diameter, 5 grooves, and section B. Section B refers to the classic V-belt profile, and the five grooves allow the load to be shared among multiple belts, reducing stress on each belt and improving overall drive reliability. The 350 mm diameter plays a key role in determining the transmission ratio when paired with the motor or driven pulley. Depending on the application, the pulley is made from cast iron or machined steel, and it is balanced for typical industrial speeds.

Typical applications include mills, mixers, screw compressors, industrial fans, centrifugal pumps, and conveyors. In these setups, the pulley transmits power from an electric motor or gear reducer to the equipment, with the option to adjust speed by changing the diameter. A 5-groove pulley is often selected when the torque requirement is high or when you want some redundancy: if one belt fails, the system can continue running on the remaining belts until a scheduled maintenance stop.

When selecting this pulley, consider the pitch diameter, number of grooves, belt section, and the type of bushing or center bore. Verify that the diameters of the driving and driven pulleys produce the desired transmission ratio and that the peripheral speed stays within the belt's limits. During installation, align the pulleys carefully, tension the belts according to the manufacturer's recommendation, and check shaft parallelism to prevent premature wear.

If you need a pulley with a different size, groove count, or section, EMMAR can manufacture it. We can also help with replacing an existing pulley based on a sample or measurements. Just provide the outside diameter, bore diameter, number of grooves, and belt section you use. With that information, we will quote the equivalent pulley that best fits your machine.

To request a quote for this 350 5B pulley or ask about a variant, contact us on WhatsApp and send the part number MR-POLEA-B5-350. If you need help with selection, our technical team can assist you in defining the right pulley for your drive. MR Industrial Accessories LLC supplies EMMAR pulleys, split plummer block housings, and ANSI roller chains, along with bearings, seals, and power transmission products for industry.

Dimensions

Size
350mm
Grooves
5
Section
B

Frequently asked questions

What does section B mean for this pulley?
Section B is a standard V-belt profile. The pulley grooves are machined to match this profile so the belt seats properly and transmits power without slipping or uneven wear.
Can I use fewer belts than the number of grooves?
Yes, you can mount fewer belts, but the transmission capacity will be reduced proportionally. It is best to use the number of belts the drive was designed for, or consult us to evaluate your specific case.
How do I request a pulley with a different number of grooves?
Send us a WhatsApp message with the diameter, number of grooves, and section you need. Since EMMAR manufactures these pulleys, we can quote a custom pulley or suggest an alternative from our section B line.
Get a quote for POLEA 350 5B on WhatsApp
Quote on WhatsApp