Industrial pulley 550 mm, 5 grooves, section B
- Brand
- EMMAR
- Category
- Power transmission
- Subcategory
- Pulleys
- Section
- B
- Series
- Sección B
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Description
EMMAR POLEA 550 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 550 5B and any equivalents.
The POLEA 550 5B is a belt drive pulley made by EMMAR with a 550 mm outside diameter and five grooves for section B belts. It suits equipment shafts that need torque carried by several belts running in parallel, such as compressors, industrial fans, mills and conveyors. As an in-house manufactured item, machining and balancing can be adapted to the application.
Read the designation in three parts: 550 is the diameter in millimeters, 5 is the number of grooves, and B is the belt section. Section B is a standard industrial belt profile, and running five belts spreads the load across them so no single belt carries the full drive. Machining and balancing are set according to the final use.
Typical installations are drives that run continuously: screw compressors, centrifugal fans, mills, mixers, conveyors and general process machinery. The same pulley can appear on gearboxes and pumps where the design calls for a defined transmission ratio. Before selecting it, confirm the power to be transmitted, the working rpm and how many belts are needed so the pulley stays within a reasonable operating range.
For mounting, check the shaft diameter, the fastening method (keyway, taper bushing or set screw), the center distance and the alignment with the driven pulley. A 550 mm, 5-groove pulley is the choice when power and rpm call for several section B belts working together. Keep the grooves clean and free of wear, and maintain correct belt tension to limit vibration and slippage.
If you are replacing an existing pulley, send the part number POLEA 550 5B or the original data: diameter, number of grooves, section and shaft diameter. Our team will propose the in-house variant that fits and can review special machining such as keyways or bushings within the factory's capabilities.
To request a quote or ask about another size, message us on WhatsApp or by email with the part number POLEA 550 5B. MR Industrial Accessories supplies pulleys and other transmission components, and we can suggest equivalents or help you choose. If the section or groove count is unclear, send a photo or sketch and we will review it.
Dimensions
- Size
- 550mm
- Grooves
- 5
- Section
- B
Frequently asked questions
- What do the numbers and letter in POLEA 550 5B stand for?
- The 550 is the pulley diameter in millimeters, the 5 is the number of grooves, and the B is the belt section. This nomenclature is common in belt drives and lets you identify size and profile at a glance.
- Can I get this pulley in a different diameter or groove count?
- Yes. Since EMMAR manufactures these pulleys in-house, diameter, number of grooves and bore machining can be varied. Send the dimensions you need and we will point you to the matching in-house variant.
- How do I confirm this pulley fits my equipment?
- Compare the outside diameter, groove count, belt section and shaft diameter against your original pulley. With those figures we can help you decide whether this size works or another one is a better match.