Industrial pulley 220 mm, 4 grooves, section B
- Brand
- EMMAR
- Category
- Power transmission
- Subcategory
- Pulleys
- Section
- B
- Series
- Sección B
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Description
EMMAR POLEA 220 4B 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 220 4B and any equivalents.
The 220 4B pulley is a V-belt drive component with a 220 mm diameter and four grooves, designed for section B belts. It transfers power between parallel shafts in industrial machinery, allowing speed adjustments with a consistent ratio. Manufactured in-house under the EMMAR brand, the groove machining and balancing are controlled to support belt life and reduce vibration.
The designation POLEA 220 4B breaks down into three key specifications: a 220 mm diameter, four grooves, and a section B profile. Section B corresponds to V-belts with a medium cross-section, commonly used in moderate-power industrial drives. The grooves are machined so the belt contacts the flanks rather than the bottom, which is essential for proper power transmission.
Typical applications include fans, centrifugal pumps, compressors, conveyor belts, and machine tools. In these setups, the pulley often runs with multiple belts in parallel, and the number of grooves determines how much power can be transmitted without overloading any single belt. It is also used where the driven shaft speed needs correction by changing the diameter of the driving or driven pulley.
When selecting or mounting this pulley, first verify the shaft diameter and fastening method: keyway, taper bushing, or set screw. Next, check alignment between pulleys, as angular or parallel misalignment accelerates belt wear. Adjust tension according to the equipment manual or with a tension gauge. For high-speed shafts, verify balancing to prevent vibration.
If you need a different size or an equivalent pulley, send the part number POLEA 220 4B via WhatsApp along with your shaft diameter and the number of grooves required. We can also suggest which pulley from another section or with more grooves fits your drive. With that information, we provide a quote and alternatives with no obligation.
MR Industrial Accessories manufactures pulleys and other power transmission components. For questions about the 220 4B pulley or to request a quote, contact us by WhatsApp with the part number and your equipment details. We respond with the technical information you need to make a decision.
Dimensions
- Size
- 220mm
- Grooves
- 4
- Section
- B
Frequently asked questions
- What does 4B mean in the 220 4B pulley?
- The 4 indicates the number of grooves, and the B indicates the V-belt section. In this case, it is four grooves for a section B belt, which allows more power to be transmitted than a single-groove pulley.
- How do I request a pulley with a different shaft size?
- Send the part number POLEA 220 4B by WhatsApp and include the shaft diameter you need. With that data, we can identify an equivalent pulley or manufacture it to the requested size.
- What should I check when mounting a four-groove pulley?
- Check the alignment between pulleys, the belt tension, and the condition of the grooves. Also ensure that the keyway or taper bushing fits properly on the shaft to avoid movement and premature wear.