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Pulley with V-grooves and taper bushing · SKF PHP 1-3V300-JA
Drive pulley SKF PHP 1-3V300-JA

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Drive pulley SKF PHP 1-3V300-JA

Manufacturer Part Number
PHP 1-3V300-JA
Brand
SKFOfficial brand
Category
Power transmission
Subcategory
Pulleys and V-belts

SKF

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Description

SKF PHP 1-3V300-JA is a drive pulley reference, within Power transmission. Request a quote for PHP 1-3V300-JA via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

SKF pulleys of the PHP line with 3V groove and JA finish are components for V-belt drives. They are used to transmit power between shafts efficiently, maintaining the speed ratio and absorbing variable loads. They are suitable for industrial applications requiring reliability and low maintenance, such as fans, pumps, compressors and machine tools. MR Accesorios Industriales supplies this line as an official brand for the Argentine market.

The designation PHP identifies SKF pulleys for V-belts. The number that follows indicates the number of grooves: 1 for one belt, 2 for two, and so on. Then comes the belt profile, in this case 3V, which corresponds to a narrow, high-capacity section. The final number, as in PHP 1-3V220-JA, is the pitch diameter in tenths of an inch (220 = 22.0 inches). The suffix JA indicates the type of taper bushing or mounting system, which facilitates installation and adjustment on the shaft.

These pulleys are used in industries such as food, chemical, petrochemical and manufacturing. They are common in centrifugal fans, centrifugal pumps, screw compressors, conveyors and machining equipment. In Argentina, they are found in processing plants, metalworking shops and HVAC systems. Their design allows power transmission with little slip and tolerates minor misalignments, which reduces wear on belts and bearings.

To select a pulley, take into account the belt profile (3V), the number of grooves, the pitch diameter required for the speed ratio and the power to be transmitted. Mounting with a JA taper bushing requires thoroughly cleaning the shaft and the taper, applying the recommended tightening torque and verifying alignment with the drive pulley. Lubrication does not apply to the pulley, but it does to the shaft bearings. Periodically check belt tension and groove wear to avoid vibration.

SKF PHP pulleys are interchangeable with other brands that use the same belt profile and bushing system, provided the pitch diameter, number of grooves and mounting type match. Do not guess part numbers: compare the complete designation and the critical dimensions. If you have doubts, consult the manufacturer or a specialized distributor. Interchangeability depends on the belt and bushing standard, not only on the brand.

To request a quote for SKF PHP 3V-JA pulleys, send the complete part number via WhatsApp to MR Accesorios Industriales. We advise you so that you choose the correct pulley for your application and avoid unplanned downtime. With more than 80 years in the field, at MR Accesorios Industriales we know power transmission.

This description provides guidance on the product type. Check the configuration and dimensions of this reference.

Dimensions

Dimensions and tolerances: Send us the part number via WhatsApp and we'll confirm dimensions, sealing, and internal clearance against the manufacturer's data sheet.

Frequently Asked Questions

What does the JA suffix mean on an SKF PHP pulley?
The JA suffix indicates the type of taper bushing or mounting system. This system facilitates installation and adjustment on the shaft, allowing firm and centered fastening. It is important to verify that the bushing matches the shaft diameter.
Can I replace a pulley from another brand with an SKF PHP one?
Yes, provided the belt profile (3V), number of grooves, pitch diameter and bushing type match. Interchangeability depends on these critical dimensions and on the belt standard. Always consult the complete designation.
How is the speed ratio calculated with 3V pulleys?
The speed ratio is the quotient between the pitch diameters of the drive and driven pulleys. With the pitch diameter data shown in the designation, you can calculate it. Make sure the belt has the right length for the center distance.
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