
SKF PHP 6-8V3550-N drive pulley
- Brand
- SKF
- Category
- Power transmission
- Subcategory
- Pulleys and V-belts
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Description
SKF PHP 6-8V3550-N belongs to drive pulley, 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 PHP 6-8V3550-N and any equivalents.
The SKF PHP 5-8V4450-N is a V-belt drive pulley built for power transmission between shafts in industrial machinery. It suits pumps, fans, compressors and process equipment where the drive points sit some distance apart. Its construction helps absorb misalignment and vibration, which supports long service life of the assembly. MR Industrial Accessories LLC supplies this SKF line, so you can match the pulley to your application.
Reading the designation helps you confirm the part before ordering. PHP marks the V-belt pulley series, 5 is the groove count, 8V is the belt profile, 4450 is the belt length code in tenths of an inch, and -N denotes a construction detail. With those four elements you can check groove count, profile and length against the drive you are replacing.
Typical users include food, chemical, petrochemical, cement and mining operations. Processing plants, ventilation systems, mills, mixers and pumping equipment are common installations. Because these drives carry power across longer center distances, they work well where the shafts are not close together. The pulley also handles dusty, humid and variable-temperature environments.
When selecting a pulley and belt, start with the power to be transmitted, the rotation speed, the center distance and the surrounding conditions. Alignment between pulley and shaft deserves attention, since poor alignment wears the belt and the grooves. Tension matters just as much: too much loads the bearings, too little lets the belt slip and wastes efficiency. Lubricating the pulley bearings and keeping contaminants out of the seal area also extends the life of the assembly.
For replacements, a pulley from another manufacturer can serve if profile, groove count and length match. Check dimensional tolerances and balancing before installing, and work from compatibility tables. If anything is unclear, send the designation and our team can suggest an equivalent.
To move forward, send the part number or the full designation by WhatsApp or email. We reply promptly and can help you confirm the right component or a suitable alternative for your drive.
Dimensions
Dimensions and tolerances: Message us the part number on WhatsApp and we'll verify its dimensions and version with the manufacturer's datasheet.
Frequently asked questions
- How do I determine the groove count for a V-belt pulley?
- Groove count follows the power to be transmitted and how many belts the drive needs. More power generally means more grooves. Selection tables or our team can confirm the right figure for your application.
- What does the -N suffix indicate in this designation?
- The -N suffix points to a specific construction feature, such as bushing type or mounting. Check the product data sheet, or send us the complete part number and we will confirm the detail.
- Can belts from other brands run on these SKF pulleys?
- Yes, provided the profile and dimensions match. Verify alignment and inspect the pulley grooves first to avoid premature wear. If you are unsure, send the specifications and we will advise.

