
INA HF0406-KF-R freewheel de agujas
- Brand
- INA
- Category
- Power transmission
- Subcategory
- Freewheels
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Description
INA HF0406-KF-R belongs to freewheel de agujas, 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 HF0406-KF-R and any equivalents.
The INA HF-KF-R series is a needle roller freewheel for power transmission duty: it permits rotation in one direction while locking the other, so it can stop backdriving, time intermittent feeds and safeguard machinery. MR Industrial Accessories supplies this INA line to maintenance and purchasing teams throughout the United States and Latin America.
Reading the part number helps you match what is on the machine. HF marks the needle roller freewheel family; the following digits set size and load capacity; KF denotes a construction variant tied to sealing or lubrication; R identifies a specific version. Part numbers such as HF0306-KF-R, HF0406-KF-R, HF0612-KF-R and HF0812-KF-R illustrate how the code shifts with size. For selection, use the full number from the equipment or its nameplate.
Typical applications include backstop control and intermittent feed in food, packaging, textile, plastics and automation operations. You will find these units on conveyors, filling machines, indexing systems and cutting equipment, as well as in gearboxes, chain drives and safety mechanisms that need to lock if rotation reverses. MR Industrial Accessories supplies them for both replacement and new projects.
When specifying a freewheel, check shaft diameter, rotation speed, torque to be transmitted and ambient conditions. The KF seal keeps out dust and moisture; the R variant can point to a particular rolling arrangement. Cleanliness, correct alignment and proper lubrication at mounting matter, since misalignment speeds up wear. For hot or dirty locations, select the matching seal.
Several brands offer needle roller freewheels, and equivalents are matched by dimensions and load capacity rather than part number alone. If you are swapping an INA unit for another make, confirm bore diameter, outside diameter, width and permissible torque. Interchangeability usually also requires checking the sealing arrangement and direction of rotation. If anything is unclear, send a photo of the part and its dimensions to the MR Industrial Accessories WhatsApp.
To request an INA HF-KF-R series needle roller freewheel, message us on WhatsApp with the part number or the model you need. We will reply promptly and help you confirm the correct variant for your equipment, including technical questions from across the USA, Canada, Mexico and South America.
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
- What do the letters HF-KF-R mean in an INA freewheel?
- HF is the needle roller freewheel family; the digits give the size; KF indicates a variant with particular sealing or lubrication; R marks a specific version. The complete part number defines the dimensions and characteristics of the part.
- How do I choose the right freewheel for my equipment?
- You need the shaft diameter, speed, torque and environmental conditions. The KF seal protects against dust and moisture. Send the equipment part number or dimensions to WhatsApp and we will advise you on selecting the right variant.
- Do INA freewheels have equivalents from other brands?
- Yes, equivalents are based on dimensions and load capacity. When replacing, verify bore diameter, outside diameter, width and permissible torque. The part number alone is not enough: also confirm sealing and direction of rotation. Consult us on WhatsApp.

