
INA HFL0308-KF-R freewheel de agujas
- Brand
- INA
- Category
- Power transmission
- Subcategory
- Freewheels
We reply promptly.
Tell us the quantity you need and request a quote by WhatsApp or email.
Can't find the exact model? Tell us the part number or model you need. We'll track it down and quote it, whether or not it appears in our catalog.
Description
INA HFL0308-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 HFL0308-KF-R and any equivalents.
INA needle roller freewheel clutches are components that permit motion in a single direction while blocking it in the reverse direction. They serve as retention, non-return or indexing elements in machinery where rotation must be controlled without external commands. MR Industrial Accessories LLC supplies this line and offers technical guidance to match the right part number to your application.
The part number breaks down into sections. The letters HFL denote the family of needle roller freewheel clutches with retaining rollers. The following digits specify the series dimensions: in HFL0308-KF-R, HFL0408-KF-R and HFL0606-KF-R the assembly diameter and width differ, while HFL0615-KF-R, HFL0806-KF-R and HFL0822-KF-R cover additional combinations. The KF suffix marks the variant with integrated lubrication, and the R indicates a sealed or laterally sealed version, as applicable.
Typical installations include machine tools, conveyors, packaging equipment, elevators, automatic doors and positioning systems. They also appear in production lines, textile machinery, printing presses and feed mechanisms where a shaft needs to turn freely one way and stay locked the other. Gearboxes, starting clutches and safety devices that prevent reverse rotation are other common uses.
When selecting a clutch, consider the shaft diameter, the width available, the required locking direction and the lubrication conditions. The KF variant comes with lubricant already in place, but confirm it suits the working environment. Proper mounting demands careful alignment and clean surfaces, since misalignment affects needle contact and shortens service life. For equipment subject to vibration or varying loads, inspect clearance and sealing.
Interchange between manufacturers is possible by part number and standard dimensions, yet nomenclature differs across brands. An INA HFL part number may have a counterpart in another line, even if the sealing or lubrication suffixes are not identical. Compare diameter, width, locking torque and seal type before substituting. We can help you verify equivalence with the original part number.
To request an INA needle roller freewheel clutch, send the complete part number by WhatsApp or email, or provide the equipment model where it is mounted. With that information we identify the correct HFL variant and quote promptly. We can also suggest an alternative within the same family if needed.
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 does the KF suffix mean in an INA freewheel clutch?
- KF indicates a variant with factory-installed lubrication. This saves time during mounting because no lubricant must be added. Still, check that the lubricant is compatible with the temperature and environment of your equipment.
- How do I choose between the different HFL part numbers?
- Compare the shaft diameter, the available width and the required locking torque. Part numbers such as HFL0308-KF-R or HFL0822-KF-R cover different size combinations. If unsure, send us the measurements and intended use via WhatsApp.
- Can they be replaced by freewheel clutches from another brand?
- Yes, dimensional equivalents exist, but the nomenclature changes. You must compare diameter, width, locking direction and seal type. A similar part number alone is not enough. We verify interchangeability before quoting.

