Freewheel de agujas INA HF0306-KF

INA HF0306-KF is a freewheel reference, within Power transmission. Request a quote for HF0306-KF via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

The INA HF-KF series needle roller clutch is a power transmission component that allows rotation in one direction and locks movement in the opposite direction. It is used to prevent backspin, as an anti-reverse mechanism, or to engage and disengage shafts depending on the direction of rotation. Its compact needle design makes it suitable for tight spaces and moderate torques.

The HF-KF series designation is read step by step: HF identifies the needle roller clutch family; the following four digits indicate standardized dimensions, where the first two correspond to the bore diameter and the last two to the width, in millimeters. The -KF suffix indicates a design variant within the series. Thus, for example, HF0612-KF has a 6 mm bore diameter and 12 mm width, while HF1012-KF shares the width but has a 10 mm bore diameter. Understanding this logic allows you to quickly identify the size and order the correct part number.

These clutches are used in Argentine industries such as metallurgy, food processing, textiles and machine tools. They are found in anti-reverse systems, one-way clutches, conveyor belts, elevators, automatic doors and transmission equipment where a shaft needs to rotate freely in one direction and remain locked in the opposite direction. They also appear in safety mechanisms that prevent the backspin of loads or linear movements.

To select an HF-KF clutch, you must verify the shaft diameter, the available width, the torque to be transmitted and the rotation speed. Installation requires shafts with adequate tolerance and a hardened surface, since the needles bear directly on the shaft. Lubrication must be the one indicated for the type of sealing and the service conditions; in dusty or humid environments, additional protection should be evaluated. Alignment between shaft and housing is critical to avoid lateral loads and premature wear.

Regarding equivalences, needle roller clutches are interchangeable between manufacturers according to dimensions and load capacity, but suffixes and tolerances do not always match. To replace an INA with another brand, compare bore diameter, outer diameter, width and permissible torque. If the part number is not available, it can be searched by dimensions or by application. MR Accesorios Industriales carries the INA brand and can guide you to the right equivalent.

If you need an INA HF-KF series needle roller clutch, write to us on WhatsApp with the part number or the dimensions of your equipment. At MR Accesorios Industriales we will reply promptly with a quote and the available alternatives. We can also advise you on installation, lubrication and care to extend the service life of the component.

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