INA HF0306-KF freewheel de agujas

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

The INA HF-KF series needle roller freewheel is a power transmission component that allows rotation in one direction and locks movement in the opposite direction. It is used to prevent backdriving, as an anti-return 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 in steps: HF identifies the needle roller freewheel 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. Knowing this logic makes it possible to quickly identify the size and order the correct part number.

These freewheels are used in Argentine industries such as metallurgy, food, textile and machine tools. They are found in anti-return 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 backdriving of loads or linear movements.

To select an HF-KF freewheel, you must verify the shaft diameter, the available width, the torque to be transmitted and the rotational speed. Mounting 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.

As for equivalents, needle roller freewheels can be interchanged between manufacturers according to dimensions and load capacity, but the suffixes and tolerances do not always match. To replace an INA with another brand, compare bore diameter, outside diameter, width and permissible torque. It can be searched by dimensions or by application. MR Accesorios Industriales sells the INA brand and can guide you to the right equivalent.

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