INA HF0812-KF-R freewheel de agujas

INA HF0812-KF-R is a reference of freewheel de agujas, within Power transmission. Request a quote for HF0812-KF-R via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.

The INA HF-KF-R 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, control intermittent feeds and protect mechanisms in industrial equipment. MR Accesorios Industriales supplies this INA line in Buenos Aires, Argentina, with technical advice to choose the right variant for the application.

The designation of the HF-KF-R series is read in blocks: HF identifies the needle roller freewheel family; the numbers that follow indicate the size and load capacity; KF indicates a construction variant with specific sealing or lubrication characteristics; and R distinguishes a particular version within the series. Examples such as HF0306-KF-R, HF0406-KF-R, HF0612-KF-R and HF0812-KF-R show how the part number changes according to size. To select, provide the complete part number shown on the equipment or on the nameplate.

These freewheels are used in the food, packaging, textile, plastics and automation industries, where backstop control or intermittent feed is required. In Argentina, they are commonly found in conveyor belts, filling machines, indexing systems and cutting equipment. They are also used in gearboxes, chain drives and safety mechanisms that must lock in the event of a reversal of rotation. MR Accesorios Industriales supplies them for replacement and new projects.

To select a needle roller freewheel, take into account the shaft diameter, the rotation speed, the torque to be transmitted and the environmental conditions. The KF seal protects against dust and moisture, while the R variant may indicate a specific rolling arrangement. Mounting requires cleanliness, correct alignment and suitable lubrication; poor alignment accelerates wear. If the equipment operates at high temperatures or with dirt, choose the corresponding seal.

Needle roller freewheels are available from different brands, and equivalences are established by dimensions and load capacity, not only by the part number. When replacing an INA with another brand, verify the bore diameter, outside diameter, width and permissible torque. In general, interchangeability requires confirming the sealing arrangement and the direction of rotation. If you have any doubts, send a photo of the part and the dimensions to the MR Accesorios Industriales WhatsApp.

If you need an INA HF-KF-R series needle roller freewheel, write to us on WhatsApp with the part number or the model you are looking for. We will quote you shortly and help you confirm the right variant for your equipment. Since 1945, and we handle technical inquiries from all over the country.