NTN EC-6309LLB deep groove ball bearing

NTN EC-6309LLB is a reference of deep groove ball bearing, within Bearings. Request a quote for EC-6309LLB via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.

The NTN EC-LLB series deep groove ball bearing is a single-row bearing with double-lip seals, designed to carry moderate radial and axial loads in both directions. It is used in equipment where grease retention and protection against contaminants matter, such as electric motors, pumps, fans and light-duty transmissions. MR Accesorios Industriales sells this series in Buenos Aires, Argentina, and advises you on choosing the right part number for your application.

The EC-LLB series designation reads as follows: EC identifies the medium-section deep groove ball bearing series, and LLB indicates the seal type, in this case double contact lip. Examples in the series, such as EC-6002LLB, EC-6003LLB and EC-6004LLB, show that the middle number (6002, 6003, 6004…) corresponds to the bearing size within the series indicated by the code, which is characterized by its thin section. The higher the number, the larger the bore and load capacity. The LLB suffix provides protection against dust and moisture, retaining the lifetime grease.

These bearings are used in a wide variety of industrial equipment in Argentina: low and medium power electric motors, centrifugal pumps, fans, small compressors, machine tools, conveyor belts and agricultural equipment. They are also found in household appliances and refrigeration equipment. Their double-lip seal makes them suitable for environments with moderate dust or moisture, where low maintenance and high reliability are required.

To select the right bearing, take into account the shaft diameter, radial and axial loads, rotation speed and environmental conditions. The LLB seal is suitable when there is a risk of contamination; if the environment is clean and lower friction is sought, an open or shielded variant may be considered. During mounting, ensure correct alignment between shaft and housing, avoid knocks on the rings and verify that the fit is correct. Lubrication is built in and does not require replenishment under normal conditions.

As for equivalents, deep groove ball bearings from equivalent series of other brands can be interchanged if dimensions and seal type match. For example, a bearing with the 2RS or DDU suffix is usually similar to LLB in terms of double lip, although tolerances and internal clearance may vary by manufacturer. It is always advisable to verify the technical specifications before replacing a part. If you have doubts, at MR Accesorios Industriales we will point you to the compatible alternative.

If you need an NTN EC-LLB series bearing, write to us on WhatsApp with the full part number or the measurements of your equipment. At MR Accesorios Industriales we will quote it promptly and advise you so that the replacement is the right one. We serve industries and workshops throughout the country from Buenos Aires, Argentina.