SKF 21311 EK/C3 cylindrical roller bearing

Product detailed description

SKF 21311 EK/C3 is a spherical roller bearing designed for applications that require high load capacity and the ability to compensate for misalignment. This bearing is manufactured by the renowned manufacturer SKF, which guarantees high quality and reliability.

The bearing has an inner diameter (d) of 55 mm, an outer diameter (D) of 120 mm and a width (B) of 29 mm. Its design includes a barrel-shaped rolling element shape, which allows it to effectively transmit both radial and axial loads. The bore profile is conical with a ratio of 1:12, which facilitates mounting on tapered shafts or using adapter sleeves.

The outer ring of the bearing is equipped with lubrication grooves and holes, which allow easy maintenance and prolonging the bearing life by regular lubrication. The bearing is made of high-quality steel, which guarantees resistance to wear and high temperatures, with a working temperature range of -30 °C to +200 °C.

The bearing is equipped with a steel cage, which ensures the stability of the rolling elements and reduces friction. SKF 21311 EK/C3 is without seals, which means that it is suitable for applications where external protection against dirt and moisture is provided.

The bearing clearance is marked as C3, which means that it has a slightly increased internal clearance. This feature is advantageous in applications with higher temperature fluctuations or at higher speeds, where it is necessary to compensate for material expansion.

SKF 21311 EK/C3 is ideal for use in industrial equipment such as gearboxes, pumps and compressors, where high reliability and long service life are required.