22311 EK/C3

The 22311 EK/C3 spherical roller bearing is engineered for heavy-duty industrial environments where managing substantial radial and axial loads is critical. Featuring a 55mm bore, 120mm outside diameter, and 43mm width, this double-row bearing utilizes a tapered 1:12 bore (K) design, making it ideal for mounting with adapter or withdrawal sleeves. Its self-aligning capability is a standout feature, allowing the unit to compensate for shaft deflections and initial misalignment without increasing friction or operating temperatures. This ensures consistent performance in demanding machinery such as vibratory screens, conveyors, and heavy-duty gearboxes.

Built to the SKF Explorer performance class, the 22311 EK/C3 incorporates an optimized internal geometry and a robust steel cage to maximize service life. The C3 radial internal clearance provides the necessary "extra room" for thermal expansion, preventing premature seizure during high-speed operations or in high-heat applications reaching up to 200°C. For simplified maintenance, the outer ring is equipped with a standard lubrication groove and three holes (W33 feature), facilitating efficient relubrication. Whether you are replacing an OEM part or upgrading your system, this bearing delivers the fatigue resistance and precision required to minimize downtime in the field.

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