Spherical roller bearing 22311 MW33 MGK 55x120x43

Self-aligning bearing for heavy-duty industrial applications

W33 lubrication groove for extended service life

Reliable solution for bearing housings and bearing units

Main description

The 22311 MW33 MGK spherical roller bearing is a robust rolling bearing designed for demanding industrial applications where high load capacity, durability, and operational reliability are essential. With dimensions 55x120x43, this bearing is commonly used in machinery, gearboxes, drive systems, and equipment operating under heavy mechanical loads and continuous duty cycles.

Its spherical roller design provides self-aligning capability, allowing the bearing to compensate for shaft deflection and misalignment relative to the bearing housing. This is a key advantage over solutions such as a ball bearing, which require precise alignment and are less tolerant of installation inaccuracies. As a result, the 22311 MW33 MGK bearing maintains stable operation even in applications exposed to vibration, uneven loading, or structural deflection.

The MW33 designation indicates the presence of lubrication grooves and holes in the outer ring. This feature enables effective relubrication during operation, improving grease distribution and significantly increasing bearing service life. Proper lubrication directly contributes to high durability, reduced wear, and lower maintenance requirements, especially in harsh industrial environments.

The 22311 MW33 MGK spherical roller bearing can accommodate very high radial loads as well as substantial axial loads in both directions. It is frequently used as a critical component of a complete bearing unit in conveyors, processing equipment, agricultural machinery, and production lines. Its balanced design and proven performance make it a preferred choice for B2B customers seeking dependable and repeatable bearing solutions.

FAQ - frequently asked questions

What type of bearing is the 22311 MW33?
It is a self-aligning spherical roller bearing designed for heavy radial and axial loads.

What does MW33 mean in the bearing designation?
MW33 indicates lubrication grooves and holes in the outer ring for efficient relubrication.

Where are spherical roller bearings typically used?
In industrial machinery, gearboxes, conveyors, and applications with bearing housings.

Is this bearing suitable for continuous operation?
Yes, it is designed for long-term, continuous operation in demanding industrial conditions.

What are the advantages compared to a ball bearing?
Higher load capacity and the ability to compensate for misalignment.