232 Series Spherical Roller Bearings

The 232 Series Spherical Roller Bearings are heavy-duty double-row spherical roller bearings designed with an enlarged cross-section and extra-wide internal structure. Featuring thicker outer rings, larger and wider rollers, and a highly rigid overall design, this series is engineered for ultra-heavy load conditions, severe impact forces, and continuous full-load industrial operation.

Compared with other standard spherical roller bearing series, the 232 series delivers significantly higher structural rigidity and load-carrying capacity, making it one of the preferred solutions for the most demanding industrial environments.

The self-aligning spherical raceway design effectively compensates for shaft deflection, misalignment, and installation errors, ensuring stable and low-friction operation even under extreme working conditions.

BY Bearings offers the 232 series in multiple cage configurations, including CC stamped steel cages, E reinforced roller designs, and CA/MB machined solid brass cages, ensuring reliable performance in high-load and high-temperature applications.

Bearing Designation Example

23272 CAK/W33

• 232 – Series code

• 2: Double-row spherical roller bearing

• 32: Heavy-duty enlarged cross-section design

• 72 – Bore code

• Corresponds to a bore diameter of 360 mm

• CA – Heavy-duty machined solid brass cage

• E – Reinforced roller design for increased load capacity

• K – Tapered bore for adapter sleeve mounting

• W33 – Outer ring lubrication groove for centralized lubrication systems

Features and Benefits

• Maximum Structural Rigidity

  The 232 series features the thickest outer ring among bearings of the same bore size, ensuring exceptional rigidity and minimal deformation under extreme loads.

• Extremely High Load-Carrying Capacity

  Oversized rollers and optimized internal geometry provide top-tier dynamic and static load ratings, making the series suitable for continuous ultra-heavy-duty operation.

• Outstanding Impact Resistance

  Designed for harsh industrial environments, the 232 series withstands severe shock and vibration loads, particularly in crushing and grinding applications.

• Excellent Self-Aligning Performance

  The spherical raceway accommodates significant shaft deflection and eccentricity, ensuring smooth operation of large rotating equipment.

• Heavy-Duty Cage Design

  Most models use reinforced machined brass cages (CA/MB), providing high strength, thermal resistance, and long service life under extreme conditions.

• Reliable Lubrication System

  W33 lubrication grooves support centralized lubrication systems, ensuring consistent grease distribution during continuous operation.

Typical Applications

The 232 Series Spherical Roller Bearings are widely used in ultra-heavy industrial equipment, including:

• Cement rotary kiln support rollers

• Vertical coal mills

• Large mineral autogenous and semi-autogenous grinding mills

• Heavy metallurgical rolling mills

• Mining crushers and grinding systems

• Large calcining rotary furnaces

• Heavy-duty industrial transmission systems

• Bulk material processing machinery

Technical Advantages

• Extra-wide double-row spherical roller structure

• Thickened outer ring for maximum rigidity

• Very high radial and axial load capacity

• Excellent impact and vibration resistance

• Superior self-aligning capability for large deflection compensation

• Reinforced CA/MB brass cage options

• E-type reinforced roller configurations available

• W33 lubrication groove for centralized lubrication

• Designed for continuous heavy-load, low-speed operation

The 232 Series Spherical Roller Bearings deliver maximum strength, rigidity, and reliability for the most demanding heavy industrial applications where continuous operation under extreme loads is required.