Spherical Roller Bearing 238/850CAW33C3｜QIBR Heavy-Duty Bearing for Large Industrial Equipment
1.Product Overview
The QIBR 238/850CAW33C3 spherical roller bearing is a large-size, heavy-duty bearing designed for demanding applications with high impact loads, continuous operation, elevated temperatures, and potential misalignment.
Featuring a reinforced CA brass cage and W33 lubrication groove with oil holes, this spherical roller bearing delivers stable performance, long service life, and reliable lubrication in harsh working conditions.
2. Key Features
CA Brass Cage (CA Design)
Machined brass cage with high strength and excellent wear resistance
Stable roller guidance under heavy and shock loads
Enhanced durability and operational reliability
High Load Capacity
Double-row spherical roller design
Optimized roller profile and raceway structure
Supports extremely high radial and axial loads, ideal for large industrial machinery
Excellent Self-Aligning Performance
Automatically compensates for minor angular misalignment (1–2°)
Reduces stress from installation errors or shaft deflection
Ensures smooth operation in applications with vibration or uneven load distribution
W33 Lubrication Groove + Oil Holes
Supports centralized and on-line lubrication systems
Ensures consistent oil film formation under heavy loads
Reduces temperature rise and prolongs bearing life
C3 Internal Clearance
Suitable for applications with high operating temperatures
Prevents clearance reduction caused by thermal expansion
Minimizes friction and ensures stable running at all times
3.Applications
The 238/850CAW33C3 spherical roller bearing is ideal for equipment requiring high load capacity, continuous operation, and tolerance for misalignment, such as:
Metallurgical machinery (rolling mills, continuous casting machines)
Mining crushers and vibrating screens
Large industrial fans and blowers
Marine and port lifting equipment
Cement rotary equipment
Paper-making machines
Heavy-duty transmission systems
4.Why Choose QIBR 238/850CAW33C3
Extremely high load capacity
Strong self-aligning performance
Stable clearance under high temperatures
Efficient lubrication with reduced heat generation
Ideal for long-term continuous operation
Lower maintenance costs & higher machine uptime