Premium Heavy-Duty 21318 KMBW33 Brass Cage Spherical Roller Bearing

High-Strength Brass Cage
Precision-engineered with a durable brass cage for superior heat resistance and reduced friction, ensuring extended service life under heavy loads.
Double-Row Spherical Design
Self-aligning capability compensates for shaft misalignment, delivering smooth operation in high-vibration environments like construction and heavy machinery.
Optimized Lubrication System
Pre-lubricated with high-performance oil/grease, minimizing wear and maintenance downtime in industrial applications.
Rugged Industrial Performance
Ideal for mining, oilfield equipment, and conveyor systems, built to withstand extreme radial and axial loads.
Global Wholesale Advantage
Direct factory pricing with bulk discounts—lowest online rates guaranteed for distributors and OEMs.
Reliable Quality Assurance
Manufactured to ISO standards, ensuring precision fit and consistent performance in harsh operating conditions.