2304 Self Aligning Ball Bearing 20x52x21mm

2304 self-aligning ball bearing
✔️ 20mm x 52mm x 21mm spherical raceway double-row design

This single 2304 self-aligning ball bearing is built to handle shaft misalignment and mounting variations. With its spherical outer raceway, it allows the inner ring and balls to self-adjust for smooth motion, perfect for applications like conveyors, fans, and agricultural or industrial machinery.

✅ Size: 20mm inner diameter x 52mm outer diameter x 21mm width
✅ Type: double-row self-aligning ball bearing
✅ Dynamic load rating: 18,500 N
✅ Static load rating: 4,700 N
✅ Limiting speed (grease): 11,000 RPM
✅ Limiting speed (oil): 14,000 RPM
✅ Pack size: one bearing

💡 Why choose a self-aligning bearing for machinery with shaft deflection?
The spherical raceway design compensates for misalignment while maintaining smooth rotation.
- Reduces stress on shafts and housings
- Improves bearing life in flexible or uneven mounts
- Works great in applications with minor angular errors

A durable, forgiving bearing that keeps your setup running smooth, even when alignment isn’t perfect.