6304 Nachi Bearing Open C3 Japan 20x52x15mm

6304 Nachi deep groove ball bearing made in Japan
✔️ C3 clearance bearing 20x52x15 mm high speed rated

This single 6304 Nachi deep groove ball bearing is made in Japan and built for smooth, reliable rotation in motors and general machinery. With C3 radial clearance, it’s a handy choice for applications that run warm or fast and need room for thermal expansion.

✅ Inner diameter: 20 mm
✅ Outer diameter: 52 mm
✅ Width: 15 mm
✅ Deep groove ball bearing design
✅ Radial clearance: C3
✅ Dynamic load rating Cr: 15,900 N
✅ Static load rating Cor: 7,900 N
✅ Grease speed rating: 14,000 RPM
✅ Oil speed rating: 17,000 RPM
✅ Made in Japan
✅ Pack size: one bearing

Dimensions
ID: 20 mm
OD: 52 mm
Width: 15 mm

💡 Why are C3 deep groove ball bearings commonly used in electric motors and high speed equipment?
C3 clearance bearings are designed to stay smooth when heat and speed come into play.

• Extra internal clearance allows for thermal expansion during operation

• Deep groove geometry supports radial loads with light axial capability

• High speed ratings make them a solid fit for motors and rotating machinery

Use this bearing when you want trusted Japanese quality, smooth rotation, and performance that holds up under real working conditions.