6303 2RSJ EM Quality 17x47x14 Sealed C3 Japan Made Bearing

6303 2RSJ EM Nachi Ball Bearing
✔️ Made in Japan - C3 Sealed Electric Motor Bearing 17mm x 47mm x 14mm

The 6303 2RSJ EM is a premium deep groove ball bearing by Nachi, made in Japan for high-speed electric motor use. With double rubber seals and C3 clearance, it’s built for smooth, quiet performance and longer life in demanding machinery.

✅ Inner diameter: 17mm
✅ Outer diameter: 47mm
✅ Width: 14mm
✅ Rubber seals on both sides (2RS) for dust and grease protection
✅ Material: High-grade steel from Nachi
✅ Radial clearance: C3 for thermal expansion and speed
✅ Dynamic load rating: 13,600 N
✅ Static load rating: 6,550 N
✅ Max speed (grease): 11,000 RPM
✅ Nachi marking: 6303-2NSE
✅ Equal to: 6303 RS / 6303 2RS
✅ Pack size: 1 bearing

💡 Why choose Nachi EM ball bearings for electric motor performance?
They’re designed for long life, quiet operation, and tight precision.

• Made in Japan with electric motor-grade specs

• C3 clearance supports high-speed running with minimal heat buildup

• Double seals keep lubrication in and contaminants out

• Trusted in pumps, motors, HVAC systems, and more

If you're after clean, quiet, and powerful rotation, this Nachi bearing won’t let you down. Grab one and upgrade your motor the right way.