Nachi
6203-2NSE Nachi Bearing Premium 17x40x12 mm Sealed C3 - Japan Made
6203-2NSE Nachi Sealed Ball Bearing
✔️ 17mm ID - 40mm OD - 12mm Width
The 6203-2NSE is a premium C3-rated deep groove ball bearing from Nachi, made in Japan for smooth, high-speed operation. With double rubber seals and advanced sealing technology, this bearing offers quiet performance, long life, and excellent protection against dust and moisture.
✅ Pack size: 1 bearing
✅ Size: 17mm x 40mm x 12mm
✅ Type: Nachi deep groove ball bearing
✅ Material: Precision chrome steel
✅ Radial clearance: C3 (looser fit for higher RPM)
✅ Seals: Double rubber seals (RS/RS1/2RS1)
✅ Lubrication: Pre-filled with high-performance grease
✅ Dynamic load rating: 9,550 N
✅ Static load rating: 4,800 N
✅ Max speed (grease): 12,000 RPM
✅ Country of origin: Japan
✅ Cross-reference: 6203 RS, 6203 2RS
💡 Why are premium sealed bearings like 6203-2NSE ideal for high-speed use?
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C3 clearance allows for thermal expansion and higher RPM capacity.
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Double-sealed design offers top-notch grease retention and dust protection.
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Japanese manufacturing ensures tighter tolerances and ultra-smooth operation.
A top-tier bearing trusted by engineers and pros worldwide - perfect for motors, tools, and equipment demanding consistent, quiet performance.