



6311ZZE Nachi Bearing Shielded C3 Japan 55x120x29mm
UPC: 00193019102398
Type: Nachi Deep groove Ball Bearing
Closures: Double shielded with Metal shields Z/ZZ/2Z
Radial Clearance: C3
Dimensions: 55mm x 120mm x 29mm/Metric
6311ZZE Nachi Shielded Ball Bearing - Made in Japan
✔️ 55mm ID - 120mm OD - 29mm Wide - C3 Clearance
The Nachi 6311ZZE is a premium deep groove ball bearing engineered for high performance, quiet operation, and long life. With precision-machined rings and balls, double metal shields, and C3 clearance, it’s perfect for electric motors, pumps, conveyors, and demanding industrial equipment.
✅ Type: Deep groove ball bearing
✅ Inner diameter: 55mm
✅ Outer diameter: 120mm
✅ Width: 29mm
✅ Closures: Double metal shields (ZZ)
✅ Clearance: C3 (for higher speed and thermal expansion)
✅ Material: High-precision chrome steel
✅ Lubrication: Pre-lubricated with high-performance grease
✅ Dynamic load rating (Cr): 71,500 N
✅ Static load rating (Cor): 44,500 N
✅ Max speed (grease): 5,800 RPM
✅ Quantity: 1 bearing
✅ Country of origin: Made in Japan
✅ Cross references: 6311 ZZ, 6311 2Z
💡 Why choose the Nachi 6311ZZE over standard shielded bearings?
Nachi’s shield design improves grease retention and contaminant protection while reducing vibration and noise. The precision-matched components and C3 clearance make it ideal for high-speed, high-load applications where durability and smooth operation matter most.
Upgrade to the strength of Japanese engineering - grab the Nachi 6311ZZE and keep your machinery running quietly, cleanly, and powerfully!