


Nachi
NJ204 Nachi Cylindrical Bearing 20x47x14mm - Steel Cage - Japan Made
UPC: 00193019086667
Type: Nachi Cylindrical Roller Bearing
Cage: Steel Cage
Dimensions: 20mm x 47mm x 14mm/Metric
ID (inner diameter)/Bore: 20mm
NJ204 Nachi Cylindrical Roller Bearing - Made in Japan
✔️ 20mm x 47mm x 14mm - Steel Cage - High Radial Load Capacity
The NJ204 Nachi cylindrical roller bearing is precision-engineered in Japan for high-speed and high-load radial applications. Featuring a pressed steel cage and a removable inner ring, this bearing offers excellent performance in gearboxes, machine tool spindles, and industrial drives.
✅ Inner diameter (ID): 20mm
✅ Outer diameter (OD): 47mm
✅ Width: 14mm
✅ Bearing type: NJ-series cylindrical roller
✅ Cage: Pressed steel
✅ Material: High-grade chrome steel
✅ Dynamic load rating (Cr): 15,400 N
✅ Static load rating (Cor): 12,700 N
✅ Max grease speed: 15,000 RPM
✅ Max oil speed: 18,000 RPM
✅ Quantity: 1 bearing
✅ Country of origin: Made in Japan
✅ Brand: Nachi
💡 What makes NJ-type cylindrical roller bearings ideal for high-speed rotation?
NJ-type bearings support high radial loads with minimal friction thanks to line contact between rollers and raceways. Their removable inner ring also allows easy mounting and dismounting, making them perfect for precision rotating shafts and high-speed applications.
When precision matters and durability counts - equip your system with this premium Nachi NJ204 bearing and feel the difference in every turn!