NJ2220ET7 Cylindrical Roller Bearing Specifications
Bore d (mm)
100
Outer D (mm)
180
Width B (mm)
46
Dynamic rating Cr (kN)
410
Static rating Cor (kN)
445
Grease limit speed (r/min)
3200
Oil limit speed (r/min)
3800
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST NJ2220ET7?
RUIST NJ2220ET7 Cylindrical Roller Bearing: bore d = 100 mm, outer diameter D = 180 mm, width/height B = 46 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST NJ2220ET7 carry?
Dynamic load rating Cr = 410 kN and static load rating Cor = 445 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST NJ2220ET7 typically used?
Cylindrical Roller Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RUIST NJ2220ET7 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 100 mm, OD 180 mm and width 46 mm match ISO dimensions, NJ2220ET7 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.