NJ338EM Cylindrical Roller Bearing Specifications
Bore d (mm)
190
Outer D (mm)
400
Width B (mm)
78
Dynamic rating Cr (kN)
1300
Static rating Cor (kN)
1340
Grease limit speed (r/min)
1400
Oil limit speed (r/min)
1700
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST NJ338EM?
RUIST NJ338EM Cylindrical Roller Bearing: bore d = 190 mm, outer diameter D = 400 mm, width/height B = 78 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST NJ338EM carry?
Dynamic load rating Cr = 1300 kN and static load rating Cor = 1340 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST NJ338EM 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 NJ338EM replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 190 mm, OD 400 mm and width 78 mm match ISO dimensions, NJ338EM is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.