NJ244EM Cylindrical Roller Bearing Specifications
Bore d (mm)
220
Outer D (mm)
400
Width B (mm)
65
Dynamic rating Cr (kN)
1110
Static rating Cor (kN)
1250
Grease limit speed (r/min)
1500
Oil limit speed (r/min)
1800
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST NJ244EM?
RUIST NJ244EM Cylindrical Roller Bearing: bore d = 220 mm, outer diameter D = 400 mm, width/height B = 65 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST NJ244EM carry?
Dynamic load rating Cr = 1110 kN and static load rating Cor = 1250 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST NJ244EM 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 NJ244EM replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 220 mm, OD 400 mm and width 65 mm match ISO dimensions, NJ244EM is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.