NN4984 Cylindrical Roller Bearing Specifications
Bore d (mm)
420
Outer D (mm)
560
Width B (mm)
140
Dynamic rating Cr (kN)
2000
Static rating Cor (kN)
5150
Grease limit speed (r/min)
1200
Oil limit speed (r/min)
1500
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST NN4984?
RUIST NN4984 Cylindrical Roller Bearing: bore d = 420 mm, outer diameter D = 560 mm, width/height B = 140 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST NN4984 carry?
Dynamic load rating Cr = 2000 kN and static load rating Cor = 5150 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST NN4984 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 NN4984 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 420 mm, OD 560 mm and width 140 mm match ISO dimensions, NN4984 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.