NN4992K Cylindrical Roller Bearing Specifications
Bore d (mm)
460
Outer D (mm)
620
Width B (mm)
160
Dynamic rating Cr (kN)
2400
Static rating Cor (kN)
6200
Grease limit speed (r/min)
1100
Oil limit speed (r/min)
1300
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST NN4992K?
RUIST NN4992K Cylindrical Roller Bearing: bore d = 460 mm, outer diameter D = 620 mm, width/height B = 160 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST NN4992K carry?
Dynamic load rating Cr = 2400 kN and static load rating Cor = 6200 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST NN4992K 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 NN4992K replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 460 mm, OD 620 mm and width 160 mm match ISO dimensions, NN4992K is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.