NN3992 Cylindrical Roller Bearing Specifications
Bore d (mm)
460
Outer D (mm)
620
Width B (mm)
118
Dynamic rating Cr (kN)
1610
Static rating Cor (kN)
3700
Grease limit speed (r/min)
1100
Oil limit speed (r/min)
1300
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST NN3992?
RUIST NN3992 Cylindrical Roller Bearing: bore d = 460 mm, outer diameter D = 620 mm, width/height B = 118 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST NN3992 carry?
Dynamic load rating Cr = 1610 kN and static load rating Cor = 3700 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST NN3992 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 NN3992 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 460 mm, OD 620 mm and width 118 mm match ISO dimensions, NN3992 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.