NN4924MB Cylindrical Roller Bearing Specifications
Bore d (mm)
120
Outer D (mm)
165
Width B (mm)
45
Dynamic rating Cr (kN)
211
Static rating Cor (kN)
360
Grease limit speed (r/min)
5300
Oil limit speed (r/min)
6400
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST NN4924MB?
RUIST NN4924MB Cylindrical Roller Bearing: bore d = 120 mm, outer diameter D = 165 mm, width/height B = 45 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST NN4924MB carry?
Dynamic load rating Cr = 211 kN and static load rating Cor = 360 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST NN4924MB 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 NN4924MB replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 120 mm, OD 165 mm and width 45 mm match ISO dimensions, NN4924MB is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.