NN4926MB Cylindrical Roller Bearing Specifications
Bore d (mm)
130
Outer D (mm)
180
Width B (mm)
50
Dynamic rating Cr (kN)
315
Static rating Cor (kN)
545
Grease limit speed (r/min)
4900
Oil limit speed (r/min)
5900
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST NN4926MB?
RUIST NN4926MB Cylindrical Roller Bearing: bore d = 130 mm, outer diameter D = 180 mm, width/height B = 50 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST NN4926MB carry?
Dynamic load rating Cr = 315 kN and static load rating Cor = 545 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST NN4926MB 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 NN4926MB replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 130 mm, OD 180 mm and width 50 mm match ISO dimensions, NN4926MB is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.