NN4930MBKR Cylindrical Roller Bearing Specifications
Bore d (mm)
150
Outer D (mm)
210
Width B (mm)
60
Dynamic rating Cr (kN)
405
Static rating Cor (kN)
715
Grease limit speed (r/min)
4200
Oil limit speed (r/min)
5000
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST NN4930MBKR?
RUIST NN4930MBKR Cylindrical Roller Bearing: bore d = 150 mm, outer diameter D = 210 mm, width/height B = 60 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST NN4930MBKR carry?
Dynamic load rating Cr = 405 kN and static load rating Cor = 715 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST NN4930MBKR 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 NN4930MBKR replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 150 mm, OD 210 mm and width 60 mm match ISO dimensions, NN4930MBKR is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.