NN4934MBKR Cylindrical Roller Bearing Specifications
Bore d (mm)
170
Outer D (mm)
230
Width B (mm)
60
Dynamic rating Cr (kN)
435
Static rating Cor (kN)
805
Grease limit speed (r/min)
3800
Oil limit speed (r/min)
4500
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST NN4934MBKR?
RUIST NN4934MBKR Cylindrical Roller Bearing: bore d = 170 mm, outer diameter D = 230 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 NN4934MBKR carry?
Dynamic load rating Cr = 435 kN and static load rating Cor = 805 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST NN4934MBKR 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 NN4934MBKR replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 170 mm, OD 230 mm and width 60 mm match ISO dimensions, NN4934MBKR is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.