NNU4930K Cylindrical Roller Bearing Specifications
Bore d (mm)
150
Outer D (mm)
210
Width B (mm)
60
Dynamic rating Cr (kN)
435
Static rating Cor (kN)
715
Grease limit speed (r/min)
2600
Oil limit speed (r/min)
3200
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST NNU4930K?
RUIST NNU4930K 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 NNU4930K carry?
Dynamic load rating Cr = 435 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 NNU4930K 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 NNU4930K replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 150 mm, OD 210 mm and width 60 mm match ISO dimensions, NNU4930K is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.