NNU4928K Cylindrical Roller Bearing Specifications
Bore d (mm)
140
Outer D (mm)
190
Width B (mm)
50
Dynamic rating Cr (kN)
350
Static rating Cor (kN)
585
Grease limit speed (r/min)
2800
Oil limit speed (r/min)
3600
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST NNU4928K?
RUIST NNU4928K Cylindrical Roller Bearing: bore d = 140 mm, outer diameter D = 190 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 NNU4928K carry?
Dynamic load rating Cr = 350 kN and static load rating Cor = 585 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST NNU4928K 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 NNU4928K replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 140 mm, OD 190 mm and width 50 mm match ISO dimensions, NNU4928K is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.