NN3028K Cylindrical Roller Bearing Specifications
Bore d (mm)
140
Outer D (mm)
210
Width B (mm)
53
Dynamic rating Cr (kN)
365
Static rating Cor (kN)
515
Grease limit speed (r/min)
2800
Oil limit speed (r/min)
3400
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST NN3028K?
RUIST NN3028K Cylindrical Roller Bearing: bore d = 140 mm, outer diameter D = 210 mm, width/height B = 53 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST NN3028K carry?
Dynamic load rating Cr = 365 kN and static load rating Cor = 515 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST NN3028K 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 NN3028K replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 140 mm, OD 210 mm and width 53 mm match ISO dimensions, NN3028K is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.