NN3018 Cylindrical Roller Bearing Specifications
Bore d (mm)
90
Outer D (mm)
140
Width B (mm)
37
Dynamic rating Cr (kN)
176
Static rating Cor (kN)
228
Grease limit speed (r/min)
4300
Oil limit speed (r/min)
5000
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST NN3018?
RUIST NN3018 Cylindrical Roller Bearing: bore d = 90 mm, outer diameter D = 140 mm, width/height B = 37 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST NN3018 carry?
Dynamic load rating Cr = 176 kN and static load rating Cor = 228 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST NN3018 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 NN3018 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 90 mm, OD 140 mm and width 37 mm match ISO dimensions, NN3018 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.