NN3018ZTBKR Cylindrical Roller Bearing Specifications
Bore d (mm)
90
Outer D (mm)
140
Width B (mm)
37
Dynamic rating Cr (kN)
97.5
Static rating Cor (kN)
114
Grease limit speed (r/min)
7800
Oil limit speed (r/min)
10300
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST NN3018ZTBKR?
RUIST NN3018ZTBKR 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 NN3018ZTBKR carry?
Dynamic load rating Cr = 97.5 kN and static load rating Cor = 114 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST NN3018ZTBKR 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 NN3018ZTBKR replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 90 mm, OD 140 mm and width 37 mm match ISO dimensions, NN3018ZTBKR is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.