NN3021TB Cylindrical Roller Bearing Specifications
Bore d (mm)
105
Outer D (mm)
160
Width B (mm)
41
Dynamic rating Cr (kN)
228
Static rating Cor (kN)
320
Grease limit speed (r/min)
6500
Oil limit speed (r/min)
7600
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST NN3021TB?
RUIST NN3021TB Cylindrical Roller Bearing: bore d = 105 mm, outer diameter D = 160 mm, width/height B = 41 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST NN3021TB carry?
Dynamic load rating Cr = 228 kN and static load rating Cor = 320 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST NN3021TB 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 NN3021TB replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 105 mm, OD 160 mm and width 41 mm match ISO dimensions, NN3021TB is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.