NN3006ZTB Cylindrical Roller Bearing Specifications
Bore d (mm)
30
Outer D (mm)
55
Width B (mm)
19
Dynamic rating Cr (kN)
18.3
Static rating Cor (kN)
18.6
Grease limit speed (r/min)
21000
Oil limit speed (r/min)
27900
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST NN3006ZTB?
RUIST NN3006ZTB Cylindrical Roller Bearing: bore d = 30 mm, outer diameter D = 55 mm, width/height B = 19 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST NN3006ZTB carry?
Dynamic load rating Cr = 18.3 kN and static load rating Cor = 18.6 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST NN3006ZTB 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 NN3006ZTB replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 30 mm, OD 55 mm and width 19 mm match ISO dimensions, NN3006ZTB is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.