NN3030MB Cylindrical Roller Bearing Specifications
Bore d (mm)
150
Outer D (mm)
225
Width B (mm)
56
Dynamic rating Cr (kN)
385
Static rating Cor (kN)
585
Grease limit speed (r/min)
4000
Oil limit speed (r/min)
4800
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST NN3030MB?
RUIST NN3030MB Cylindrical Roller Bearing: bore d = 150 mm, outer diameter D = 225 mm, width/height B = 56 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST NN3030MB carry?
Dynamic load rating Cr = 385 kN and static load rating Cor = 585 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST NN3030MB 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 NN3030MB replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 150 mm, OD 225 mm and width 56 mm match ISO dimensions, NN3030MB is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.