NN3038MB Cylindrical Roller Bearing Specifications
Bore d (mm)
190
Outer D (mm)
290
Width B (mm)
75
Dynamic rating Cr (kN)
685
Static rating Cor (kN)
1080
Grease limit speed (r/min)
3200
Oil limit speed (r/min)
3800
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST NN3038MB?
RUIST NN3038MB Cylindrical Roller Bearing: bore d = 190 mm, outer diameter D = 290 mm, width/height B = 75 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST NN3038MB carry?
Dynamic load rating Cr = 685 kN and static load rating Cor = 1080 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST NN3038MB 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 NN3038MB replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 190 mm, OD 290 mm and width 75 mm match ISO dimensions, NN3038MB is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.