NN3040MB Cylindrical Roller Bearing Specifications
Bore d (mm)
200
Outer D (mm)
310
Width B (mm)
82
Dynamic rating Cr (kN)
750
Static rating Cor (kN)
1170
Grease limit speed (r/min)
3000
Oil limit speed (r/min)
3600
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST NN3040MB?
RUIST NN3040MB Cylindrical Roller Bearing: bore d = 200 mm, outer diameter D = 310 mm, width/height B = 82 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST NN3040MB carry?
Dynamic load rating Cr = 750 kN and static load rating Cor = 1170 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST NN3040MB 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 NN3040MB replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 200 mm, OD 310 mm and width 82 mm match ISO dimensions, NN3040MB is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.