NN3928MB Cylindrical Roller Bearing Specifications
Bore d (mm)
140
Outer D (mm)
190
Width B (mm)
37
Dynamic rating Cr (kN)
232
Static rating Cor (kN)
375
Grease limit speed (r/min)
4600
Oil limit speed (r/min)
5500
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST NN3928MB?
RUIST NN3928MB Cylindrical Roller Bearing: bore d = 140 mm, outer diameter D = 190 mm, width/height B = 37 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST NN3928MB carry?
Dynamic load rating Cr = 232 kN and static load rating Cor = 375 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST NN3928MB 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 NN3928MB replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 140 mm, OD 190 mm and width 37 mm match ISO dimensions, NN3928MB is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.