NUP308EM Cylindrical Roller Bearing Specifications
Bore d (mm)
40
Outer D (mm)
90
Width B (mm)
23
Dynamic rating Cr (kN)
102
Static rating Cor (kN)
81.5
Grease limit speed (r/min)
6700
Oil limit speed (r/min)
8000
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST NUP308EM?
RUIST NUP308EM Cylindrical Roller Bearing: bore d = 40 mm, outer diameter D = 90 mm, width/height B = 23 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST NUP308EM carry?
Dynamic load rating Cr = 102 kN and static load rating Cor = 81.5 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST NUP308EM 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 NUP308EM replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 40 mm, OD 90 mm and width 23 mm match ISO dimensions, NUP308EM is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.