NU307EM Cylindrical Roller Bearing Specifications
Bore d (mm)
35
Outer D (mm)
80
Width B (mm)
21
Dynamic rating Cr (kN)
82
Static rating Cor (kN)
65.5
Grease limit speed (r/min)
7500
Oil limit speed (r/min)
9500
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST NU307EM?
RUIST NU307EM Cylindrical Roller Bearing: bore d = 35 mm, outer diameter D = 80 mm, width/height B = 21 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST NU307EM carry?
Dynamic load rating Cr = 82 kN and static load rating Cor = 65.5 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST NU307EM 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 NU307EM replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 35 mm, OD 80 mm and width 21 mm match ISO dimensions, NU307EM is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.