NU309EA Cylindrical Roller Bearing Specifications
Bore d (mm)
45
Outer D (mm)
100
Width B (mm)
25
Dynamic rating Cr (kN)
98
Static rating Cor (kN)
113.5
Grease limit speed (r/min)
7600
Oil limit speed (r/min)
7000
Frequently Asked Questions / FAQ
What are the exact dimensions of RAYSDE NU309EA?
RAYSDE NU309EA Cylindrical Roller Bearing: bore d = 45 mm, outer diameter D = 100 mm, width/height B = 25 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RAYSDE NU309EA carry?
Dynamic load rating Cr = 98 kN and static load rating Cor = 113.5 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RAYSDE NU309EA typically used?
Cylindrical Roller Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RAYSDE NU309EA replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 45 mm, OD 100 mm and width 25 mm match ISO dimensions, NU309EA is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.