NNU4164F Bearing Specifications
Bore d (mm)
320
Outer D (mm)
540
Width B (mm)
218
Dynamic rating Cr (kN)
3690
Static rating Cor (kN)
—
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RAYSDE NNU4164F?
RAYSDE NNU4164F Bearing: bore d = 320 mm, outer diameter D = 540 mm, width/height B = 218 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RAYSDE NNU4164F carry?
Dynamic load rating Cr = 3690 kN and static load rating Cor = — kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RAYSDE NNU4164F typically used?
Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RAYSDE NNU4164F replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 320 mm, OD 540 mm and width 218 mm match ISO dimensions, NNU4164F is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.