NNU4156M/W33 Bearing Specifications
Bore d (mm)
280
Outer D (mm)
460
Width B (mm)
180
Dynamic rating Cr (kN)
2550
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 NNU4156M/W33?
RAYSDE NNU4156M/W33 Bearing: bore d = 280 mm, outer diameter D = 460 mm, width/height B = 180 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RAYSDE NNU4156M/W33 carry?
Dynamic load rating Cr = 2550 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 NNU4156M/W33 typically used?
Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RAYSDE NNU4156M/W33 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 280 mm, OD 460 mm and width 180 mm match ISO dimensions, NNU4156M/W33 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.