23256D Spherical Roller Bearing Specifications
Bore d (mm)
280
Outer D (mm)
500
Width B (mm)
176
Dynamic rating Cr (kN)
176
Static rating Cor (kN)
5
Grease limit speed (r/min)
2650
Oil limit speed (r/min)
4400
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 23256D?
RUIST 23256D Spherical Roller Bearing: bore d = 280 mm, outer diameter D = 500 mm, width/height B = 176 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 23256D carry?
Dynamic load rating Cr = 176 kN and static load rating Cor = 5 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 23256D typically used?
Spherical Roller Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RUIST 23256D replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 280 mm, OD 500 mm and width 176 mm match ISO dimensions, 23256D is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.