N256M Cylindrical Roller Bearing Specifications
Bore d (mm)
280
Outer D (mm)
500
Width B (mm)
80
Dynamic rating Cr (kN)
1410
Static rating Cor (kN)
1680
Grease limit speed (r/min)
1100
Oil limit speed (r/min)
1400
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST N256M?
RUIST N256M Cylindrical Roller Bearing: bore d = 280 mm, outer diameter D = 500 mm, width/height B = 80 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST N256M carry?
Dynamic load rating Cr = 1410 kN and static load rating Cor = 1680 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST N256M 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 N256M replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 280 mm, OD 500 mm and width 80 mm match ISO dimensions, N256M is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.