NF228W Cylindrical Roller Bearing Specifications
Bore d (mm)
140
Outer D (mm)
250
Width B (mm)
42
Dynamic rating Cr (kN)
365
Static rating Cor (kN)
375
Grease limit speed (r/min)
2000
Oil limit speed (r/min)
2400
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST NF228W?
RUIST NF228W Cylindrical Roller Bearing: bore d = 140 mm, outer diameter D = 250 mm, width/height B = 42 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST NF228W carry?
Dynamic load rating Cr = 365 kN and static load rating Cor = 375 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST NF228W 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 NF228W replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 140 mm, OD 250 mm and width 42 mm match ISO dimensions, NF228W is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.