N221W Cylindrical Roller Bearing Specifications
Bore d (mm)
105
Outer D (mm)
190
Width B (mm)
36
Dynamic rating Cr (kN)
247
Static rating Cor (kN)
241
Grease limit speed (r/min)
2600
Oil limit speed (r/min)
3200
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST N221W?
RUIST N221W Cylindrical Roller Bearing: bore d = 105 mm, outer diameter D = 190 mm, width/height B = 36 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST N221W carry?
Dynamic load rating Cr = 247 kN and static load rating Cor = 241 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST N221W 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 N221W replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 105 mm, OD 190 mm and width 36 mm match ISO dimensions, N221W is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.