6218N Deep Groove Ball Bearing Specifications
Bore d (mm)
90
Outer D (mm)
160
Width B (mm)
30
Dynamic rating Cr (kN)
97
Static rating Cor (kN)
72
Grease limit speed (r/min)
3800
Oil limit speed (r/min)
4500
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 6218N?
RUIST 6218N Deep Groove Ball Bearing: bore d = 90 mm, outer diameter D = 160 mm, width/height B = 30 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 6218N carry?
Dynamic load rating Cr = 97 kN and static load rating Cor = 72 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 6218N typically used?
Deep Groove Ball Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RUIST 6218N replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 90 mm, OD 160 mm and width 30 mm match ISO dimensions, 6218N is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.