1218K Self-Aligning Ball Bearing Specifications
Bore d (mm)
90
Outer D (mm)
160
Width B (mm)
30
Dynamic rating Cr (kN)
23.4
Static rating Cor (kN)
3800
Grease limit speed (r/min)
4500
Oil limit speed (r/min)
1218
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 1218K?
RUIST 1218K Self-Aligning 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 1218K carry?
Dynamic load rating Cr = 23.4 kN and static load rating Cor = 3800 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 1218K typically used?
Self-Aligning Ball Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RUIST 1218K replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 90 mm, OD 160 mm and width 30 mm match ISO dimensions, 1218K is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.