22228CAK Spherical Roller Bearing Specifications
Bore d (mm)
140
Outer D (mm)
250
Width B (mm)
68
Dynamic rating Cr (kN)
680
Static rating Cor (kN)
1000
Grease limit speed (r/min)
1700
Oil limit speed (r/min)
2200
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 22228CAK?
RUIST 22228CAK Spherical Roller Bearing: bore d = 140 mm, outer diameter D = 250 mm, width/height B = 68 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 22228CAK carry?
Dynamic load rating Cr = 680 kN and static load rating Cor = 1000 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 22228CAK typically used?
Spherical Roller Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RUIST 22228CAK replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 140 mm, OD 250 mm and width 68 mm match ISO dimensions, 22228CAK is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.