22311C Spherical Roller Bearing Specifications
Bore d (mm)
55
Outer D (mm)
120
Width B (mm)
43
Dynamic rating Cr (kN)
257
Static rating Cor (kN)
266
Grease limit speed (r/min)
3200
Oil limit speed (r/min)
4000
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 22311C?
RUIST 22311C Spherical Roller Bearing: bore d = 55 mm, outer diameter D = 120 mm, width/height B = 43 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 22311C carry?
Dynamic load rating Cr = 257 kN and static load rating Cor = 266 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 22311C 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 22311C replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 55 mm, OD 120 mm and width 43 mm match ISO dimensions, 22311C is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.