21313CA Spherical Roller Bearing Specifications
Bore d (mm)
65
Outer D (mm)
140
Width B (mm)
33
Dynamic rating Cr (kN)
224
Static rating Cor (kN)
257
Grease limit speed (r/min)
2800
Oil limit speed (r/min)
3600
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 21313CA?
RUIST 21313CA Spherical Roller Bearing: bore d = 65 mm, outer diameter D = 140 mm, width/height B = 33 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 21313CA carry?
Dynamic load rating Cr = 224 kN and static load rating Cor = 257 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 21313CA 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 21313CA replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 65 mm, OD 140 mm and width 33 mm match ISO dimensions, 21313CA is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.