21308EAKE4 Spherical Roller Bearing Specifications
Bore d (mm)
40
Outer D (mm)
90
Width B (mm)
23
Dynamic rating Cr (kN)
118
Static rating Cor (kN)
111
Grease limit speed (r/min)
6000
Oil limit speed (r/min)
7500
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 21308EAKE4?
RUIST 21308EAKE4 Spherical Roller Bearing: bore d = 40 mm, outer diameter D = 90 mm, width/height B = 23 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 21308EAKE4 carry?
Dynamic load rating Cr = 118 kN and static load rating Cor = 111 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 21308EAKE4 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 21308EAKE4 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 40 mm, OD 90 mm and width 23 mm match ISO dimensions, 21308EAKE4 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.