21308EW Spherical Roller Bearing Specifications
Bore d (mm)
40
Outer D (mm)
90
Width B (mm)
23
Dynamic rating Cr (kN)
107
Static rating Cor (kN)
—
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RAYSDE 21308EW?
RAYSDE 21308EW 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 RAYSDE 21308EW carry?
Dynamic load rating Cr = 107 kN and static load rating Cor = — kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RAYSDE 21308EW typically used?
Spherical Roller Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RAYSDE 21308EW replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 40 mm, OD 90 mm and width 23 mm match ISO dimensions, 21308EW is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.