18590Q Tapered Roller Bearing Specifications
Bore d (mm)
41.275
Outer D (mm)
—
Width B (mm)
17.463
Dynamic rating Cr (kN)
46.8
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 18590Q?
RAYSDE 18590Q Tapered Roller Bearing: bore d = 41.275 mm, outer diameter D = — mm, width/height B = 17.463 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RAYSDE 18590Q carry?
Dynamic load rating Cr = 46.8 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 18590Q typically used?
Tapered Roller Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RAYSDE 18590Q replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 41.275 mm, OD — mm and width 17.463 mm match ISO dimensions, 18590Q is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.