66584/66520 Tapered Roller Bearing Specifications
Bore d (mm)
53.975
Outer D (mm)
122.238
Width B (mm)
33.338
Dynamic rating Cr (kN)
166
Static rating Cor (kN)
156
Grease limit speed (r/min)
3000
Oil limit speed (r/min)
4000
Frequently Asked Questions / FAQ
What are the exact dimensions of RAYSDE 66584/66520?
RAYSDE 66584/66520 Tapered Roller Bearing: bore d = 53.975 mm, outer diameter D = 122.238 mm, width/height B = 33.338 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RAYSDE 66584/66520 carry?
Dynamic load rating Cr = 166 kN and static load rating Cor = 156 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RAYSDE 66584/66520 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 66584/66520 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 53.975 mm, OD 122.238 mm and width 33.338 mm match ISO dimensions, 66584/66520 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.