RS4921E4 Cylindrical Roller Bearing Specifications
Bore d (mm)
105
Outer D (mm)
145
Width B (mm)
40
Dynamic rating Cr (kN)
245
Static rating Cor (kN)
420
Grease limit speed (r/min)
950
Oil limit speed (r/min)
1900
Frequently Asked Questions / FAQ
What are the exact dimensions of RAYSDE RS4921E4?
RAYSDE RS4921E4 Cylindrical Roller Bearing: bore d = 105 mm, outer diameter D = 145 mm, width/height B = 40 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RAYSDE RS4921E4 carry?
Dynamic load rating Cr = 245 kN and static load rating Cor = 420 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RAYSDE RS4921E4 typically used?
Cylindrical Roller Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RAYSDE RS4921E4 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 105 mm, OD 145 mm and width 40 mm match ISO dimensions, RS4921E4 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.