71921E Angular Contact Ball Bearing Specifications
Bore d (mm)
105
Outer D (mm)
145
Width B (mm)
20
Dynamic rating Cr (kN)
49000
Static rating Cor (kN)
55000
Grease limit speed (r/min)
8500
Oil limit speed (r/min)
13000
Frequently Asked Questions / FAQ
What are the exact dimensions of RAYSDE 71921E?
RAYSDE 71921E Angular Contact Ball Bearing: bore d = 105 mm, outer diameter D = 145 mm, width/height B = 20 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RAYSDE 71921E carry?
Dynamic load rating Cr = 49000 kN and static load rating Cor = 55000 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RAYSDE 71921E typically used?
Angular Contact Ball Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RAYSDE 71921E replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 105 mm, OD 145 mm and width 20 mm match ISO dimensions, 71921E is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.