71904E Angular Contact Ball Bearing Specifications
Bore d (mm)
20
Outer D (mm)
37
Width B (mm)
9
Dynamic rating Cr (kN)
6800
Static rating Cor (kN)
4200
Grease limit speed (r/min)
36900
Oil limit speed (r/min)
56300
Frequently Asked Questions / FAQ
What are the exact dimensions of RAYSDE 71904E?
RAYSDE 71904E Angular Contact Ball Bearing: bore d = 20 mm, outer diameter D = 37 mm, width/height B = 9 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RAYSDE 71904E carry?
Dynamic load rating Cr = 6800 kN and static load rating Cor = 4200 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RAYSDE 71904E 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 71904E replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 20 mm, OD 37 mm and width 9 mm match ISO dimensions, 71904E is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.