HM71904E Angular Contact Ball Bearing Specifications
Bore d (mm)
20
Outer D (mm)
37
Width B (mm)
9
Dynamic rating Cr (kN)
4700
Static rating Cor (kN)
2500
Grease limit speed (r/min)
47000
Oil limit speed (r/min)
71400
Frequently Asked Questions / FAQ
What are the exact dimensions of RAYSDE HM71904E?
RAYSDE HM71904E 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 HM71904E carry?
Dynamic load rating Cr = 4700 kN and static load rating Cor = 2500 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RAYSDE HM71904E 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 HM71904E replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 20 mm, OD 37 mm and width 9 mm match ISO dimensions, HM71904E is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.