HM71921C Angular Contact Ball Bearing Specifications
Bore d (mm)
105
Outer D (mm)
145
Width B (mm)
20
Dynamic rating Cr (kN)
36800
Static rating Cor (kN)
37700
Grease limit speed (r/min)
12300
Oil limit speed (r/min)
18700
Frequently Asked Questions / FAQ
What are the exact dimensions of RAYSDE HM71921C?
RAYSDE HM71921C 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 HM71921C carry?
Dynamic load rating Cr = 36800 kN and static load rating Cor = 37700 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RAYSDE HM71921C 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 HM71921C replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 105 mm, OD 145 mm and width 20 mm match ISO dimensions, HM71921C is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.