71811C Angular Contact Ball Bearing Specifications
Bore d (mm)
55
Outer D (mm)
72
Width B (mm)
9
Dynamic rating Cr (kN)
10500
Static rating Cor (kN)
14000
Grease limit speed (r/min)
17000
Oil limit speed (r/min)
26200
Frequently Asked Questions / FAQ
What are the exact dimensions of RAYSDE 71811C?
RAYSDE 71811C Angular Contact Ball Bearing: bore d = 55 mm, outer diameter D = 72 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 71811C carry?
Dynamic load rating Cr = 10500 kN and static load rating Cor = 14000 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RAYSDE 71811C 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 71811C replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 55 mm, OD 72 mm and width 9 mm match ISO dimensions, 71811C is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.