71911C Angular Contact Ball Bearing Specifications
Bore d (mm)
55
Outer D (mm)
80
Width B (mm)
13
Dynamic rating Cr (kN)
19300
Static rating Cor (kN)
18000
Grease limit speed (r/min)
17500
Oil limit speed (r/min)
26300
Frequently Asked Questions / FAQ
What are the exact dimensions of RAYSDE 71911C?
RAYSDE 71911C Angular Contact Ball Bearing: bore d = 55 mm, outer diameter D = 80 mm, width/height B = 13 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RAYSDE 71911C carry?
Dynamic load rating Cr = 19300 kN and static load rating Cor = 18000 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RAYSDE 71911C 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 71911C replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 55 mm, OD 80 mm and width 13 mm match ISO dimensions, 71911C is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.