71910EX Angular Contact Ball Bearing Specifications
Bore d (mm)
50
Outer D (mm)
72
Width B (mm)
12
Dynamic rating Cr (kN)
13000
Static rating Cor (kN)
12100
Grease limit speed (r/min)
19700
Oil limit speed (r/min)
30000
Frequently Asked Questions / FAQ
What are the exact dimensions of RAYSDE 71910EX?
RAYSDE 71910EX Angular Contact Ball Bearing: bore d = 50 mm, outer diameter D = 72 mm, width/height B = 12 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RAYSDE 71910EX carry?
Dynamic load rating Cr = 13000 kN and static load rating Cor = 12100 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RAYSDE 71910EX 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 71910EX replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 50 mm, OD 72 mm and width 12 mm match ISO dimensions, 71910EX is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.