71964AC Angular Contact Ball Bearing Specifications
Bore d (mm)
320
Outer D (mm)
440
Width B (mm)
56
Dynamic rating Cr (kN)
340
Static rating Cor (kN)
580
Grease limit speed (r/min)
940
Oil limit speed (r/min)
1400
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 71964AC?
RUIST 71964AC Angular Contact Ball Bearing: bore d = 320 mm, outer diameter D = 440 mm, width/height B = 56 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 71964AC carry?
Dynamic load rating Cr = 340 kN and static load rating Cor = 580 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 71964AC 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 RUIST 71964AC replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 320 mm, OD 440 mm and width 56 mm match ISO dimensions, 71964AC is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.