RUIST 71956AC Angular Contact Ball Bearing: bore d = 280 mm, outer diameter D = 380 mm, width/height B = 46 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
Dynamic load rating Cr = 268 kN and static load rating Cor = 405 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Angular Contact Ball Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Yes. Because bore 280 mm, OD 380 mm and width 46 mm match ISO dimensions, 71956AC is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.