RUIST 495AS/493DC Tapered Roller Bearing: bore d = 77.788 mm, outer diameter D = 136.525 mm, width/height B = 53.975 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
Dynamic load rating Cr = 249 kN and static load rating Cor = 64.6 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Tapered Roller Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Yes. Because bore 77.788 mm, OD 136.525 mm and width 53.975 mm match ISO dimensions, 495AS/493DC is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.