RUIST LM772748/LM772710 Tapered Roller Bearing: bore d = 488.95 mm, outer diameter D = 634.873 mm, width/height B = 84.138 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
Dynamic load rating Cr = 1590 kN and static load rating Cor = 3870 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 488.95 mm, OD 634.873 mm and width 84.138 mm match ISO dimensions, LM772748/LM772710 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.