RUIST LM102949/LM102911 Tapered Roller Bearing: bore d = 45.242 mm, outer diameter D = 73.431 mm, width/height B = 21.43 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
Dynamic load rating Cr = 56.9 kN and static load rating Cor = 81.8 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 45.242 mm, OD 73.431 mm and width 21.43 mm match ISO dimensions, LM102949/LM102911 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.