RUIST 2558/2524YD Tapered Roller Bearing: bore d = 30.162 mm, outer diameter D = 69.85 mm, width/height B = 57 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
Dynamic load rating Cr = 135 kN and static load rating Cor = 35 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 30.162 mm, OD 69.85 mm and width 57 mm match ISO dimensions, 2558/2524YD is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.