RUIST 32311 Tapered Roller Bearing: bore d = 55 mm, outer diameter D = 120 mm, width/height B = 45.5 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
Dynamic load rating Cr = 245 kN and static load rating Cor = — 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 55 mm, OD 120 mm and width 45.5 mm match ISO dimensions, 32311 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.