RUIST H239640/H239612CD Tapered Roller Bearing: bore d = 177.8 mm, outer diameter D = 320.675 mm, width/height B = 138.112 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
Dynamic load rating Cr = 1790 kN and static load rating Cor = 464 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 177.8 mm, OD 320.675 mm and width 138.112 mm match ISO dimensions, H239640/H239612CD is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.