RUIST 659/653 Tapered Roller Bearing: bore d = 76.2 mm, outer diameter D = 146.05 mm, width/height B = 41.275 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
Dynamic load rating Cr = 229 kN and static load rating Cor = 335 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 76.2 mm, OD 146.05 mm and width 41.275 mm match ISO dimensions, 659/653 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.