RUIST HM515749/HM515716 Tapered Roller Bearing: bore d = 79.375 mm, outer diameter D = 142.138 mm, width/height B = 44.45 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
Dynamic load rating Cr = 223 kN and static load rating Cor = 318 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 79.375 mm, OD 142.138 mm and width 44.45 mm match ISO dimensions, HM515749/HM515716 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.