1. Product Overview LM869448/10 inch single row tapered roller bearing, separable cone LM869448 + cup LM869410, dimension 431.8×571.5×74.612mm. Code Definition LM869448: Inner cone assembly with stamped steel cage and tapered rollers LM869410: Outer single cup ring Split cone and cup design enables separate installation and disassembly. 20° contact angle bears heavy mixed radial and unidirectional axial loads. High-density tapered rollers deliver stable performance under