30232 7232E 30232JR Chrome Steel 160*290*52mm Single Row Cone and Cup Tapered Roller Bearings

Each bearing undergoes ultra-precision grinding of its raceways and rollers, achieving a surface roughness of Ra 0.15μm or lower—far exceeding the industry’s basic standard of Ra 0.4μm. This ultra-smooth finish minimizes rotational friction, reducing energy loss and cutting the equipment’s overall power consumption by 16-24% compared to standard bearings. Additionally, the low-friction design keeps operating temperatures in check (typically below 112°C during normal full-load use), preventing overheating that degrades lubricants (shortening their lifespan by 75-85%), damages seals, or warps adjacent components like shafts and housings. The smooth interaction between the cone, cup, and rollers also ensures ultra-quiet operation (noise level ≤ 36dB when measured 1m away), making the bearings suitable for noise-sensitive environments—such as industrial workshops with strict noise regulations (≤ 60dB) or luxury commercial vehicles (e.g., high-end long-haul buses, specialty transport trucks) where passenger comfort is non-negotiable.