Double Row 2304-TN9 2304-M 2304-2RS-TVH 2304-2RS-TN 2305 2304 Self-aligning Ball Bearing The 2304 is a double-row self-aligning ball bearing engineered for automatic compensation of shaft misalignment and stable radial load bearing, widely used in textile machinery, ventilation equipment, agricultural machinery, and light industrial transmission systems. Model breakdown: "23" denotes the double-row self-aligning ball bearing series (optimized for adapting to slight shaft