NTN Tapered Roller Bearing 25580

Description

This NTN tapered roller bearing 25580 is a high-quality, universally recognized component designed for high-speed trailer axle applications. It features a 1.750″ inner diameter and requires the corresponding 25520 race (sold separately). The bearing is highly versatile: it functions as the inner bearing for 5.2K to 8K axles with #42 spindles, and as the outer bearing for Dexter 9K to 10K general duty axles with #99 spindles. This design ensures reliable, durable performance across various heavy-duty trailer setups.