The ST4090 RICH is a precision-engineered single row tapered roller bearing designed to support combined radial and axial loads. With dimensions of 40 mm bore, 90 mm outer diameter, and 25.25 mm total width, it is ideal for automotive applications including wheel hubs and transmission systems.
Its tapered geometry ensures optimal load distribution and alignment. The outer ring width of 16 mm and inner ring width of 23 mm provide secure fit and stability. Manufactured in China under the RICH brand, this bearing is interchangeable with OE references TOYOTA 90366-60008 and 90366-40059, offering a reliable alternative to original components.
Transparency Note: This bearing is manufactured under the RICH brand. The code ST4090 and listed OE references are used solely for compatibility identification and do not imply any affiliation with TOYOTA or other brands. The product is clearly marked with its actual brand and country of origin.
Data sheet