The 17BM2312 RICH is a compact needle roller bearing without inner ring, designed for applications where the shaft serves as the raceway. With dimensions of 17 mm bore, 23 mm outer diameter, and 12 mm width, it offers high radial load capacity in minimal space.
This bearing is supplied without cage, allowing for a full complement of needle rollers and maximum contact surface. Ideal for gearboxes, transmissions, and compact mechanical systems, it is interchangeable with OE references YAMAHA 93315-21721 and 93315-317U2, and manufactured under the RICH brand in China.
Transparency Note: This bearing is manufactured under the RICH brand. The code 17BM2312 and listed OE references are used solely for compatibility identification and do not imply any affiliation with YAMAHA or other brands. The product is clearly marked with its actual brand and country of origin.
Data sheet