Raceway Function: Raceway surface configured for needle roller distribution.
Structural Layout: Modular inner ring layout for independent raceway integration.
Surface Integrity: Ground raceway with controlled surface finish.
Material Type: High-carbon bearing steel.
Dimensional Interface: Dimensions align with the 40 × 45 × 30 mm specification.
Dimensional Category: standard-format
Transparency Note: This inner ring is manufactured under the RICH brand. Dimensional values are provided solely for identification and do not imply affiliation with or endorsement by other manufacturers.