Raceway Function: Raceway geometry designed for needle roller alignment.
Structural Layout: Independent ring structure for modular bearing systems.
Surface Integrity: Ground internal surface with controlled hardness.
Material Type: High-strength chrome bearing steel.
Dimensional Interface: Dimensional characteristics reflect the 45 × 52 × 40 mm structure.
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.