Structural Layout: Needle roller assembly including an inner ring component.
Internal Geometry: Needle rollers guided by a polyamide cage.
Material Type: High‑carbon chrome bearing steel rolling elements.
Dimensional Format: 25 × 39 × 20 mm configuration.
Transparency Note: This bearing is manufactured under the RICH brand. Any OE or interchangeable references, if present, are provided solely for identification and do not imply affiliation with other manufacturers.