61811-ZZ RICH Single row deep groove ball bearing – 55 × 72 × 9 mm (ZZ, CN clearance)
Technical Specifications:
- Type: Single row deep groove ball bearing
- Brand: RICH
- Model Designation: 61811-ZZ RICH
- Inner Diameter (d): 55 mm
- Outer Diameter (D): 72 mm
- Width (B): 9 mm
- Cage Material: Steel
- Clearance: Normal internal clearance (CN)
- Sealing: Double-sided non-contact metal shields (ZZ)
- Dimensional Category: standard-format
- Country of Origin: China
Performance Characteristics:
- Load Arrangement: Maintains radial load performance with defined axial interaction.
- Internal Geometry: Deep-groove raceway proportions ensuring consistent rotational behavior.
- Structural Layout: Steel cage arrangement maintaining stable rolling element orientation.
- Operating Profile: Configured for predictable behavior within standard machine layouts.
61811-ZZ (55 × 72 × 9 mm) — corresponds to the proportional tendencies typical of the standard-format size group.
Transparency Note: This bearing is manufactured under the RICH brand. Any OE or interchangeable references, where mentioned, are used solely for identification and do not imply affiliation with other manufacturers.