6306YA1-9 C4 RICH | Single Row Deep Groove Ball Bearing – 30 x 72 x 19 mm
OE References:
Technical Specifications:
- Catalog Code: 6306YA1-9 C4 RICH
- Brand: RICH
- Type: Single row deep groove ball bearing
- Bore Diameter (d): 30 mm
- Outer Diameter (D): 72 mm
- Width (B): 19 mm
- Cage: Steel
- Clearance: C4 – greater than C3
- Sealing: None (open type)
- Weight: 0.361 kg
- Country of Origin: China
Key Performance Advantages:
- C4 internal clearance ideal for high‑speed or high‑temperature environments requiring additional thermal expansion.
- Open design allowing free lubrication flow and reduced friction in controlled applications.
- Steel cage ensuring durability and stable ball guidance under dynamic loads.
- OEM‑compatible replacement for Yamaha assemblies using reference 93306‑30611.
Transparency Note: This bearing is manufactured under the RICH brand. The code 6306YA1-9 C4 and the OE reference listed are used solely for identification and do not imply affiliation with other manufacturers.
