6306 YA1 C4 RICH | Single Row Deep Groove Ball Bearing – 30 x 72 x 19 mm
OE References:
Technical Specifications:
- Catalog Code: 6306 YA1 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 applications requiring additional thermal expansion.
- Open design allowing free lubrication flow and reduced friction in controlled environments.
- Steel cage ensuring durability and stable ball guidance under dynamic loads.
- OEM‑compatible replacement for Yamaha assemblies using reference 93306‑30630.
Transparency Note: This bearing is manufactured under the RICH brand. The code 6306 YA1 C4 and the OE reference listed are used solely for identification and do not imply affiliation with other manufacturers.
