Grey Cast Iron: Ensures strength and long-term durability.
Single Groove: Optimized for SPA profile belt drives.
Taper Bush Mounting: Provides secure fit and easy replacement.
Hub Design: Adds stability and precise shaft alignment.
Transparency Note: All specifications are taken directly from supplier-declared product data. The code RBT170SPA1 is clearly identified under the RICH brand, with origin in China. No assumptions or modifications are applied.