Ruland Disc, 57.2mm Outside Diameter, 20 mm, 30 mm Bore, 78.2mm Length Flexible Coupling

The Ruland Electrically isolating clamp double disc coupling offers both precision and reliability for various mechanical applications. Designed with 30mm x 20mm bores, the coupling ensures zero-backlash performance and features a balanced architecture to minimize vibrations at high speeds. The innovative double disc design combines two anodized aluminum hubs with stainless steel disc springs and an acetal center spacer, allowing for flexibility in alignment. Lightweight yet robust, this coupling is suitable for speeds of up to 10,000 RPM, making it ideal for stepper servo applications prevalent in industries like semiconductor and printing. Crafted from premium materials sourced from North American mills and manufactured under stringent quality controls, this product meets RoHS3 and REACH compliance, ensuring environmental safety. The coupling’s thoughtful design provides not just functionality but also lasting performance.

Electrically isolating design to prevent current transfer
Zero-backlash performance for precise positioning
Balanced construction reduces vibrations at high operational speeds
Robust yet lightweight materials enhance handling and performance