Ruland Manufacturing 3G-OTH-135571 — Technical Specifications

The RULAND MANUFACTURING BC21-5-5-A is a clamp-on bellows shaft coupling for round shafts, featuring a 5/16 in bore diameter on both ends (same bore dimensions). Constructed with stainless steel bellows and an aluminum hub, this inch-series motion control coupling is designed for precision positioning applications requiring zero backlash.