... application synchronously.1.Features Of BF1 Clamp Type Flexible coupling with curved Jaw: * Coupling assembled by pressing a polyurethane sleeve into ... hollow shaft can be defined by user; Standard hole: Φ 4, Φ 5, Φ 6, Φ 6.35, Φ 8, Φ 10, Φ 12, Φ 15, Φ 20, Φ 25, Φ 30mm * Torque <35 ... ELECTRICAL CO.LTD Clamp Type Flexible Coupling ,Coupling ,Encoder coupling With Curved Jaw 6 Pieces ,BF1 Series (IBEST)