Boston Gear XFCBB20 Bost-Bronz Coupling Insert

OVERVIEW

• Oil-Resistant Synthetic Rubber is recommended where quietness is desired, particularly at motor speeds
• Polyurethane is recommended where moderate to heavy shock loads are encountered
• Oil-Impregnated Bost-Bronze is recommended for high torque loads, particularly at slower speeds

Boston Gear Bost-Bronz spider insert for FC20 and SSFC20