Selden 80mm cheek, roller bearing block 5500 lbs 408-201-07r

14mm-9/16" line max, 5500 lbs load, 11,000 lbs break, aluminum annodized sheave with torlon roller bearings and acetal ball bearings for side loads, machined annodized aluminum cheeks. All stainless parts are isolated from the aluminum to prevent corrosion. requires 3 M8 fasteners