OPF series, single web block, sheave Ø 140, SWL 7000 kg Manufacturer part #:01409 Technical Description Features American Metric Ø sheave (D) 5.51 in 140 mm Side bearing Delrin balls Delrin balls Radial bearing composite fibre composite fibre Weight 2.4 lbs 1,08 kg Ø max line 0.79 in 20 mm SWL 15432.4 lbs 7000 kg Material Aluminum Aluminum Sheave material Aluminum Aluminum