Description Manufacturer part #:991.154/S Technical Description Features American Metric Length (L) 8.86 in 225 mm Ø sheave (D) 5.91 in 150 mm Side bearing Delrin balls Delrin balls Radial bearing composite fibre composite fibre Ø max line 0.79 in 20 mm SWL 8818.5 lbs 4000 kg Material S.steel S.steel Sheave material Aluminum Aluminum Webbing (N. x width) 0.16x2.05 in 4 x 52 mm