Features of Traveling Block 1)Built to API Spec 8C, authorized to use the official API monogram 2)Side board is thick steel plate and heavy enough to keep wireline tight during lifting and lowering providing easy spooling and no-load lowering of the hook for longer wireline service life 3)Sheave groove subject to intermediate frequency quenching for better case hardness and longer wireline service life 4)Sheaves are all equipped with bi-pyramidal roller bearings with unique lubrication passages to each bearing 5)Heavy-duty wireline guard 6)High strength wireline elevating bails 7)Sheave and bearing are interchangeable with those of mated crown blockModel YC90 YC135 YC170 YC225 YC315 YC450 YC585 Max. hook loadkN 900 1350 1700 2250 3150 4500 5850 OD of sheavemm (in) 762(30) 915(36) 915(36) 1120(44) 1270(50) 1524(60) 1524(60) Qty. of sheaves 4 4 5 5 6 6 7 Dia. Of wirelinemm (in) 26(1) 26(1) 29(1 1/8) 32(1 1/4) 35(1 3/8) 38(1 1/2) 42(1 5/8) Dimension (L×W ×H)mm 1500×806×533 1800×960×610 2100×960×630 2294×1190×630 2680×1350×974 3075×1600×800 3100×1600×965 Weightkg 1810 2200 3010 3805 6842 8135 9600
