7 sheaves mud pump travelling block

{"cid":"91198593","title":"YC50 Drilling Rig Mud Pump Travelling Block With 7 Sheaves","imgUrl":"https:\/\/img.chinax.com\/nimg\/51\/42\/685c17cf7330be63b9637b934ff1-200x200-1.jpg","attrs":{"Model Number":"YC50,YC135,YC170,YC225,YC315,YC450,YC585,YC675,YC900","Delivery Time":"45 work days","Place of Origin":"China","Payment Terms":"T\/T, L\/C","Packaging Details":"Wooden box","Max. hook load kN (1bs)":"500 (110000)~9000 (2000000)","Dia. of wire line mm(in)":"24 (15\/16) ~ 48 (1 7\/8)","Number of sheaves":"4~7","O.D. of sheaves mm":"500~1829"}}

{"cid":"91192082","title":"Mud pump Bearings, Timken bearing, FAG bearing, SKF bearing, RBC bearing, Pump bearing, pump mud, Honghua","imgUrl":"https:\/\/img.chinax.com\/nimg\/f5\/c6\/e46d415fadb0238a322a93ddfce8-200x200-1.jpg","attrs":{"Price":"150 usd","Brand Name":"Timken, FAG, SKF, RBC","Model Number":"Timken, FAG, SKF, RBC","Minimum Order Quantity":"1 piece","Delivery Time":"In Stock","Place of Origin":"China","Payment Terms":"T\/T, L\/C, D\/A, D\/P, T\/T, Western Union","Supply Ability":"30000 per month","Certification":"ISO","Packaging Details":"Suitable to shipment by sea and air","Material":"Bearing steel","Brand":"SKF","Number of row":"Single Row","Precision rating":"P0 P6 P5 P4 P2,P6","Seals type":"Open","Type":"Ball,yoyo type u groove ball bearing,Deep Groove Ball Bearing","Structure":"Deep Groove","Bore size":"40 - 40.001 mm,6 - 90 mm,24.99 - 25 mm","Outside diameter":"51.99 - 52 mm,40 mm","Product name":"deep groove ball bearing,HRC hardness Si3N4 Black ceramic skateboard bearing","Service":"OEM Customized Services,Prompt Delivery,OEM","Application":"Machinery,plastics machinery industry,electric motor","Feature":"Long Life,Low Noise. Long Life.High speed,low noise,High Speed","Cage":"Steel Cage,Nylon Cage","Package":"Original Package","Sample":"Avaliable","Lubrication":"Grease","Vibration":"V1 V2 V3 V4","Size":"6.35*12.7*4.762mm","Quality":"high quality and long life cycle,European Standard,ISO Standard"}}