7 inch zero backlash slew drive

{"cid":"91202609","title":"7 Inch Hourglass Worm Zero Backlash Slew Drive For Parabolic Trough Solar Power Station","imgUrl":"https:\/\/img.chinax.com\/nimg\/2f\/a1\/288249bf04217b2c40851bd3c829-200x200-1.jpg","attrs":{"Price":"USD 280~504 \/ pc","Brand Name":"HangTuo","Model Number":"7 inch","Minimum Order Quantity":"1 piece","Delivery Time":"15~45 days","Certification":"CE, ISO9001","Place of Origin":"China","Payment Terms":"L\/C, T\/T, Western Union","Supply Ability":"2000 pcs per month","Packaging Details":"plywood box","Material":"50Mn, 42CrMo","Model":"Worm Gear 7 Inch","Gear Ratio":"31:1","Efficiency":"40%","Precise":"\uff1c0.1 degree","Driver":"Electric\/Hydraulic\/Servo","Color":"Silver Grey","Place Of Origin":"Changzhou, China"}}

{"cid":"91190273","title":"7 Inch Hourglass Worm Zero Backlash Slew Drive For Parabolic Trough","imgUrl":"https:\/\/img.chinax.com\/nimg\/dd\/8a\/581bce1074c793a1ca60611a5ec8-200x200-1.jpg","attrs":{"Price":"USD 280~504 \/ pc","Brand Name":"HangTuo","Model Number":"7 inch","Minimum Order Quantity":"1 piece","Delivery Time":"15~45 days","Certification":"CE, ISO9001","Place of Origin":"China","Payment Terms":"L\/C, T\/T, Western Union","Supply Ability":"2000 pcs per month","Packaging Details":"plywood box","Material":"50Mn, 42CrMo","Model":"Worm Gear 7 Inch","Gear Ratio":"31:1","Efficiency":"40%","Precise":"\uff1c0.1 degree","Driver":"Electric\/Hydraulic\/Servo","Color":"Silver Grey","Place Of Origin":"Changzhou, China"}}

{"cid":"91212550","title":"FHT-11 Harmonic Drive Bearing | for HD-11 Reducer | Crossed Roller Slewing | Zero Backlash | High Rigidity | Sample Available","imgUrl":"https:\/\/img.chinax.com\/nimg\/9e\/59\/bad4486b6be0805b506f306910ad-200x200-1.jpg","attrs":{"Price":"USD 50\/ PC","Brand Name":"GQZ or OEM","Model Number":"FHT","Minimum Order Quantity":"1","Certification":"ISO9001","Place of Origin":"China","Payment Terms":"T\/T,Western Union","Supply Ability":"1000PCS\/WEEK","Packaging Details":"Export packaging","Product name":"Harmonic Drive Bearing","Model":"FHT-11","Precision":"P4","Package":"cartons, plywood case","Application":"Industrial Robot Service Robots Printed Circuit Manufacturing Metal Machine Tools Equipment Wood, Light Metal, Plastic Machine Tools","Precsion Level":"High precision","Speed ratio":"50,100","Rated torque at 2000 rpm":"3.5,5N","Permissible peak torque during start-stop operation":"8.3N,11N","Maximum permissible value for average load torque":"5.5N,8.9N","Instantaneous maximum permissible torque":"17N,25N","Maximum permissible input speed (for grease lubrication)":"8500RPM","Permissible average input speed (grease lubrication)":"3500RPM","Backlash":"\u226430","Weight":"FHT-I:0.27","Design life":"10000H"}}