spiral conical gear for metro

{"cid":"91212205","title":"17CrNiMo6 Alloy Steel Spiral Conical Gear Measuring Work For Metro Applicaiton","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/54\/3d\/ca9ec4ab48502b271121cf713816-200x200-1.jpg","attrs":{"Price":"$300\/ Piece","Brand Name":"YIZGEAR","Model Number":"SB22123105","Minimum Order Quantity":"2 Sets","Delivery Time":"62 Days","Place of Origin":"CHINA","Payment Terms":"T\/T, L\/C","Supply Ability":"500 Sets\/Month","Packaging Details":"Plywood Crate","Type":"Spiral Bevel Gear","Application":"Merto","Material":"17CrNiMo6","Tooth Number":"21\/43T","Method":"Gear Grinding","Working Angle":"90\u00b0"}}

{"cid":"91220287","title":"21\/28 Teeth Small Module Precision Spiral Bevel Gears Arc Bevel Gear","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/c1\/72\/674ebe1ef777ee7d87bcffa3fb4e-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"DINGSCO","Minimum Order Quantity":"Negotiable","Delivery Time":"Sample order: 7 days","Certification":"ISO9001","Place of Origin":"Changsha, China","Payment Terms":"T\/T","Supply Ability":"Negotiable","Packaging Details":"According to customer's requirement","Material":"20CrMnTi\/20CrMo\/20CrNiMo\/18CrNiMo\/38CrMoAl\/42CrMo\/40Cr\/45#\/PA66\/416\/410\/304......","Shape":"Spiral bevel gear","Tooth profile":"Gleason type","Processing":"Milling, gear hobbing","Surface treatment":"Quenching","Teeth":"21\/28","Application":"Power transmission systems in machinery, vehicles, ships","Gear Position":"External Gear","Teeth Accuracy Grade":"ISO 5-8 Grade","Helical angle":"35","Axis angle":"90","Module(M)":"1.1"}}