iso 4 6 grade orthogonal gear

{"cid":"91220287","title":"Orthogonal Grinding Gear with ISO 4-6 Grade Accuracy and HRC 58-62 Hardness for 90\u00b0 Intersecting Shaft Applications","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/8c\/fb\/8db7302e70974fc6b61c54e9b68e-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"DINGSCO","Model Number":"According to customers' requests","Minimum Order Quantity":"Negotiable","Delivery Time":"(Sample order) 7 days","Certification":"ISO 9001","Place of Origin":"Changsha, China","Payment Terms":"T\/T","Supply Ability":"Negotiable","Packaging Details":"According to customers' requests","Material":"20CrMnTi,20NiCrMo","Shape":"Spiral Bevel Gear \/ Hypoid Gear","Type":"Gleason","Teeth Accuracy Grade":"ISO 4-6 Grade","Heat treatment":"Quenching \/ surface carburizing \/ nitriding","Surface Hardness":"HRC 58\u201362","Service Life":"20,000\u201350,000 hours","Transmission Efficiency":"90%\u201396%","Input Speed":"1500\u20133000 rpm"}}