Description:
the inner cone is grinded by a high-speed inner hole grinder and tested by a standard pneumatic measuring instrument; the big end contact area rate is above 90%.
Feature:
-190°C long cryogenic, nearly all of the residual austenite into martensite;
LoNg stereotyped thermal limitation removal of grinding residual stress.
ER nuts optional GER nuts.
When ordering, please specify the coolant form: Form A, Form AD, Form AD+B.
Other type, can be produced according to order













Optional packing box