... but depending on the application, machined synthetic resin cages or molded polyamide resin cages are also used.Angular Contact ... or high speed applications, and machined brass or synthetic resin cages or molded polyamide cages are used.The ... Ball Material:GCr15(52100, 100Cr6)Cage Materials:steel,brass,synthetic resin,polyamideBore Diameters:10mm - 200mmApplications:Aircraft, construction, agriculture, ...