Stainless Steel bearings are made from heat hardened 440C stainless stock. They are technically referred to as corrosion resistant after hardening. They will give excellent resistance to corrosion and last just as long as standars bearing steel as far as wear resistance.
3X6X2.5 Flanged Stainless Bearing ABEC-5 SMF63-ZZ
Availability: 63 in stock