Enduro ACB 4545 1125T SS - 1-1/8" stainless steel, Angular Contact Headset Bearing (Copy)

ACB 4545 4252 SS - 1-1/2 440C stainless steel Angular Contact Headset bearing (42mm x 52mm x 7mm; 45 x 45deg) - Angular-contact headset bearing featuring 440C stainless steel balls and races for superior corrosion protection. This size bearing has been used as an upper bearing for Acros headsets that are designed specifically for aero cable routing, and is also know by part numbers AC4252 and ACB4252H7 Not all stainless steel is created equal.Enduro only uses 440C stainless steel balls and races to provide long life and superior corrosion resistance in applications and environments that may be less than ideal. 440C has the highest strength, hardness, and wear resistance of all the standard 440-series stainless alloys with high carbon content. As expected, it is also the most expensive of the 440 series alloys and requires multiple rounds of heat treatment and cryogenic treatments to achieve its superior mechanical properties. Though stainless steel has 20% less load capacity and is s