ACB 3645 3344 SS - 1-1/8 440C Stainless, Angular Contact Headset Bearing (33x44x5.5-36/45) TH-873 Six and SX that do

Six and SX that do not require oil seals

Enduro angular Contact (A/C) bearings engage all of the bearing's balls to spread the force over a larger surface area

Static load - 488lbf / 2

While every other ceramic bearing rolls best the day you install it and then declines

All of our bearings are always engineered and manufactured for maximum life

ACB 3645 3344 SS - 1-1/8 440C Stainless, Angular Contact Headset Bearing (33x44x5.5-36/45) TH-873 Six and SX that doACB 3645 3344 SS 1 1 8 440C stainless steel Angular Contact Headset Bearing (33mm x 44mm x 6mm: 36 x 45 deg) Angular contact headset bearing featuring 440C stainless steel balls and races for superior corrosion protection. This size bearing is also known in the bike Industry by these part numbers: ACB3344H6 AC3344 Not all stainless steel is created equal. Enduro only uses 440C stainless steel balls and races to provide long life and superior corrosion