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45 x 45 degree "ACB" measures: 30.5mm ID x 41.8mm OD x 6.42mm W
440C stainless steel balls and races 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. Dual lip sealing system.
Replaces the UPPER Headset Bearing in the following ORBEA frames:
Rallon Occam Oiz Alma Laufey Bearing is also known as: MR042 870E MR121 MR070 MR084 MR116 TH-870E MH-P08
BEARINGS SOLD INDIVIDUALLY
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